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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
A Merry Christmas Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 27 Dec 25
$32.80 - $48.70
🚀Boosted
Chasing Santa – 5K, 10K, 10M, and Half Marathon
Long Beach, California
Sun 21 Dec 25
$26.97 - $41.81
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New Year's Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California
Sat 27 Dec 25
$32.80 - $48.70
Countdown to the Finish – 5K, 10K, 10M, and Half Marathon
Long Beach, California
Sun 28 Dec 25
$26.97 - $41.81
Run In The New Year 5k/10K/Half Marathon
Huntington Beach, California
Sun 28 Dec 25
$36.00 - $82.50
Last Miles of 2025- 5K, 10K, and Half Marathon
Santa Monica, California
Sun 28 Dec 25
$31.73 - $42.33
Last Dash Before Midnight 5K, 10K, & Half Marathon
Long Beach, California
Wed 31 Dec 25
$32.79 - $42.33
Showing 41-45 of 45 results