Fox Valley Winter Challenge Trail Series 8K
About this race
Registration Has Moved
The Fox Valley Winter Challenge Trail Series has returned to a single race website for 2027 registration: https://runsignup.com/Race/IL/Batavia/FoxValleyWinterChallengeTrailSeries
The 5K, 8K, and 10K events are now all managed through one convenient registration page, allowing participants to register for any combination of races and take advantage of our new series swag rewards.
The 2027 schedule includes:
5K – January 23, 2027
8K – February 20, 2027
10K – March 14, 2027
Please visit the official 2027 Winter Challenge registration page:
https://runsignup.com/Race/IL/Batavia/FoxValleyWinterChallengeTrailSeries
We look forward to seeing you on the trails this winter!
Ready to test your limits? The Fox Valley Winter Challenge Trail Series 8K brings a highly anticipated 8K to Aurora on February 21, 2026. Expect a fantastic route right in the heart of Illinois.
Pick your distance
Trail running
Fox Valley Winter Challenge Trail Series 8k
Held at Oakhurst Forest Preserve in Aurora
Weather Overview
These values reflect historical conditions on the race dates in Aurora in 2026, from Open-Meteo archive data.
About Aurora
Fox Valley Winter Challenge Trail Series 8K takes place in Aurora, Illinois, United States. The local timezone is America/Chicago.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.