The 2023 Fox Valley Marathon will be held Sunday, September 17, from 7:00 a.m. until approximately 2:00 p.m. The marathon will begin in St. Charles on the Illinois Street Bridge. The run continues south to Aurora before returning to the finish line back in St. Charles.
Several roadways in St. Charles will be affected by the marathon:
- 1st Street between Illinois Street and Indiana Street will be closed beginning Saturday, September 16 at 5:00 a.m. for set up.
- Both the Prairie Street and Illinois Street bridges will be closed during the entire event on Sunday. Motorists are advised to use either the Main Street (Rt. 64) Bridge or the Red Gate Bridge.
- The race begins at 7:00 a.m. Sunday morning and ultimately travels south on 1st Street to Geneva Rd. (Rt. 31). Geneva Rd will be closed briefly from 7:00 a.m. to 7:40 a.m. and traffic will be detoured to S. 3rd Street.
- As a reminder, the current detour is still in place on Riverside Ave. (Rt. 25) due to construction. Additional closures will take place as the runners return to St. Charles on the east side of the river. On September 17, from 7:00 a.m. to 1:30 p.m., Riverside Ave. will be closed from Illinois Ave to S. 6th Ave. Motorists are advised to use S. 7th Ave.
Police and Emergency Management personnel will be positioned at key locations to assist with traffic direction. Motorists are advised to expect delays when traveling throughout the city. Police remind drivers to watch for runners, spectators, and emergency responders assisting with the event. Please do not drive distracted.