RunEmu

Half Marathon Races in California

Browse 520+ upcoming half marathon races in California.

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Sycamore Canyon

Feb 28, 2026
Poway, CA
62.1M31.1M1/2 Marathon
67°
39°
10%

SoCalUltraTrail at Tejon Ranch

Feb 28, 2026
Lebec, CA
62.1M31.1M15.5M6.8M
56°
39°
6%

SoCal Ultra Trail at Tejon Ranch

Feb 28, 2026
Lebec, CA
62.1M31.1M15.5M6.8M
56°
39°
6%

Sycamore Canyon Trail Race

Feb 28, 2026
San Diego, CA
62.1M62.1M31.1M13.1M
67°
53°
7%

Oh the Places You'll Run

Feb 28, 2026
Long Beach, CA
13.1M10M10K
68°
49°
6%

Ocean Breeze Half Marathon

Feb 28, 2026
Long Beach, CA
13.1M9.3M10K5K
68°
49°
6%

Salmon Falls 50K

Feb 28, 2026
Pilot Hill, CA
31.1M1/2 Marathon
57°
38°
25%

Great Race | Virtual Edition

Feb 28, 2026
Los Angeles, CA
13.1M10M9.3M10K5K
70°
51°
8%

End of the Trail Half Marathon, 10K & 5K

Feb 28, 2026
Visalia, CA
13.1M10K5K
69°
43°
11%

Victory Race

Feb 28, 2026
Richmond, CA
13.1M10K5K
63°
45°
18%

SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Feb 28, 2026
Huntington Beach, CA
Marathon1/2 Marathon10K
68°
51°
6%

SOCAL Marathon

Feb 28, 2026
Huntington Beach, CA
26.2M13.1M10K5K
68°
51°
6%

Compton Run Club- Connecting Compton Relay Race

Feb 28, 2026
Compton, CA
13.3M
68°
52°
6%

End of the Trail Run

Feb 28, 2026
Visalia, CA
13.1M10K
69°
43°
11%

Angel Island

Mar 1, 2026
Belvedere, CA
15M10M5M
61°
48°
16%

Livermore Valley Half Marathon

Mar 1, 2026
Livermore, CA
13.1M
64°
42°
12%

Run Through Redlands

Mar 1, 2026
Redlands, CA
13.1M10K5K
71°
45°
6%

Napa Valley Marathon

Mar 1, 2026
Calistoga, CA
26.2M13.1M5K
58°
40°
20%

March Magic Half Marathon

Mar 1, 2026
Riverside, CA
13.1M9.3M10K5K
71°
45°
6%

Zoom Angel Island

Mar 1, 2026
Belvedere, CA
15M10M5M2M
61°
48°
16%
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