Frost or Fog 10-Mile
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Event details
The Frost or Fog event takes place on Saturday, January 24, 2026, in Chico, California (ZIP 95928). The race location is listed as 357 Centennial Dr, Chico, CA. The event is organized as part of activities in Upper Bidwell Park and includes courses over gravel, trail and road surfaces. The listed sponsor is Klean Kanteen.
Distances
- 10-Mile
- 1/4 Marathon
- 5K
Course information
All three courses begin on the levee between 5 Mile Recreation Area and Hooker Oak Park and proceed past a bridge onto a trail parallel to Wild Wood and Upper Park Roads. Participants cross 5 Mile Way to a bike path and continue on sections of Upper Park Road. The 10-Mile course continues on Upper Park Road to about 5.5 miles with a turnaround where B Trail meets Upper Park Road. The quarter marathon continues on Upper Park Road to just past the Bear Hole parking lot before returning. The 5K route turns left into the Rod & Gun Club parking lot and returns to the bike path. Each course finishes after crossing the bridge over the creek to the finish line.
Registration and notes
Registration for the listed events closes January 23, 2026. Registrants after December 30, 2025 are not guaranteed a hooded shirt giveaway. Visit the organization's website for the most recent information.
