In 107 days · Sat, Jan 23, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, January 23rd, 2027
39W115 Main St, Batavia IL
5K
15–29°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2026
-11–7°F
dry
2025
6–24°F
dry
2024
31–35°F
rain
2023
22–30°F
dry
2022
5–21°F
rain
2021
2–30°F
dry
2020
29–34°F
rain
2019
17–34°F
rain
2018
28–33°F
dry
2017
35–42°F
dry
Best months to race in Illinois →
Race-day forecast says layers
15°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
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!
Course map
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Run clubs near Batavia to train with before race day.
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