Half Marathons in California — 2026

There are 256 half marathons in California scheduled for 2026. The next is the Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO in San Mateo on October 10. California half marathons run primarily October through August.

The Love Run – 5K, 10K, 10-Miler, Half Marathon

Sun, Feb 14 · Long Beach, CA Long Beach

5k10 Miler10K +1

From $24.5 Open

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Palm Desert 1/2 Marathon & 5K

Sun, Feb 14 · Palm Desert, CA Palm Desert

1K Kid's Run5KVirtual 5K +3

From $16 Open

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The Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow Runs

Sun, Feb 14 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $25 Open

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Beer City Half™ Santa Rosa

Sat, Feb 20 · Santa Rosa, CA Santa Rosa

The Beer StrollBeat the Beast Beer MileThe Beer Stroll +9

From $15 Closed

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Coastal Love Chase – 5K, 10K, 10-Miler, Half Marathon

Sun, Feb 21 · Long Beach, CA Long Beach

5k5k10K +5

From $24.5 Open

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Run Together Against Breast Cancer SAN DIEGO

Sat, Feb 27 · San Diego, CA San Diego

Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Run Together Against Breast Cancer SAN FRANCISCO

Sat, Feb 27 · San Francisco, CA San Francisco

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Run For Mental Health SAN DIEGO

Sat, Feb 27 · San Diego, CA San Diego

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Run For Mental Health SACRAMENTO

Sat, Feb 27 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Run For Mental Health LOS ANGELES

Sat, Feb 27 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Run Together Against Breast Cancer LOS ANGELES

Sat, Feb 27 · Los Angeles, CA Los Angeles

Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Run For Mental Health SAN FRANCISCO

Sat, Feb 27 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Run Together Against Breast Cancer SACRAMENTO

Sat, Feb 27 · Sacramento, CA Sacramento

Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Davis Stampede

Sun, Feb 28 · Davis, CA Davis

2K2K5K +9

From $15 Open

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Navy Ten-Miler

Sun, Feb 28 · Chula Vista, CA Chula Vista

NTM Youth RunNTM Youth RunNTM 5K +8

From $20 Open

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Bidwell Classic 5K, 10k and Half Marathon March 6th, 2027

Sat, Mar 6 · Chico, CA Chico

5K Run/Walk5K Run/Walk10k Run/Walk +3

From $35 Open

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Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs

Sat, Mar 6 · Long Beach, CA Long Beach

5K5K10K +3

From $38.99 Open

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She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon

Sun, Mar 7 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $40 Open

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Tesoro Viejo Spring Classic Half Marathon

Sun, Mar 7 · Madera, CA Madera

5k Run/Walk5k Run/Walk10k Run +5

From $40 Open

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Run Through Redlands

Sun, Mar 7 · Redlands, CA Redlands

5K10KHalf Marathon +1

From $10 Open

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The Terminator 2 Trot: 5K & 10K

Sat, Mar 13 · Canoga Park, CA Canoga Park

The Hasta La Vista 5KThe Hasta La Vista 5KThe Judgment Day 10K +4

From $34.99 Open 50 spots left

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Mojave Half Marathon & 10K

Sat, Mar 13 · Twentynine Palms, CA Twentynine Palms

10KMojave Half MarathonMojave Half Marathon

From $25 Open

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Silicon Valley Half Marathon

Sun, Mar 14 · San Jose, CA San Jose

5KHalf Marathon

From $70 Open

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Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

Sat, Mar 20 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 SAN DIEGO

Sat, Mar 20 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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St. Paddy's Day Lucky Run 5K/10K/13.1 LOS ANGELES

Sat, Mar 20 · Los Angeles, CA Los Angeles

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Beer City Half™ Long Beach

Sat, Mar 20 · Long Beach, CA Long Beach

Beat The Beast Beer MileBeat The Beast Beer MileBeer Stroll +9

From $25 Closed 80 spots left

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Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sat, Mar 20 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Sat, Mar 20 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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SuperHeroes Run LOS ANGELES

Sat, Mar 27 · Los Angeles, CA Los Angeles

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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SuperHeroes Run SAN FRANCISCO

Sat, Mar 27 · San Francisco, CA San Francisco

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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SuperHeroes Run SAN DIEGO

Sat, Mar 27 · San Diego, CA San Diego

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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SuperHeroes Run SACRAMENTO

Sat, Mar 27 · Sacramento, CA Sacramento

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Spring Fling Duathlon/5k

Sat, Mar 27 · Fresno, CA Fresno

Virtual 5kVirtual 5k5k Run/Walk +7

From $45 Closed

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Always Hope Easter Run LOS ANGELES

Sat, Mar 27 · Los Angeles, CA Los Angeles

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Como La Flor 5K. 10K, Half Marathon by Califlow Runs

Sat, Mar 27 · Long Beach, CA Long Beach

Kids & Family 1 Miler5K10K +1

From $30 Open

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RunThrough USA Long Beach 5k,10k & Half Marathon Race

Sat, Apr 3 · Long Beach, CA Long Beach

5k (3.1 miles)5k (3.1 miles)10k (6.2 Miles) +3

From $42 Open

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The Cobra 5Kai, 10Kai & Half Miyagithon

Sat, Apr 3 · Canoga Park, CA Canoga Park

The Cobra 5KaiThe Cobra 5KaiThe Cobra 10Kai +5

From $34.99 Open 20 spots left

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World Health Day: 5K 10K Half Marathon Running for a Better World by Califlow Runs

Sun, Apr 4 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $25 Open

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

Sat, Apr 10 · San Francisco, CA San Francisco

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Apr 10 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Sloth Run 5K/10K/13.1 SAN DIEGO

Sat, Apr 10 · San Diego, CA San Diego

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Sloth Run 5K/10K/13.1 SAN FRANCISCO

Sat, Apr 10 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Apr 10 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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San Diego Beach & Bay Half Marathon

Sat, Apr 10 · San Diego, CA San Diego

5K5K10K +9

From $0 Open

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

Sat, Apr 10 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Sloth Run 5K/10K/13.1 SACRAMENTO

Sat, Apr 10 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Sloth Run 5K/10K/13.1 LOS ANGELES

Sat, Apr 10 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Beer City San Francisco

Sun, Apr 11 · San Francisco, CA San Francisco

Beer StrollBeat The Beast Beer Mile5k +2

From $30 Open

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Run for the Planet – 5K, 10K, 10M, and Half Marathon

Sat, Apr 17 · Long Beach, CA Long Beach

5k5k10K +5

From $24.5 Open

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