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Half Marathons found in California in Summer

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Half Marathons in California in Summer 2026

Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 Half Marathons in California below.

Race Calendar: Half Marathons found in Summer

🚀Boosted

Run for Donuts 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 25 Jul 26
$32.80 - $48.70
🚀Boosted

Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon

Long Beach, California
Sun 09 Aug 26
$31.73 - $43.39
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Great Race | Virtual edition

Los Angeles, California
Fri 10 Oct 25 - Tue 30 Jun 26
$49.00

SuperHeroes Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 06 Jun 26
$32.80 - $48.70

Run for Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 06 Jun 26
$32.80 - $48.70

SuperHeroes Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 06 Jun 26
$32.80 - $48.70

SuperHeroes Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 06 Jun 26
$32.80 - $48.70

Run for Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 06 Jun 26
$32.80 - $48.70

Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 06 Jun 26
$32.80 - $48.70

Wrigley River Run & Tadpole Trot

Long Beach, California
Sat 06 Jun 26
$6.30 - $80.50

2026 Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California
Sun 07 Jun 26
$44.00 - $69.90

Sugar Daddy Race

Santa Clarita, California
Sat 20 Jun 26
$38.10 - $112.30

Sloth Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 20 Jun 26
$32.80 - $48.70

Sloth Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 20 Jun 26
$32.80 - $48.70

Sloth Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 20 Jun 26
$32.80 - $48.70

Summer Solstice Run : 5K & 10K – LONG BEACH

Long Beach, California
Sat 20 Jun 26
$35.97 - $46.57

Summer time in the LBC 5K, 10K, & Half Marathon

Long Beach, California
Sat 27 Jun 26
$32.79 - $42.33

Run for Chocolate 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 04 Jul 26
$32.80 - $48.70

Run for Chocolate 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 04 Jul 26
$32.80 - $48.70

Run for Chocolate 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 04 Jul 26
$32.80 - $48.70

San Lorenzo River Trail Run

Santa Cruz, California
Sat 11 Jul 26
Free - $85.80

Endless Summer in the LBC 5K, 10K, & Half Marathon

Long Beach, California
Sat 11 Jul 26
$32.79 - $42.33

Run for Donuts 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 25 Jul 26
$32.80 - $48.70

Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 25 Jul 26
$32.80 - $48.70

San Francisco Marathon

San Francisco
Sat 25 Jul 26 - Sun 26 Jul 26
$77.19 - $421.57

Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES

Los Angeles, California
Sat 25 Jul 26
$32.80 - $48.70

Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 25 Jul 26
$32.80 - $48.70

LBC - Good Vibes Run 5K, 10K, & Half Marathon

Long Beach, California
Sat 25 Jul 26
$32.79 - $42.33

Run for Donuts 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 25 Jul 26
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 25 Jul 26
$32.80 - $48.70

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, California
Sat 01 Aug 26
$44.00 - $99.00

Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon

Long Beach, California
Sun 09 Aug 26
$31.73 - $43.39

SAR Wild Run

Shaver Lake, California
Sun 09 Aug 26
$49.45 - $86.55

Californian Dreamin 5K, 10K, & Half Marathon

Long Beach, California
Sun 23 Aug 26
$32.79 - $42.33

71st Annual Fontana Days Run

Fontana, California
Sat 06 Jun 26
$18.20 - $74.36

Beer City Half™ Alameda

Alameda, California
Sat 11 Jul 26 - Sat 18 Jul 26
Free - $99.05

Beer City Half™ SLAM

Fremont, California
Sat 15 Aug 26
$27.50 - $96.40
Showing 1-35 of 35 results