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Half Marathons found in California in December
View all ↓Half Marathons in California in December 2025
Find A Race is the US's favourite event listings site. Check out our list of December 2025 Half Marathons in California below.
Race Calendar: Half Marathons found in December
πBoosted
ZombieRunner Quarry Lakes
Fremont, California
Sat 06 Dec 25
Free - $80.50
πBoosted
Winter Runderland 5K, 10K, & Half Marathon
Long Beach, California
Sun 07 Dec 25
$16.90 - $52.93
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Great Race | Virtual Edition
Los Angeles, California
Sat 01 Nov 25 - Tue 30 Jun 26
$49.99
ZombieRunner Quarry Lakes
Fremont, California
Sat 06 Dec 25
Free - $80.50
Season's Greetings 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Sat 06 Dec 25
$25.00
Winter Runderland 5K, 10K, & Half Marathon
Long Beach, California
Sun 07 Dec 25
$16.90 - $52.93
36th Annual Lopers Club Holiday Classic Half Marathon, 10K, and 5K
Loma Linda, California
Sun 07 Dec 25
$11.60 - $91.10
Jingle Bell Jog β 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 07 Dec 25
$26.97 - $41.81
Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5K
Oxnard, California
Sat 13 Dec 25 - Sun 14 Dec 25
$11.60 - $138.79
Reindeer Run 5k, 10k, 15k, Half Marathon
Van Nuys, Los Angeles
Sat 13 Dec 25
$25.00
Run Against Breast Cancer 5K/10K/13.1 SACRAMENTO
Sacramento, California
Sat 13 Dec 25
$32.80 - $48.70
Run Against Breast Cancer 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 13 Dec 25
$32.80 - $52.94
Run Against Breast Cancer 5K/10K/13.1 SAN FRANCISCO
San Francisco, California
Sat 13 Dec 25
$32.80 - $52.94
Run Against Breast Cancer 5K/10K/13.1 PHOENIX
Glendale, Arizona
Sat 13 Dec 25
$32.80 - $48.70
Run for Mental Health 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 13 Dec 25
$32.80 - $52.94
Run for Mental Health 5K/10K/13.1 PHOENIX
Glendale, Arizona
Sat 13 Dec 25
$32.80 - $48.70
Run for Mental Health 5K/10K/13.1 SACRAMENTO
Sacramento, California
Sat 13 Dec 25
$32.80 - $52.94
The Jingle Bell Dash 5K, 10K and Half Marathon
Huntington Beach, California
Sat 13 Dec 25
$49.75 - $57.17
Run for Mental Health 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 13 Dec 25
$32.80 - $52.94
Run Against Breast Cancer 5K/10K/13.1 LOS ANGELES
Santa Monica, California
Sat 13 Dec 25
$32.80 - $52.94
Run for Mental Health 5K/10K/13.1 SAN FRANCISCO
San Francisco, California
Sat 13 Dec 25
$32.80 - $52.94
Merry Miles 5K, 10K, and Half Marathon
Long Beach, California
Sat 13 Dec 25
$31.73 - $42.33
Holiday Fun 5k, 10k, 15k, Half Marathon
Los Angeles
Sun 14 Dec 25
$25.00
Santa's Toy Trot β 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 14 Dec 25
$26.97 - $41.81
Run, Run Rudolph 5K,10K, and Half Marathon
Santa Monica, California
Sun 14 Dec 25
$31.73 - $42.33
Santa Hustle Roseville
Roseville, California
Sun 14 Dec 25
$27.49 - $96.39
Holiday Half Marathon, 10K, 5K, Kid's 1-Mile
Goleta, California
Sat 20 Dec 25
$22.20 - $75.20
Reindeer Run 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Sat 20 Dec 25
$25.00 - $40.00
San Diego Holiday Half Marathon & 5K
San Diego, California
Sat 20 Dec 25
$64.58 - $149.98
Holly Jolly 5K, 10K, and Half Marathon
Santa Monica, California
Sat 20 Dec 25
$26.97 - $41.81
Clueless & Breathless 5K, 10K & Half
Canoga Park, California
Sat 20 Dec 25
$34.99
Santaβs Reindeer Run - 5K, 10K, and Half Marathon
Huntington Beach, California
Sat 20 Dec 25
Free - $69.89
Reindeer Run 5k, 10k, 15k, Half Marathon
Riverside
Sun 21 Dec 25
$22.99 - $37.99
Chasing Santa β 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 21 Dec 25
$26.97 - $41.81
Happy Holidays 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Wed 24 Dec 25
$22.99 - $37.99
Twas the Night Before -Christmas Eve 5K, 10K, & Half Marathon
Santa Monica, California
Wed 24 Dec 25
$31.73 - $42.33
A Merry Christmas Run 5K/10K/13.1 SACRAMENTO
Sacramento, California
Sat 27 Dec 25
$32.80 - $52.94
A Merry Christmas Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 27 Dec 25
$32.80 - $48.70
A Merry Christmas Run 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 27 Dec 25
$32.80 - $48.70
A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, California
Sat 27 Dec 25
$32.80 - $52.94
Ring Out the Old β 5K, 10K, Half Marathon
Encino, California
Sat 27 Dec 25
$26.97 - $41.81
New Year's Run 5K/10K/13.1 SACRAMENTO
Sacramento, California
Sat 27 Dec 25
$32.80 - $52.94
Showing 1-40 of 48 results