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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
ZombieRunner Quarry Lakes
Fremont, California
06 Dec 25
Free - $80.50
Winter Runderland 5K, 10K, & Half Marathon
Santa Monica, California
06 Dec 25
$31.73 - $42.33
Merry Miles 5K, 10K, and Half Marathon
Long Beach, California
13 Dec 25
$31.73 - $42.33
Candy Cane Chase 5K,10K, and Half Marathon
Santa Monica, California
14 Dec 25
$31.73 - $42.33
Santa's Toy Trot 5K, 10K, 10 Miler, and Half Marathon
Long Beach, California
14 Dec 25
$26.97 - $41.81
Santas Reindeer Run - 5K, 10K, and Half Marathon
Huntington Beach, California
20 Dec 25
$40.21 - $56.11
Holiday Half Marathon, 10K, 5K, Kid's 1-Mile
Goleta, California
20 Dec 25
$16.90 - $54.00
Holly Jolly 5K, 10K, and Half Marathon
Santa Monica, California
20 Dec 25
$26.97 - $41.81
San Diego Holiday Half Marathon & 5K
San Diego, California
20 Dec 25
$47.50 - $107.28
Runderland Express 5K, 10K, and Half Marathon
Long Beach, California
21 Dec 25
$32.79 - $42.33
Jingle All the Way - Christmas Day 5K, 10K, and Half Marathon
Santa Monica, California
24 Dec 25
$32.79 - $42.33
Ring Out the Old 5K, 10K, and Half Marathon
Santa Monica, California
27 Dec 25
$26.97 - $41.81
Last Miles of 2025- 5K, 10K, and Half Marathon
Santa Monica, California
28 Dec 25
$31.73 - $42.33
Countdown to the Finish 5K, 10K, 10 Miler, and Half Marathon
Long Beach, California
28 Dec 25
$26.97 - $41.81
Run In The New Year 5k/10K/Half Marathon
Huntington Beach, California
28 Dec 25
$33.50 - $88.00
Last Dash Before Midnight 5K, 10K, & Half Marathon
Long Beach, California
31 Dec 25
$32.79 - $42.33
San Diego Holiday Half Marathon
San Diego, California
14 Dec 24 - 20 Dec 25
$85.93 - $160.66
Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5K
Oxnard, California
13 Dec 25 - 14 Dec 25
$11.60 - $75.19
Showing 1-18 of 18 results