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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
🚀Boosted
Last Dash Before Midnight 5K, 10K, & Half Marathon
Long Beach, California
Wed 31 Dec 25
$32.79 - $42.33
🚀Boosted
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
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Long Beach, CA Galloway Training Program
Long Beach, California
Sat 22 Nov 25 - Sat 02 May 26
$100.00 - $120.00
Great Race | Virtual Edition
Los Angeles, California
Mon 01 Dec 25 - Tue 30 Jun 26
$49.99
Run Against Breast Cancer 5K/10K/13.1 PHOENIX
Glendale, Arizona
Sat 13 Dec 25
$32.80 - $54.00
Run for Mental Health 5K/10K/13.1 PHOENIX
Glendale, Arizona
Sat 13 Dec 25
$32.80 - $54.00
Run for Mental Health 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 13 Dec 25
$32.80 - $64.60
The Jingle Bell Dash 5K, 10K and Half Marathon
Huntington Beach, California
Sat 13 Dec 25
$22.20 - $63.53
Reindeer Run 5k, 10k, 15k, Half Marathon
Van Nuys, Los Angeles
Sat 13 Dec 25
$25.00
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
Run Against Breast Cancer 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 13 Dec 25
$32.80 - $64.60
Merry Miles- Naughty or Nice Run 5K, 10K, and Half Marathon
Long Beach, California
Sun 14 Dec 25
$50.81 - $57.17
Santa's Toy Trot – 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 14 Dec 25
$26.97 - $41.81
Holiday Fun 5k, 10k, 15k, Half Marathon
Los Angeles
Sun 14 Dec 25
$25.00
Santa Hustle Roseville
Roseville, California
Sun 14 Dec 25
$32.79 - $106.99
Holiday Half Marathon, 10K, 5K, Kid's 1-Mile
Goleta, California
Sat 20 Dec 25
$22.20 - $80.50
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
San Diego Holiday Half Marathon & 5K
San Diego, California
Sat 20 Dec 25
$75.26 - $160.66
Santa’s Reindeer Run - 5K, 10K, and Half Marathon
Huntington Beach, California
Sat 20 Dec 25
Free - $69.89
Reindeer Run 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Sat 20 Dec 25
$25.00 - $40.00
Holly Jolly Marathon
Camarillo, Ventura
Sun 21 Dec 25
$160.00
Chasing Santa – 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 21 Dec 25
$26.97 - $41.81
Reindeer Run 5k, 10k, 15k, Half Marathon
Riverside
Sun 21 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
Happy Holidays 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Wed 24 Dec 25
$22.99 - $37.99
Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash
Long Beach, California
Thu 25 Dec 25
$16.90 - $63.53
Ring Out the Old – 5K, 10K, Half Marathon
Encino, California
Sat 27 Dec 25
$26.97 - $41.81
The Final Countdown 5k, 10k, 15k, Half Marathon
Long Beach, Los Angeles
Sat 27 Dec 25
$22.99 - $37.99
New Year's Run 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 27 Dec 25
$32.80 - $64.60
New Year's Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 27 Dec 25
$32.80 - $64.60
A Merry Christmas Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 27 Dec 25
$32.80 - $64.60
A Merry Christmas Run 5K/10K/13.1 SAN DIEGO
San Diego, California
Sat 27 Dec 25
$32.80 - $64.60
Run In The New Year 5k/10K/Half Marathon
Huntington Beach, California
Sun 28 Dec 25
$36.00 - $85.80
Last Miles of 2025- 5K, 10K, and Half Marathon
Santa Monica, California
Sun 28 Dec 25
$31.73 - $42.33
Countdown to the Finish – 5K, 10K, 10-Miler, Half Marathon
Long Beach, California
Sun 28 Dec 25
$26.97 - $41.81
Last Dash Before Midnight 5K, 10K, & Half Marathon
Long Beach, California
Wed 31 Dec 25
$32.79 - $42.33
Run Against Breast Cancer 5K/10K/13.1 SAN FRANCISCO
San Francisco, California
Sat 13 Dec 25
$32.80 - $64.60
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 SACRAMENTO
Sacramento, California
Sat 13 Dec 25
$32.80 - $64.60
Run for Mental Health 5K/10K/13.1 SAN FRANCISCO
San Francisco, California
Sat 13 Dec 25
$32.80 - $64.60
Run Against Breast Cancer 5K/10K/13.1 LOS ANGELES
Santa Monica, California
Sat 13 Dec 25
$32.80 - $52.94
Showing 1-40 of 46 results
