Fox Valley Marathon Races
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Fox Valley Marathon Races : St. Charles, IL
The Fox Valley Marathon Races is a multi-distance running event held in St. Charles, Illinois on September 20, 2026. The event includes a marathon, a half marathon, a Fall Final 20 and a 5K, and combines a small-race atmosphere with larger race amenities.
Courses start and end in historic downtown St. Charles and run through Geneva, Batavia and North Aurora. The finish crosses the Fox River and is visible from over a mile away. The course layout provides multiple roadside viewing spots for families and supporters.
Aid stations are frequent and described as well positioned; they are staffed by volunteer teams. Organizers note changes for all courses for 2026, with specific trail improvements and new maps posted for the 20 and 26.2 mile courses. For 2026 entrants in the half marathon, 20 and marathon distances there is a shirt decline option that reduces the fee by fifteen dollars compared with 2025.
Event information includes race week details, awards, a pace team, results and photos, and opportunities for volunteers, fundraisers and local run clubs. Visit the organization's website for the most recent information.
