RunEmu

Half Marathon Races in California (Page 2)

Browse 247+ upcoming half marathon races in California.

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Grasshopper Peak Redwoods Run

Jun 6, 2026
Honeydew, CA
18.6M10.5M
62°
50°
4%

Wrigley River Run & Tadpole Trot

Jun 6, 2026
Long Beach, CA
13.1M10M10K5K0.6M
75°
60°
0%

Shadow of the Giants 50k & 20k Run

Jun 6, 2026
Fish Camp, CA
31.1M12.4M
65°
50°
5%

71st Annual Fontana Days Run

Jun 6, 2026
Fontana, CA
13.1M5K0.6M
84°
59°
0%

Fun Day Run Day 5K. 10K. Half Marathon by Califlow Runs

Jun 6, 2026
Long Beach, CA
13.1M6.2M3.1M
75°
60°
0%

Mt. Umunhum Ultras

Jun 6, 2026
San Jose, CA
52M31.1M26.2M18.6M13.1M9M10K5K
78°
55°
1%

Shadow of the Giants 50K and 20K Run

Jun 6, 2026
Fish Camp, CA
31.1M12.4M
65°
50°
5%

Fontana Days Run

Jun 6, 2026
Fontana, CA
13.1M5K
84°
59°
0%

Fun in the Sun Half Marathon

Jun 6, 2026
Long Beach, CA
13.1M9.3M10K5K
75°
60°
0%

Runbelievable -Super Hero Run 5K. 10K. Half Marathon by Califlow Runs

Jun 6, 2026
Long Beach, CA
13.1M6.2M3.1M
75°
60°
0%

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

Jun 7, 2026
Castro Valley, CA
13.1M3.1M
73°
55°
1%

Griffith Park Trail Marathon Relay & 8K

Jun 7, 2026
Los Angeles, CA
26.2M5M
76°
61°
0%

Griffith Park Trail Marathon Relay and 8K

Jun 7, 2026
Los Angeles, CA
26.2M5M
76°
61°
0%

Lake Chabot Trail Challenge

Jun 7, 2026
Castro Valley, CA
13.1M5K
73°
55°
1%

Seaside Marathon

Jun 7, 2026
Ventura, CA
26.2M13.1M10K5K
70°
57°
0%

Cool Moon Trail Races

Jun 13, 2026
Cool, CA
62.1M50M25M13.5M11.5M5K
84°
56°
3%

The Pena Passage

Jun 13, 2026
Vacaville, CA
18.6M10K5K0.6M
89°
58°
1%

WICKED FAST MARATHON & HALF MARATHON SAN DIEGO

Jun 13, 2026
El Cajon, CA
26.2M13.1M
81°
60°
0%

Holcomb Valley Trail Run

Jun 13, 2026
Big Bear Lake, CA
33M14M7M
90°
64°
0%

Olympic Valley Half Marathon and 8 Miler

Jun 13, 2026
Olympic Valley, CA
13.1M8M
70°
40°
2%
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