RunEmu

Half Marathon Races in California (Page 2)

Browse 157+ upcoming half marathon races in California.

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Rodeo Valley Trail Run

Aug 1, 2026
Sausalito, CA
31.1M18.6M1/2 Marathon5M
66°
56°
0%

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

Aug 1, 2026
Green Valley Lake, CA
13.1M6.2M3.1M
97°
66°
1%

Skyline 50k Endurance Run

Aug 2, 2026
Castro Valley, CA
31.1M13M
75°
58°
0%

Mount Madonna Challenge

Aug 8, 2026
Gilroy, CA
1/2 Marathon10K5K
72°
55°
0%

The Napa Lapa Trail Adventure

Aug 8, 2026
Napa, CA
12HR12HR6HR6HR3HR
78°
56°
0%

Hell Of A Half Marathon & 2 Person Relay

Aug 8, 2026
Exeter, CA
13.1M
100°
64°
0%

Noyo Headlands Race

Aug 8, 2026
Fort Bragg, CA
13.1M6.21M3.1M0.5M
94°
56°
0%

Thunder Mountain Trail Challenge

Aug 8, 2026
Escondido, CA
31.1M21M10.5M5.6M
88°
66°
0%

SAR Wild Run

Aug 9, 2026
Shaver Lake, CA
13.1M10K5K2M
94°
68°
0%

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

Aug 9, 2026
Long Beach, CA
13.1M6.2M3.1M
84°
66°
0%

Redwood (Summer) Trail Run

Aug 15, 2026
Oakland, CA
31.1M26.2M18.6M13.1M5M2M
73°
58°
0%

Beer City Half™ SLAM

Aug 15, 2026
Fremont, CA
13.1M6.2M3.1M1M
77°
58°
0%

Bagel Run 5K/10K/13.1 LOS ANGELES

Aug 15, 2026
Los Angeles, CA
13.1M10K5K1M
85°
66°
0%

Run for PB& J 5K/10K/13.1 LOS ANGELES

Aug 15, 2026
Los Angeles, CA
13.1M10K5K1M
85°
66°
0%

Run for PB& J 5K/10K/13.1 SACRAMENTO

Aug 15, 2026
Sacramento, CA
13.1M10K5K1M
94°
61°
0%

Run for PB& J 5K/10K/13.1 SAN DIEGO

Aug 15, 2026
San Diego, CA
13.1M10K5K1M
78°
68°
0%

Run for PB& J 5K/10K/13.1 SAN FRANCISCO

Aug 15, 2026
San Francisco, CA
13.1M10K5K1M
67°
56°
0%

Bagel Run 5K/10K/13.1 SACRAMENTO

Aug 15, 2026
Sacramento, CA
13.1M10K5K1M
94°
61°
0%

Bagel Run 5K/10K/13.1 SAN DIEGO

Aug 15, 2026
San Diego, CA
13.1M10K5K1M
78°
68°
0%

Bagel Run 5K/10K/13.1 SAN FRANCISCO

Aug 15, 2026
San Francisco, CA
13.1M10K5K1M
67°
56°
0%
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