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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
πBoosted
Noyo Headlands Race
Fort Bragg, California
09 Aug 25
$10.80 - $67.45
πBoosted
The Mighty Tiki Run 5K, 10K, & Half Marathon
Long Beach, California
03 Aug 25
$32.79 - $42.33
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The Pineapple Paradise Run 5K, 10K, & Half Marathon
Venice Beach, California
21 Jun 25 - 16 Aug 25
$32.79 - $42.33
Monsters of the Deep Dash 5K, 10K, and Half Marathon
Santa Monica, California
02 Aug 25
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
The Mighty Tiki Run 5K, 10K, & Half Marathon
Long Beach, California
03 Aug 25
$32.79 - $42.33
Endless Summer Shuffle 5K, 10K, and Half Marathon
Santa Monica, California
09 Aug 25
Noyo Headlands Race
Fort Bragg, California
09 Aug 25
$10.80 - $67.45
SAR Wild Run
Shaver Lake, California
10 Aug 25
$49.45 - $86.55
Howl at the Moon 5K, 10K, 10M, and Half Marathon
Long Beach, California
10 Aug 25
$26.97 - $41.81
Hitchhiker's Guide to Running - 5K, 10K, & Half Marathon
Long Beach, California
10 Aug 25
$35.97 - $46.57
Redwood (Summer) Trail Run
Oakland, California
16 Aug 25
Free - $85.80
Beer City Half SLAM
Fremont, California
16 Aug 25
$27.50 - $101.70
One Love Unified Hearts 5K, 10K, 10M, and Half Marathon
Long Beach, California
23 Aug 25
$26.97 - $41.81
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
Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!
Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50
Showing 1-17 of 17 results