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Half Marathons found in California in August
View all ↓Half Marathons in California in August 2025
Find A Race is the US's favourite event listings site. Check out our list of August 2025 Half Marathons in California below.
Race Calendar: Half Marathons found in August
Green Valley Lake 5k/10k/& Half Marathon
Green Valley Lake, California
02 Aug 25
$44.00 - $99.00
Monsters of the Deep- 5K, 10K, and Half Marathon
Santa Monica, California
02 Aug 25
$26.97 - $41.81
Endless Summer - 5K, 10K, and Half Marathon
Santa Monica, California
09 Aug 25
$26.97 - $41.81
Howl at the Moon- 5K, 10K, 10 Miler and Half Marathon
Long Beach, California
10 Aug 25
$26.97 - $41.81
SAR Wild Run
Shaver Lake, California
10 Aug 25
$49.45 - $86.55
Beer City Half SLAM
Fremont, California
16 Aug 25
Free - $96.40
Redwood (Summer) Trail Run
Oakland, California
16 Aug 25
Free - $85.80
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