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Half Marathons found in California in Summer

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Half Marathons in California in Summer 2025

Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Half Marathons in California below.

Race Calendar: Half Marathons found in Summer

Great Race | Virtual edition

Los Angeles, California
01 Jan 25 - 01 Jun 25
$49.00

San Jose Half Marathon & 8K

San Jose, California
01 Jun 25

Cinderella Trail Run

Oakland, California
01 Jun 25
Free - $85.80

2025 Lake Chabot Trail Challenge (Half Marathon & 5K)

Castro Valley, California
01 Jun 25
$44.00 - $64.60

70th Annual Fontana Days Run

Fontana, California
07 Jun 25
$18.20 - $74.36

Beachfront Run Half Marathon, 10K, 5K & Kids Run

Ventura, California
07 Jun 25
$22.20 - $80.50

Sugar Daddy Race

Santa Clarita, California
14 Jun 25
$38.10 - $144.10

Goleta Beach Half Marathon, 10K, 5K, Kid's 1-Mile

Goleta, California
21 Jun 25
$22.20 - $54.00

LA Parks Run Series

City of Los Angeles Trail Parks, California
21 Jun 25
$207.70 - $263.50

Strawberry Moon Run -5K, 10K, and Half Marathon

Santa Monica, California
21 Jun 25
$26.97 - $41.81

Good Vibes Run- 5K, 10K, 10 Miler and Half Marathon

Long Beach, California
22 Jun 25
$26.97 - $41.81

Alien Run- 5K, 10K, 10 Miler and Half Marathon

Long Beach, California
29 Jun 25
$26.97 - $41.81

Red, White, and Run 5K, 10K, 10 miler and Half Marathon

Long Beach, California
04 Jul 25
$27.49 - $42.33

San Lorenzo River Trail Run

Santa Cruz, California
12 Jul 25
Free - $85.80

Run, Forest, Run -5K, 10K, and Half Marathon

Santa Monica, California
12 Jul 25
$26.97 - $41.81

Sand and Sun Tropical Run - 5K, 10K, 10 Miler and Half Marathon

Long Beach, California
13 Jul 25
$26.97 - $41.81

LBC Summer Breeze - 5K, 10K, 10 Miler and Half Marathon

Long Beach, California
19 Jul 25
$26.97 - $41.81

Summer Lovin -5K, 10K, and Half Marathon

Santa Monica, California
20 Jul 25
$26.97 - $41.81

Santa's Summer Stride - Christmas in July 5K, 10K, & Half Marathon

Santa Monica, California
26 Jul 25
$26.97 - $41.81

Hell Of A Half Marathon & 2 Person Relay

Exeter, California
02 Aug 25
$69.90 - $80.50

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

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

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

Beer City Half SLAM

Fremont, California
16 Aug 25
$27.50 - $96.40

San Diego Holiday Half Marathon

San Diego, California
14 Dec 24 - 20 Dec 25
$85.93 - $160.66

Brian Waterbury Memorial Rock to Pier Run

Morro Bay, California
12 Jul 25
$59.80 - $91.60
Showing 1-29 of 29 results