Fox Valley Winter Challenge Trail Series 10K
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!
Pick your distance
Trail running
Fox Valley Winter Challenge Trail Series 10k
Held at Hickory Knolls Discovery Center in St. Charles. The address is 3795 Campton Hills Dr., St. Charles, IL 60175. The parking lot is located just before the pickleball courts at James O'Breen Community Park as you drive toward the Discovery Center. The starting line is on the road behind the discovery center. Take the trail to the right to find it.
Typical race-day weather
Based on 2 years of Open-Meteo archive data for this event's race dates in Saint Charles, plus the 3 days either side.
The sun rises at 7:06 AM and sets at 6:58 PM local time (CDT) in Saint Charles on March 14, 2027 — 11h 51m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Fox Valley Winter Challenge Trail Series 10K
Other races near Saint Charles
Different organizers, within 40 miles, in the next three months
Fox Mill Community 5K and Fun Run
Run, Walk & Roll Geneva
Marklund Run, Walk & Roll 5K/1Mile
Santa's Run through the Lights 5K Run/Walk
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 7 Saint Charles events
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