Runners start the out-and-back course for the half marathon near Shaw Park, just outside downtown St. Louis, at the athletic and recreational complex known as The Center of Clayton. From there, runners head out onto Forsyth Boulevard, where they make their way east along Forsyth and through the campus of Washington University on the way toward Forest Park. The park serves as the race route for 7 miles of the course, as runners make their way inside just before passing the mile 3 marker and then exit the park just before reaching mile 11.
Note: The course map above provides the approximate route for the race. Though every effort has been made to ensure its accuracy, changes are sometimes made to race routes due to weather conditions, road closures or other circumstances that can require a course to be changed. If you see an error above, email us here.