October 24, 2026The Great GO! Halloween RaceThe Great GO! St. Louis Halloween Race features a half marathon, 10K, 5K, 1-mile fun run and 1-mile costumed dog walk – with a special Halloween twist! From the serious road racer to the family dressed head-to-toe in costume completing the race together, this is a can't-miss fall event! April 3, 2027St. Louis MarathonExperience the St. Louis Marathon: historic neighborhoods, scenic landmarks, and community celebrations along 26 miles of city streets. Feel the energy of a vibrant community event that has a distance for every participant! With festivities kicking off downtown and concluding with a lively after-party participants can look forward to live music, local cuisine, and an unparalleled city tour showcasing the spirit of St. Louis, the Gateway to the Best. June 5, 2027KT82 Trail RelayConquer the Ultimate Team Adventure at the GO! St. Louis KT82 Trail Relay! Ready to take your running game to the next level? Gather your crew for the KT82 Trail Relay, a one-of-a-kind journey through the breathtaking trails and rolling countryside of Missouri. Spanning 82 miles of scenic beauty, this epic team race will challenge your stamina, teamwork, and spirit while delivering unforgettable memories. June 20, 2027All American 5K & Fun RunWith a beautiful point-to-point course winding through the neighborhoods of Kirkwood and Webster Groves, and boasting the reputation of the fastest 5K in St. Louis, the All-American 5K is the summer’s can’t-miss event. Summer Sizzle SeriesWe’re kicking off a brand-new summer tradition for St. Louis runners. Whether you’re getting fit for fall, looking for a fun midweek run, or just want an excuse to get outside with your people, the Summer Sizzle Series is your Thursday night plan all summer long. June 25: 2 Mile @ Shaw Park July 9: 4K @ Tower Grove Park July 23: 4 Mile @ 370 Lakeside Park August 6: 5K @ George Winter Park Four races, four parks, different distances each time. Enjoy summer nights, great parks, music, movement, and a laid-back post-run hang with your crew. Community EventsView AllRun to Remember 5K Walk. Run. Honor.July 18 @ 9:00 amBrentwood Community RunSeptember 19 @ 8:00 amMiles for MesoSeptember 19 @ 9:00 amCarlyle Lake TriathlonSeptember 20 @ 7:00 am Support GO! St. LouisEvery donation empowers our non-profit to continue to Rally the Lou by inspiring healthy, active lifestyles in the St. Louis region through exciting events and community programs. Donate