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

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Chico, California, United States

calendar_today 24 Jan, 2026

directions_run Running

sell $30.00

About the Event

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!

Races Offered

Standard 10-Mile

Jan 24, 2026

straighten

Distance — 10 Miles

terrain

Type — Running

timer

09:00

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$30.00

Standard 1/4 Marathon

Jan 24, 2026

straighten

Distance — 6.55 Miles

terrain

Type — Running

timer

09:15

sell

$30.00

Standard 5K

Jan 24, 2026

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

09:30

sell

$30.00

Weather Overview

These values represent the 3-year monthly averages for January in Chico.

Temp (°C)

Feels Like (°C)

thermostat 4.8° / 14.1°

wb_sunny 1.2° / 11.6°

Wind (km/h)

Humidity (%)

air 9.9 /

water_drop 74.5%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 4.8° / 14.1°

wb_sunny 1.2° / 11.6°

air 9.9 km/h

water_drop 74.5%

About Chico

Learn more about the host city, Chico.

Chico is in Butte County in California. Chico is the cultural and economic center of the northern Sacramento Valley, as well as the largest city in California north of Sacramento. The city is known as a college town, as the home of California State University, Chico, and for Bidwell Park, one of the largest urban parks in the world.