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Half Marathon Races in California (Page 10)

Browse 247+ upcoming half marathon races in California.

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The Jackalope Lope

Oct 17, 2026
Redding, CA
31.1M20M8M
79°
50°
6%

SPACEROCK Trail Race

Oct 17, 2026
Agua Dulce, CA
13.9M8.9M10K5K
81°
50°
1%

Heart of Cool Trail Run

Oct 17, 2026
Cool, CA
13.1M6.2M3.1M
75°
49°
7%

Back to the Future: 88 MPH Dash 5K, 10K & Half

Oct 17, 2026
Canoga Park, CA
13.1M10K5K
86°
53°
2%

Lake Hodges Trail Festival

Oct 17, 2026
San Diego, CA
316M23M15.6M9.3M6.4M3.1M1M
76°
62°
2%

MISSION INN RUN

Oct 18, 2026
Riverside, CA
500M13.1M10K5K
83°
56°
1%

Fleet Feet Fall Classic - Trail October 18th, 2026

Oct 18, 2026
Chico, CA
13.1M4M
73°
46°
9%

Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Oct 18, 2026
Huntington Beach, CA
13.1M6.2M3.1M
79°
61°
1%

Weekend at Burney

Oct 22, 2026
Burney, CA
48HR24HR12HR12HR4.6M
68°
38°
11%

No Name Trail Races

Oct 24, 2026
Agoura Hills, CA
31.1M1/2 Marathon5K
85°
52°
2%

DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)

Oct 24, 2026
Bakersfield, CA
13.1M3.1M2M
77°
53°
1%

Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Oct 24, 2026
Malibu, CA
13.1M5M5K
85°
52°
2%

Day of The Dead 5K & 10k

Oct 25, 2026
Fair Oaks, CA
800M6.2M3.2M
76°
51°
4%

Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs

Oct 25, 2026
Long Beach, CA
13.1M6.2M3.1M
79°
58°
1%

Range of Light Trail Races

Oct 26, 2026
Bishop, CA
31.1M20.5M10K5K
74°
34°
1%

Machete Muertos 200

Oct 28, 2026
Perris, CA
200M100M50M20M10M
83°
51°
1%

ZombieRunner Halloween

Oct 31, 2026
San Jose, CA
26.2M13.1M10K5K2M028M
73°
50°
3%

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

Oct 31, 2026
Los Angeles, CA
13.1M10K5K1M
79°
58°
2%

The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs

Oct 31, 2026
Long Beach, CA
13.1M6.2M3.1M
78°
57°
1%

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

Oct 31, 2026
Sacramento, CA
13.1M10K5K1M
73°
49°
5%
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