- This event has passed.
GO! St. Louis Marathon & Family Fitness Weekend
Join the 16th Annual GO! St. Louis Marathon & Family Fitness Weekend where there are opportunities for all ages and fitness levels. More than 25,000 make up this event, making it Missouri’s largest fitness event. So grab your running shoes and participate in a marathon, half marathon, marathon relay, 5k run/walk, children’s fun runs and a mature mile.