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Half Marathons found in California in August

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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

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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
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SPASM Crystal Springs Trail Run

Woodside, California
31 Aug 25
Free - $85.80
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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

Long Beach, CA Galloway Training Program

Long Beach, California
07 Jun 25 - 04 Oct 25
$100.00 - $120.00

Labor Day Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
30 Aug 25
$32.80 - $52.94

Labor Day Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
30 Aug 25
$32.80 - $52.94

Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sacramento, California
30 Aug 25
$32.80 - $52.94

Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
30 Aug 25
$32.80 - $52.94

SPASM Crystal Springs Trail Run

Woodside, California
31 Aug 25
Free - $85.80

Half-Marathon Training for Fun & Fitness

Grass Valley, California
20 Jul 25 - 05 Oct 25
$36.55

Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Los Angeles, California
30 Aug 25
$32.80 - $52.94

Labor Day Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California
30 Aug 25
$32.80 - $52.94

Labor Day Run 5K/10K/13.1 SAN DIEGO

San Diego, California
30 Aug 25
$32.80 - $52.94

Sunrise Marathon 5K/10K/13.1 SAN DIEGO

San Diego, California
30 Aug 25
$32.80 - $52.94
Showing 1-12 of 12 results