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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
Monsters of the Deep- 5K, 10K, and Half Marathon
Santa Monica, California
02 Aug 25
$26.97 - $41.81
Green Valley Lake 5k/10k/& Half Marathon
Green Valley Lake, California
02 Aug 25
$44.00 - $99.00
Hell Of A Half Marathon & 2 Person Relay
Exeter, California
02 Aug 25
$69.90 - $80.50
Endless Summer - 5K, 10K, and Half Marathon
Santa Monica, California
09 Aug 25
$26.97 - $41.81
SAR Wild Run
Shaver Lake, California
10 Aug 25
$49.45 - $86.55
We're Gonna Need a Bigger Finish Line - Great White Run 5K, 10K, & Half Marathon
Santa Monica, California
10 Aug 25
$32.79 - $42.33
Howl at the Moon- 5K, 10K, 10 Miler and Half Marathon
Long Beach, California
10 Aug 25
$26.97 - $41.81
Redwood (Summer) Trail Run
Oakland, California
16 Aug 25
Free - $85.80
The Pineapple Paradise Run 5K, 10K, & Half Marathon
Santa Monica, California
16 Aug 25
$32.79 - $42.33
Beer City Half SLAM
Fremont, California
16 Aug 25
$27.50 - $101.70
The Mighty Tiki Run 5K, 10K, & Half Marathon
Santa Monica, California
23 Aug 25
$32.79 - $42.33
Californian Dreamin 5K, 10K, & Half Marathon
Long Beach, California
24 Aug 25
$32.79 - $42.33
SPASM Crystal Springs Trail Run
Woodside, California
31 Aug 25
Free - $85.80
San Diego Holiday Half Marathon
San Diego, California
14 Dec 24 - 20 Dec 25
$85.93 - $160.66
One Love Unified Hearts - 5K, 10K, 10 Miler, and Half Marathon
Long Beach, California
23 Aug 25
$26.97 - $41.81
Showing 1-15 of 15 results