Fox Valley Winter Challenge Trail Series
St. Charles, United States • 21 Feb 2026
Event overview
The Fox Valley Winter Challenge Trail Series 8K takes place on February 21, 2026, at Oakhurst Forest Preserve in Aurora, Illinois (1680 5th Ave). The race is the middle event in a three-race winter trail series that also includes the 5K and 10K. Entry for the 8K is listed at $40, with price increases noted after December 31, 2025. All finishers receive a medal. Series incentives: one race earns a winter hat; two races add bib snaps; completing all three races adds a hooded zip sweatshirt plus the other items.
Distances
- 5K
- 8K
- 10K
Course and race-day logistics
The event is a trail race over mixed terrain, including grass, gravel, dirt, and pavement. February conditions may include snow, ice, or mud. The course begins with an incline up a steep sledding hill. The start and finish are located in the parking lot by the covered shelter. Parking at Oakhurst is limited and free, with overflow parking across 5th Ave at St. Athanadios Greek Orthodox Church. There is no formal gear check; items may be left in the covered shelter at the owner’s risk. Restroom facilities are available near the start/finish and in the adjacent parking lot. There are no water stations on course; bottled water and snacks will be provided at the finish. Headphones are allowed; dogs are not permitted. Packet pickup details are still being finalized, and race-day registration is available on the morning of the event. Visit the organization's website for the most recent information.