Join us on Sunday, May 12th for the return of the St. Charles Half Marathon! Starting from Missouri Research Park, the 13.1 miles showcase the area's natural beauty. Participants receive a custom race shirt and a custom finisher medal celebrating their accomplishment!

Can't make it to the in-person event but want to be a part of the fun and stay motivated? Sign up for the half marathon as a virtual runner and receive the same shirt and custom 4" die cast finisher medal as in-person participants, and complete the distance on your own!