5K, 10K, Half & Full Marathons

Feeling lucky? Celebrate St.Patrick’s Day a week early with this cereal-themed 5k. Finishers receive a Lucky Charm medal, t-shirt, and enjoy an afterparty with entertainment and vendors. Those more experienced runners can do the “Lucky Double,” both the 5 and 10k to earn a special edition medal and shirt.

Start off St. Paddy’s Day with this run, the fastest 5k in Colorado Springs. Runners are encouraged to wear a kilt to get into the spirit, just hope that it brings a little extra luck. The course starts and ends in Acacia Park.

Dress in green and come out to celebrate St. Patrick’s Day with this 5k. Both runners and walkers are welcomed, and get a free celebratory beer when finished (21 and older), as well a free pancake breakfast. Look out for the leprechaun with a golden kettle bell for a chance to win $100.

Finish the final race in a four-part Vail Winter Snow Series, with this St. Patrick’s Day themed 5k. The event starts at 4 p.m., and takes place on the Vail Nordic Center trails. Prizes are given to the top three women and top three men in the event, with raffles and other fun post-race.

Finishers of this St. Patrick’s Day themed event receive a t-shirt, with medals awards to the top racers. Prizes are awarded to the best Irish costume, so come dressed with the holiday spirit. Runners and walkers are both welcomed. Celebrate after the race at Rookies for happy hour, with the whole family welcomed.

Enjoy scenic views through Strawberry Park and the streets of downtown Steamboat Springs. Prizes are given to the top three men and women overall, with the after party held O'Neils Tavern & Grill for free authentic Irish food and beer for those 21 and older. This event is stroller and dog friendly.

Enjoy the day for the Irish and aim for a PR with this flat and fast 5k. Dress up in costume to join the others in painting the streets green. Participants receive a t-shirt and an Odell beer. Then celebrate at the DBA's St. Patrick's Day Parade afterwards.

Run along Arvada’s Blunn Reservoir via the Ralston Creek Trail at this 5k. With plenty of aid stations including water and electrolytes, this event is filled with perks like a finisher medal, awards for overall and age divisions, free race pictures at the finish line and on the course, souvenir race bibs and more swag. Plus, everyone who registers has a chance to win 100 free races.

There is no better way to cure a hangover than by running, and then drinking some more. This 5k takes place along the platte river trail along the water and greenery. When finished, grab fuel from the food trucks and register for the Beer Olympics games. Stroller and dogs are welcomed, and kids under 12 run for free.

This 5k race starts at 9 a.m. at Westminster Promenade Terrace. Runners need to bring their own water bottle, but there is water and post-race snacks. Awards are given to the top 3 men and women overall as well as the top in each age group. Stroller and dogs are welcomed, and the after party is at LODO's Bar and Grill.

This is the sixth installment in this series. The race starts at 9 a.m. at Highland Heritage Regional Park. Runners need to bring their own water bottle, but there is water and post-race snacks. Awards are given to the top 3 men and women overall as well as the top in each age group.

This is one egg-cellent event. Not only of runners get to race in this 5k, but they also can enjoy free yoga 30-minutes before, and a egg hunt during the course for a chance to win prizes. When it’s over prizes are awarded to the top runners. Then check out the vendors and let the kids take pictures with the Easter Bunny after getting their face painted.

Hop into spring with this half marathon. Starting at 8 a.m. in Central Park, this is the launch event for the 2018 Stapleton Run Series that concluded in September. Finishers receive a medal, along with awards for overall male and female winners, and age divisions.

Run for a good cause, raising funds and awareness for Alagille Syndrome, and most importantly for the memory of Troy Kenneth Merkle. 100 percent of the money raised foes to the American Transplant Foundation and the America Liver Foundation. This run/walk takes place in PromenadeTerrace Park, and is stroller and dog friendly.

Celebrate Easter Sunday with this morning run. Located at The Imagine Classical Academy, and takes place rain or shine, and all finishers get a finisher’s medal, t-shirt, race pictures and other goodies. There is also the option to sign up as the Slow Bunny, the last finisher meant to be slow who still gets all the perks.

Run to support those at the Pueblo District 70 high school. Proceeds of this race help provide scholarships to the high school seniors in honor of Baylon Michael Meyer. The 5k starts at 9 a.m. at Hahns Peak Avenue, and there is even a virtual run/walk option.

This is a race on a much smaller scale, meaning less crowds and a more private setting. The coordinator hand-times the run and sets up the course. Participants receive a finisher’s awards, t-shirt, and cap, and the race packet is mailed to the runner’s house so no pick up is required. The 5k starts at 10:30 a.m., and there is also a 2 p.m. afternoon and 6 p.m. evening wave.

Enjoy the 5k and then celebrate the love for beer at this event. It takes place on Nation Beer Day, wit proceeds going to the The Left Hand Brewing Foundation to help serve the community. It is a flat and fast course, and there is an award to the Best Dressed. There are lots of other raffles and prices to be won, with post-race drinks provided by Left Hand Brewing, Shoes & Brews,SKA, High Brew Coffee, Old Mine Cidery, Big Thompson, Verboten Brewing, Tivoli, Grossen Bart and Peppod Margaritas.

First run, then enjoy beer at the new brewery in the Highlands. The course talks runners and walkers nearby each brewery where they then celebrate with drinks and live music. This is a much more relaxed event where timing isn’t that important.

This race starts and finished at Spring Canyon Park, where strollers and dogs are welcomed. This event benefits the Family Support Services Program for the nonprofit organization Foothills Gateway, Inc that provides services for those with cognitive disabilities. The course is certified and is a pre-qualifier for the Bolder Boulder. there is even a free “Piglet Walk” for little ones under 10.

Wear purple at this 5k that serves as a fundraiser for those suffering from pancreatic cancer. The event is complete free, with donations encouraged. There is no awards, and no headphones, strollers or dogs allowed in the race.

With a start time of 8:45 a.m , this 5k consists of a course that features concrete trails and some dirt roads. Awards re given to the top three men and women, as well as for age groups. Afterwards celebrate with a free beer at Kline’s Beer Hall.

This is a fan favorite race series held Tuesday nights during April and May. The race starts at 6:30 p.m. at Boulder Reservoir, and serves as a great way to prepare for the Bolder Boulder. This is a family friendly environment that welcomes all levels of runners. Celebrate after with post-race dinner.

Run the Big Dry Creek Trail, with views of Stanley Lake during this flat and fast 5k. All finishers get a medal, was well as a post race breakfast. Awards are given to the top runners overall and in age divisions.

With a start time of 8 a.m., this 5k starts and ends at Trinidad Lake State Park. It serves as a fundraiser for the Primero National Honor Society. There is the option to walk or run, and the first 20 participants get a t-shirt.

In this inaugural 5k, runners are races to spread awareness for healthy teeth. This even takes place at Sloan’s Lake Park at 9 a.m., and is chip timed. Even walkers are welcomed, and those who register in advance get a t-shirt.

This 5k fun run and walk is all about honoring Victims’ Rights Week , spreading awareness about the many hurdles and obstacles victims face when getting justice for crimes committed against them. It also serves as a way to celebrate these who protect and give guidance to crime victims. The 5k takes place at Monument Valley Park.

This 5k celebrate the local community of Loveland, in particular early childhood development. The event takes place on the trails around the Lakes at Centerra and participants get a long sleeve shirt, with awards give to the top overall and age group. There is a post-race party and beer garden.

This 5k serves as a fundraiser to help those recovering from addiction. Run, walk or have kids to the Kids Fun Run at this family friendly event. It takes place around Windsor Lake and all participants get a t-shirt, with prizes awarded to the top finishers.

This 5k run or walk is held to support and spread awareness those with intellectual and development disorders. Participants as young as 4 can take part, as well as beginners and more advanced runners. It is a fully accessible course so wheelchairs are also welcomed.

This is one fun 5k, with post-race beer in the Leinenkugel Beer Garden, a costume contest, entertainment and vendors. Things get kicked off with a Children Diaper Dash at 10:15 a.m. in the Kids’ Fun Zone, and then participants take off for the 5k run or walk that takes them down Cherry Creek Drive and past the Denver Country Club.

This 5k is ran on a challenging course through the Ken Caryl Valley where all runners, walkers and even strollers are welcomed. Awards are given tot the top overall male and female racers, as well as the top two males and females in each age group. All participants get a tech shirt, and commemorative glass.

Run along the Platte River throughout the Mary Carter Greenway during this 5k with some great views. It features live music along the way, is a timed run, and celebrate after with a post-race party hosted by Half Penny Brewery in the Beer Garden.

This is a fan favorite race series held Tuesday nights during April and May. The race starts at 6:30 p.m. at Boulder Reservoir, and serves as a great way to prepare for the Bolder Boulder. This is a family friendly environment that welcomes all levels of runners. Celebrate after with post-race dinner.

This 5k consist of a flat and fast course that is chip timed and includes lots of perks. This includes a race shirt, finisher medal and of course, donuts. There are free professional photos and a great afterparty.

Held for the first time this year, this 5k welcomes runners and walkers to help bring awareness to the positive impact the Girls Scout Troop 4274 has on the community. Enjoy the workout, plus entertainment afterwards.

This is a great race for both beginner, intermediate and competitive runners. The course includes dirt trails and concrete paths around Standley Lake. There is 1 aid station for runners, with with start time of 8:25 a.m. There is awards given to the top runners.

This is a 5k race that benefits the American Brain Tumor Association. This is a great way to engage others in efforts and supporting a good cause while sticking to a fit lifestyle. Held at Cheesman Park, this is a SUTAF certified course, and walkers are welcomed.

With a start time of 7:45 a.m., this 5k includes scenic and historic views in the Grand Valley. This includes running along the Colorado River and the town of Palisade past the blooming orchards. Finisher get a medal and there are special rewards for the top 3 men and women overall finishers.

This is a popular race, wit many coming out to celebrate the Cañon City Music and Blossom Festival. This 5k takes place along the Arkansas Riverwalk in this historic city, and there are custom medals awarded to the top three racers in age groups.

This is one great race, the course including a tour around the Garden of the Gods surrounded by the infamous red rocks. There is an awards ceremony post-race, with food and beverages served as well.

This 5k is all about spreading awareness and raising money for Multiple Sclerosis. It takes place at Denver City Park, with an 8 a.m. start time. Participants can run or walk, or walk virtually.

Not ready for a full marathon, but want to take part of this race with some distance? Sign up for the 5k. Celebrate after with live music and locally brewed beers in Old Town Square.

This race is all about supporting those who are coming back strong after suffering from a stroke. The goal is to raise awareness and finds for this cause. The 5k takes place in Hudson Gardens at 8 a.m.

Participate with this race organized by bRUNch Running club that enjoys running, eating brunch, and drinking amount friends. This timed race is a great way to be active, and then enjoy a good meal from Just Be Kitchen that is 100% gluten-free.

Held at Columbine High School, this is the 13th year this race is held. All proceeds go to the Frank DeAngelis Columbine High School Academic Foundation , which helps current and future students of the school by providing them with technology to enhance learning, as well as to the Columbine Memorial Foundation and to Craig Rehabilitation Hospital. The course itself id paved, timed, and a Bolder Boulder qualifier.

Starting at Hine Lake, this is a great even to participate with the entire family. It is stroller friendly, so bring along the kids to run or walk. There is award for the best dressed, so come in your best costume. This is a great way to celebrate the start of spring, with proceeds going to the Rocky Mountain Children’s Health Foundation – PSL NICU and to the Primrose Children’s Foundation – Save the Children.

First run, then enjoy beer at the new brewery in the Highlands. The course talks runners and walkers nearby each brewery where they then celebrate with drinks and live music. This is a much more relaxed event where timing isn’t that important. Enjoy a free craft beer and hang out with family and friends after completing the race.

This is a fan favorite race series held Tuesday nights during April and May. The race starts at 6:30 p.m. at Boulder Reservoir, and serves as a great way to prepare for the Bolder Boulder. This is a family friendly environment that welcomes all levels of runners. Celebrate after with post-race dinner.

First run, then enjoy beer at the new brewery in the Highlands. The course talks runners and walkers nearby each brewery where they then celebrate with drinks and live music. This is a much more relaxed event where timing isn’t that important. Enjoy a free craft beer and hang out with family and friends after completing the race.

Enjoy a post-race pancake breakfast and beer before heading out for this 5k along the High Line Canal. This place is scenic, mostly flat and fast. Awards are given to the overall males and females, and medals are also given to 1st and 2nd place male and families in age divisions.

This 5k is all about celebrating moms and families. It is stroller friendly, and runners, walkers and even kids are welcomes to join. The post race party includes an all-you-can-eat pancake breakfast, and lots of fun activities like inflatables for kids.

Register for this run/walk in support for pancreatic cancer research. Participants can bring a photo of a loved one who is or has suffered from this disease to be hung on a photo wall, with their names read before the event begins.

This event to spread awareness and raise funds for multiple sclerosis takes place at Glenwood Springs High School. Proceeds go to the National Multiple Sclerosis Society.

Celebrate women at this 5k trail run that flat and fast. Everyone is welcomed to participate: girls, women and men. It takes place in North Monument Valley Park, and proceeds benefit Girls on the Run, a non-profit organization that uses running to change the lives of young girls. Awards are given to the overall male and female finisher, as well as the first in each age division.

This race is all about celebrate women and the impact they have on the community. This is a timed race, and every finisher get a fresh flower. Enjoy raffle prizes, food and a women-centric expo afterwards.

Celebrate Mother’s Day with this fun race in Denver’s City Park.There is a pre-race expo the day before at Denver Runners Roost Store. It costs just $35 to run.

Take part of the larges food drive to help feed homeless veterans. Racers are encouraged to bring dry goods or help fill up donation trucks before completing the course and earning a finisher medal.

This 5k supports homeless pets. Participants can run or walk with their dog, making it a great canine party.

This 5k celebrates that who show courage to fight cancer, while honoring those who thought their battle. The event takes place at Lutheran Medical Center’s Campus. There is live entertainment,prizes and lots of activities.

Show your support for lions, tigers, bears, wolves and other rescued animals in this wild race. The course for this 5k goes through the Sanctuary ground, and “limitless lions” get a custom medal, free entry into the Sanctuary and other swag.

Celebrate the 4th of July with this festive 5k. It includes a flat course in City Park, where participants can run, or walk. There is great awards, a kid’s race and lots of fun to be had.

This is a 5k many runners look forward to. It takes place along Sloan Lake, with Denver’s skyline serving as the backdrop. After the race enjoy food trucks and a free beer ay Joyride Brewing.

This is a great event because runners race along the changing leaves while looking at the great views. All finishers get a ribbon, and can enjoy the after party with food and entertainment.

This 5k takes place at Phillip S Miller Park, with the starting line at Miller Athletic Complex. It includes new trails and the single and double track trails at the adjacent Ridgeline Open Space. All finishers get a custom finisher medal and t-shit. There is free photo downloads and a post race party.

This race is all about the pie. It’s a family friendly event that welcomes runners and walkers, on a flat and fast course. Participants get a finisher’s medal and get a piece of pie after completing the course. Then enjoy a great post-race party.

Get in the Christmas spirit with this fun run that takes place along the South Platte River. Dress up in your best holiday outfit, run or walk to the finish line to get that medal and other swag.

This is one egg-cellent event. Not only of runners get to race in this 10k, but they also can enjoy free yoga 30-minutes before, and a egg hunt during the course for a chance to win prizes. When it’s over prizes are awarded to the top runners. Then check out the vendors and let the kids take pictures with the Easter Bunny after getting their face painted.

Hop into spring with this 10k that starts at 8 a.m. in Central Park. Finishers receive a medal, along with awards for overall male and female winners, and age divisions.

Run to support those at the Pueblo District 70 high school. Proceeds of this race help provide scholarships to the high school seniors in honor of Baylon Michael Meyer. The 10k starts at 9 a.m. at Hahns Peak Avenue, and there is even a virtual run/walk option.

This is a race on a much smaller scale, meaning less crowds and a more private setting. The coordinator hand-times the run and sets up the course. Participants receive a finisher’s awards, t-shirt, and cap, and the race packet is mailed to the runner’s house so no pick up is required. The 10k starts at 10:00 a.m., and there is also a 1 p.m. afternoon and 5 p.m. evening wave.

With a start time of 8:45 a.m , this 10k consists of a course that features concrete trails and some dirt roads. Awards re given to the top three men and women, as well as for age groups. Afterwards celebrate with a free beer at Kline’s Beer Hall.

Run the Big Dry Creek Trail, with views of Stanley Lake during this flat and fast 10k. All finishers get a medal, was well as a post race breakfast. Awards are given to the top runners overall and in age divisions.

With a start time of 8 a.m., this 10k starts and ends at Trinidad Lake State Park. It serves as a fundraiser for the Primero National Honor Society.

This 10k celebrate the local community of Loveland, in particular early childhood development. The event takes place on the trails around the Lakes at Centerraand participants get a long sleeve shirt, with awards give to the top overall and age group. There is a post-race party and beer garden.

This is one fun 10k, with post-race beer in the Leinenkugel Beer Garden, a costume contest, entertainment and vendors. Things get kicked off with a Children Diaper Dash at 10:15 a.m. in the Kids’ Fun Zone, and then participants take off for the 5k run or walk that takes them down Cherry Creek Drive and past the Denver Country Club before around around Cheesman Park and to the finish line.

This 10k consist of a flat and fast course that is chip timed and includes lots of perks. This includes a race shirt, finisher medal and of course, donuts. There are free professional photos and a great afterparty.

This is a great race for both beginner, intermediate and competitive runners. The course includes dirt trails and concrete paths around Standley Lake. There is is a total of 4 aid stations for runners, with with start time of 8:20 a.m. There is awards given to the top runners.

With a start time of 7:30 a.m., this 10k includes scenic and historic views in the Grand Valley. This includes running along the Colorado River and the town of Palisade past the blooming orchards. Finisher get a medal and there are special rewards for the top 3 men and women overall finishers.

Not ready for a full marathon, but want to take part of this race with some distance? Sign up for the 10k. Celebrate after with live music and locally brewed beers in Old Town Square.

Participate with this race organized by bRUNch Running club that enjoys running, eating brunch, and drinking amount friends. This timed race is a great way to be active, and then enjoy a good meal from Just Be Kitchen that is 100% gluten-free.

Enjoy a post-race pancake breakfast and beer before heading out for this 5k along the High Line Canal. This place is scenic, mostly flat and fast. Awards are given to the overall males and females, and medals are also given to 1st and 2nd place male and families in age divisions.

This race is all about celebrate women and the impact they have on the community. This is a timed race, and every finisher get a fresh flower. Enjoy raffle prizes, food and a women-centric expo afterwards.

Take part of the larges food drive to help feed homeless veterans. Racers are encouraged to bring dry goods or help fill up donation trucks before completing the course and earning a finisher medal.

This is the 10k race many look forward to all racing reason. Celebrating its 40 year anniversary, runners start in waves so that they can go at their own pace and enjoy the course that is full of entertainment. Be on the lookout for professional runners, then enjoy the Expo afterwards for good food, drink and swag.

Celebrate Memorial Day with this 10k race that takes runners along Horsetooth Reservoir. It is a challenging race, but worth it to help honor Vietnam War Veterans.

This 10k celebrates that who show courage to fight cancer, while honoring those who thought their battle. The event takes place at Lutheran Medical Center’s Campus. There is live entertainment,prizes and lots of activities.

Show your support for lions, tigers, bears, wolves and other rescued animals in this wild race. The course for this 10k goes through the Sanctuary ground, and tireless tigers get a custom medal, free entry into the Sanctuary and other swag.

Celebrate Labor Day weeks with this race that finishes at the new CSU Stadium. This event is all about the city of Fort Collins, the course including popular landmarks like City Park.

This is a great event because runners race along the changing leaves while looking at the great views. All finishers get a ribbon, and can enjoy the after party with food and entertainment.

This 10k takes place at Phillip S Miller Park, with the starting line at Miller Athletic Complex. It includes new trails and the single and double track trails at the adjacent Ridgeline Open Space. All finishers get a custom finisher medal and t-shit. There is free photo downloads and a post race party.

This race is all about the pie. It’s a family friendly event that welcomes runners and walkers, on a flat and fast course. Participants get a finisher’s medal and get a piece of pie after completing the course. Then enjoy a great post-race party.

Get in the Christmas spirit with this fun run that takes place along the South Platte River. Dress up in your best holiday outfit, run or walk to the finish line to get that medal and other swag.

Hop into spring with this half marathon. Starting at 8 a.m. in Central Park, this is the launch event for the 2018 Stapleton Run Series that concludes in September. Finishers receive a medal, along with awards for overall male and female winners, and age divisions.

This is a race on a much smaller scale, meaning less crowds and a more private setting. The coordinator hand-times the run and sets up the course. Participants receive a finisher’s awards, t-shirt, and cap, and the race packet is mailed to the runner’s house so no pick up is required. The half marathon starts at 9 a.m., and there is also a11 a.m. afternoon and 4 p.m. evening wave.

Make sure to register for this event early because only 2,900 runners can participate. This half marathon starts in downtown Littleton near the Little’s Creek Trail at 8 a.m. Spectators can watch the first 2 miles and cheer on their friends and family. There is six aid stations along the way with water and Nuun. Awards are given to both overall male and female and age gourds. There is even a relay option with awards for those as well.

With a start time of 8 a.m , this half marathon consists of a course that features concrete trails and some dirt roads. There is water stations about each mile with Nuun products, as well as gels at later miles. There is a three hour cutoff time for this race. Afterwards celebrate with a free beer at Kline’s Beer Hall.

Run the Big Dry Creek Trail, with views of Stanley Lake during this flat and fast half marathon. All finishers get a medal, was well as a post race breakfast. Awards are given to the top runners overall and in age divisions.

With a start time of 8 a.m., this half starts and ends at Trinidad Lake State Park. It serves as a fundraiser for the Primero National Honor Society.

This is a USA Track and Field-Certified course that is flat and fast. Enjoy the scenic view while running through parts of Cherry Creek State Park, as well as Windmill Creek and Cottonwoods Creek. There is race day registration allowed, and 8 a.m. is start time.

This is a great race for both beginner, intermediate and competitive runners. The course includes dirt trails and concrete paths around Standley Lake. Therein is a total of 6 aid stations for runners, with with start time of 8 a.m. There is awards given to the top runners.

With a start time of 7 a.m., this half marathon includes scenic and historic views in the Grand Valley. This includes running along the Colorado River and the town of Palisade past the blooming orchards. There is one hill at mile 4, with slight spending and defending throughout the race, but plenty of aid stations. Finisher get a medal and there are special rewards for the top 3 men and women overall finishers.

This is a popular race, wit many coming out to celebrate the Cañon City Music and Blossom Festival. This half takes place along the Arkansas Riverwalk in this historic city, and there are custom medals awarded to the top three racers in age groups.

Come run the Colorado Half Marathon, with online registration now open. All runners must ride a bus to the starting line from the parking lot at Remington and Oak Streets. There are 8 aid stations throughout the course. Celebrate after with live music and locally brewed beers in Old Town Square.

This half marathon is a rugged, trail run out in the desert with some short steep climbs, sand straps and rocks. Make sure to bring your own water bottle or hydration pack since cups aren’t provided at the aid stations. All finishers get dog tags are their reward, with custom cowbell awards given to the top three male and female finishers among age groups.

The Main Shalf Half includes a mountain of lollipop loop course that is all about the elevation. This event is all about having run on the trail. It include silly aid stations, as they run down the green loop before reaching the bottom.

This half has small town charm, and will be race to remember while running past Mining Town historical trail systems, bridges, and rural roads with views of the Rockies. The last two miles are downhill, so racers can finish fast.

This half marathon is all about running in wide open spaces, the course including the Greenland Open Space and the Santa Fe Trail. There is a slight uphill before finishing, and then relax by the lake.

This half has the beautiful mountains as a backdrop as runners race along the Ten Mile Range. This is a paved course that is fast. The race starts at 8 a.m., and all finishers receive a gift for completing the event.

This is a great half because of the ideal running temperatures, an ideal, flat course that includes going around the Boulder Reservoir on dirt roads and trails. It include two loops, with lots of aid stations along the way. Finishers get a great medal.

This half includes county roads with views of the Yampa River. Celebrate the kickoff of 4th of July weekend, with a 7 a.m. race start time. The top overall finishers receive awards.

Held at Sandstone Ranch Park, this half starts at 6 a.m. Finishers get a medal, souvenir race bib, gender specific performance tank top and free photos.

With a start and finish by the lake at the fairgrounds in Estes Park, this half includes scenic views of the park and Rocky Mountains. The race stars at 6 a.m., and runners get a race shirt, and finisher medal upon completion.

Created by local Lesley Kinder in 1999, this popular marathon includes a scenic course and is a good time thanks to its bagpipers and rowdy supporters cheering on finishers. All finisher are rewarded with a medal.

This is a great event because runners race along the changing leaves while looking at the great views. All finishers get a medal, along with a swag bag, t-shirt Then enjoy post-race food and entertainment.

Celebrate fall with this downhill half marathon along the Poudre River Canyon. The race starts at Mishawaka Amphitheater at 7 a.m., and ends bottom of the canyon. Enjoy post-race food at the Rocky Mountain foothills when finished.

This half marathon takes place at Phillip S Miller Park, with the starting line at Miller Athletic Complex. It includes new trails and the single and double track trails at the adjacent Ridgeline Open Space. All finishers get a custom finisher medal and t-shit. There is free photo downloads and a post race party.

This is a fan favorite marathon for many. That’s because it includes a great tour around Denver, starting and finishing in Denver’s City Park. Finishers get some great swag including a medal, and the top age awards are great keepsakes.

This marathon includes a fast and flat downhill course through the forest and canyons of the Rocky Mountains. Beautiful scenery is guaranteed, and finisher medals are given upon completing.

This is a marathon that is challenging, unloading scents with elevation gains on a diversity of terrain including dirt trails. The top three finishers by age groups receive a $150 Adidas gift certificate, and all finishers get a stainless steel mug.

Created by local Lesley Kinder in 1999, this popular marathon includes a scenic course and is a good time thanks to its bagpipers and rowdy supporters cheering on finishers. The race starts at the Boulder Reservoir, and the entire course features a loop. All finisher are rewarded with a medal.

This marathon takes place at Phillip S Miller Park, with the starting line at Miller Athletic Complex. It includes new trails and the single and double track trails at the adjacent Ridgeline Open Space. All finishers get a custom finisher medal and t-shit. There is free photo downloads and a post race party.

This marathon starts at 7 a.m. at Horsetooth Mountain Park. Runners go on these trails, as well as the trails of the Devil’s Backbone Open Space with 3,500 feet of elevation gain and the same amount of loss. There is a nine hour cut off time, great for first timers.

This marathon has one of the most scenic views. It includes red rock canyons, plateaus and monoliths, and ends in Fruita’s Circle Park. Enjoy a great post-race party with local food and a beer garden.

This 50k or 25k takes place in southern Douglas County, with the 50k being the fastest in Colorado. It includes dirt trails, with the Pikes Peak views. Participants get a running shirt and food and beer at the finish.

Runners can either do a 25 or 50 miles in this trail event that takes place in Lory State Park and Horsetooth Mountain Park. It includes hills and news of the Great Plains and For Collins Skyline. After the race enjoy music, good and awards.

This 50k race takes runner through meadows, forest and the proves of aspen while running through Golden Gate State Park. There is plenty of views that make this ultra worthwhile. Cash prizes are given to the top three male and female races, as well as age group prizes.

Runners can either compete in the 50k or 22k race that is as beautiful as it is challenging. It includes views of Clear Creek County and the Continental Divide, with a top altitude of over 13,000 feet.

This ultra consist of either a 105k or 55k at Crested Butte Mountain Resort. With wide open views that are inspirations and great trails under the fall leaves, finishers get a medal, shirt and trucker hat.

This ultra race takes place at Phillip S Miller Park, with the starting line at Miller Athletic Comple. It includes new trails and the single and double track trails at the adjacent Ridgeline Open Space. All finishers get a custom finisher medal and t-shit. There is free photo downloads and a post race party.