08/01/2026
**REGISTRATION IS OPEN!**
The **2027 Fox Valley Winter Challenge Trail Series** is officially open for registration!
Join us for three great winter trail races:
**5K** – January 23 at Dick Young Forest Preserve
**8K** – February 20 at Oakhurst Forest Preserve
**10K** – March 14 at Hickory Knolls Discovery Center
Run one race or challenge yourself by completing all three! Whether you're an experienced trail runner or trying winter trail racing for the first time, this series is a great way to stay motivated through the winter months.
Expect scenic trails, a welcoming running community, finisher medals, and a fun morning outdoors.
Grab your spot today and start counting down to race day!
Who are you bringing to the trails this winter? Tag your running buddies below!
