RunEmu

Half Marathon Races in California (Page 9)

Browse 247+ upcoming half marathon races in California.

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Bandit Ultra Trail

Sep 26, 2026
Simi Valley, CA
31.1M18.6M9.3M
92°
57°
1%

Oktoberfest Run 5K/10K/13.1 LOS ANGELES

Sep 26, 2026
Los Angeles, CA
13.1M10K5K1M
83°
64°
2%

Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sep 26, 2026
Sacramento, CA
13.1M10K5K1M
86°
58°
1%

Oktoberfest Run 5K/10K/13.1 SAN DIEGO

Sep 26, 2026
San Diego, CA
13.1M10K5K1M
78°
66°
1%

Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

Sep 26, 2026
San Francisco, CA
13.1M10K5K1M
71°
56°
2%

Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon by Califlow Runs

Sep 27, 2026
Long Beach, CA
13.1M6.2M3.1M
82°
63°
1%

Back On The Ranch Trail Run

Oct 3, 2026
Los Olivos, CA
48HR24HR12HR6HR3HR
88°
48°
1%

Mean Girls 5K, 10K & Half Marathon

Oct 3, 2026
Canoga Park, CA
13.1M10K5K
89°
56°
2%

Kokanee Trail Runs

Oct 4, 2026
South Lake Tahoe, CA
1/2 Marathon12M10K5K
66°
33°
5%

Judgment Day Half Marathon, 10K & 5K Run/Walk

Oct 4, 2026
Bakersfield, CA
13.1M6.2M3.1M
85°
59°
0%

Peace Officer Memorial Run

Oct 4, 2026
Modesto, CA
13.1M3.1M0.6M
83°
55°
1%

Redding Breakfast Lions Turtle Bay Run 2026

Oct 4, 2026
Redding, CA
13.1M10K2M
84°
54°
4%

Sunset & Cider Trail Races

Oct 10, 2026
Auburn, CA
31.1M13M5M
78°
51°
6%

Ruth Anderson Memorial Endurance Run

Oct 10, 2026
San Francisco, CA
50M31.1M4.5M
71°
56°
3%

Scarecrow 2.0

Oct 10, 2026
Exeter, CA
100M6.2M2M0.5M
85°
52°
2%

2026 Humboldt Redwoods Marathon, Half Marathon, 5K

Oct 11, 2026
Honeydew, CA
26.2M13.1M3.1M
63°
48°
10%

Bizz Johnson

Oct 11, 2026
Susanville, CA
13.1M10K
68°
34°
6%

Champion Mine Trail Race

Oct 11, 2026
Nevada City, CA
13.1M3.1M
72°
48°
8%

Cahuilla Rez Ultra

Oct 17, 2026
Anza, CA
100M24HR12HR6HR1/2 Marathon
83°
56°
2%

California Gold Rush Trail Run - Fall

Oct 17, 2026
Coloma, CA
1/2 Marathon9.3M10K5K1M
75°
49°
7%
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