Join the 67th running of this legendary marathon held in Columbia, MO on the first Monday in September, starting at 6:00 a.m. from Boone County History and Culture Center. As the second-oldest continuously running marathon in the US with a proud history stretching back to 1960, you'll experience the authentic "heart" of the race—challenging hills, heat, and humidity—with a genuine hometown atmosphere and strong community spirit. Keep in mind the strictly enforced six-hour time limit, with the finish area closing at noon.