Running Races in California
Explore races in California during December 2025.
By Month
By Race Type
By City
Top Events
Calero Trail Run - Winter
Ultra
San Jose, CA
Date TBD
12:00 AM PST
Ray Miller 50/50
Ultra
Malibu, CA
Date TBD
12:00 AM PST
San Joaquin River Trail 10k/25k/50k
5K10KUltra
Friant, CA
Date TBD
6:30 AM PST
Santa Claus For A Cause 5k/10k
5K10K
Huntington Beach, CA
Date TBD
8:00 AM PST
Zombierunner Quarry Lakes
5K10KHalf-Marathon
Fremont, CA
Date TBD
15th Annual Reindeer Run/walk
5K10K
American Canyon, CA
Date TBD
9:00 AM PST
River Valley's Inaugural Jingle Bell Jog
5K
Yuba City, CA
Date TBD
9:00 AM PST
36th Annual Lopers Club Holiday Classic Half Marathon, 10k, And 5k
5K10KHalf-Marathon
Loma Linda, CA
Date TBD
7:00 AM PST
Winter Runderland 5k, 10k, & Half Marathon
5K10KHalf-Marathon
Long Beach, CA
Date TBD
7:00 AM PST
The Krampus Cross Country 5k, 10k, Or Naughty Nine Miler (live Or Virtual)!
5K10K
San Francisco, CA
Date TBD
8:00 AM PST
Doomsday
Ultra
Cool, CA
Date TBD
7:30 AM PST
Run For Mental Health 5k/10k/13.1 Sacramento
5K10K1 Mile
Sacramento, CA
Date TBD
7:30 AM PST
Run For Mental Health 5k/10k/13.1 San Diego
5K10K1 Mile
San Diego, CA
Date TBD
7:30 AM PST
Run For Mental Health 5k/10k/13.1 San Francisco
5K10K1 Mile
San Francisco, CA
Date TBD
7:30 AM PST
Run Against Breast Cancer 5k/10k/13.1 Los Angeles
5K10K1 Mile
Santa Monica, CA
Date TBD
7:30 AM PST
Run For Mental Health 5k/10k/13.1 Los Angeles
5K10K1 Mile
Los Angeles, CA
Date TBD
7:30 AM PST
Lights For Life 5k
5K
Murrieta, CA
Date TBD
8:00 AM PST
Modesto Spirit Of Giving 5k Run & Walk
5K
Modesto, CA
Date TBD
8:30 AM PST
The Jingle Bell Dash 5k, 10k And Half Marathon
5K10KHalf-Marathon
Huntington Beach, CA
Date TBD
8:30 AM PST
49th Annual Holiday Run And Walk For Health
1 Mile
Antioch, CA
Date TBD
9:00 AM PST