
About the event
Taking place on September 21, 2025, the Fox Valley 20 Mile offers a scenic, gently rolling course along the Fox River in St. Charles, Illinois, with an elevation gain of 153 meters. Organized by Fox Valley Marathon Races, this race is ideal for runners training for a marathon or seeking a unique distance challenge. The race offers beautiful views of the river, plenty of crowd support, and a well-organized event experience. It’s the perfect way to test your endurance or get ready for a full marathon.
Date:
Sun
Sep 21
2025
Location:
Distance:
Elevation profile:
Flat
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Fox Valley 20 Mile, set for September 21, 2025, features an elevation gain of 153 meters and takes runners on a scenic journey along the Fox River in St. Charles, Illinois. Organized by Fox Valley Marathon Races, this event is a perfect preparation race for marathoners or anyone looking for a long-distance challenge.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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