A 5k is the shortest of the common running event distances researched on Runnerclick, consisting of 3.1 miles (5 kilometers). These events can either be competitive or social, depending on the particular one you are looking into. They are the most popular of road running events because of their relatively short distance which allows not only the seasoned runners to run, but novice runners, joggers and new-comers as well.

A 10k is one of the most common running event distances, consisting of 6.2 miles (10 kilometers). These events can either be competitive or more for fun, depending on the particular one you are looking into. They are twice the distance of the 5k and still  relatively short in distance. Less runners tend to participate then the 5k, but these events still get a lot of not only seasoned runners, but novice runners and joggers in attendance.

A Half Marathon event consists of running 13 miles (21 kilometers) and as the label suggests, is half of a standard Marathon which is a total of 26 miles. The popularity, participants of the half marathon distance and its events have significantly grown since the early 2000's and they continue to do so, with massive events popping up all over the states. The growth rate of participants for the half distance is currently higher than that of the full.

Marathon events consist of 26 miles (42 kilometers) and the courses are typically laid out through roads. Starting in the Olympics in the early 1900's, marathons have quickly picked up in popularity and most long distance runners subscribe to this distance.  In 2017 there are currently more than 800 running events being held, and that number is consistently growing.