Frost or Fog 10-Mile, 1/4 Marathon & 5K

❄️ Event Overview

The Frost or Fog 10-Mile, Quarter Marathon and 5K is one of Chico’s favorite winter runs! Run in Upper Bidwell Park for great, challenging courses that cover gravel, trail and road or run wherever you are!

📅 Date and Location

• Date: January 24, 2026
• Time: Check event schedule for specifics
• Location: 357 Centennial Dr, Chico, CA
• Registration Link: Register here

🏃‍♂️ Race Categories

• 10-Mile: A challenging route for seasoned runners.
• Quarter Marathon: A great option for those looking to test their limits.
• 5K: Perfect for families or beginners wanting to enjoy the event.
• Virtual Option: Run at your own pace and place if you can't make it to Chico.