St. Charles

Fox Valley Winter Challenge Trail Series

FEB
20
2027
Trail races at Oakhurst Forest Preserve in Aurora, Illinois, the series includes 5K, 8K, and 10K events in early 2027 with a single registration and series swag rewards; the 8K fee is $65.00.
Sat 20 Feb 2027
St. Charles, Illinois
Website
8 kilometers

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Fox Valley Winter Challenge Trail Series 8K

The event is part of the Fox Valley Winter Challenge Trail Series held at Oakhurst Forest Preserve in Aurora, Illinois. The listed 8K event carries a registration fee of $65.00 and takes place at the preserve location at 1680 5th Ave, Aurora, IL 60504.

The 2027 series includes multiple trail race distances. Distances and dates in the 2027 schedule:

  • 5K - January 23, 2027
  • 8K - February 20, 2027
  • 10K - March 14, 2027

Registration for the series is managed through a single registration page that covers the 5K, 8K, and 10K events. Participants can register for any combination of the races in the series. The series also includes a system of series swag rewards tied to participation across the events. Visit the organization's website for the most recent information.

8 km

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