2023 Belleville Main Street Marathon and Half Marathon

Run America’s longest Main Street in historic Belleville, IL, which is a short drive from downtown St. Louis. The 2023 race will be the 7th year for our full marathon, and the course is certified as a Boston Marathon-qualifying course. Both the full and half marathons will start and finish on Main Street in downtown Belleville and travel along a portion of America’s longest Main Street and other city streets. About 10 miles of the second half of the full marathon is on the St. Clair Country Transit District’s paved biking/walking trail. The half marathon will capped at 500 participants in 2023. We offer enthusiastic course support with ammenities of a big city race but with lots of small town charm.