Half Marathons in California — 2026

There are 247 half marathons in California scheduled for 2026. The next is the Oakland Hills Trail Run in Oakland on October 24. California half marathons run primarily October through August.

Davis Stampede

Sun, Feb 28 · Davis, CA Davis

2K2K5K +9

From $15 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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Run Through Redlands

Sun, Mar 7 · Redlands, CA Redlands

5K10KHalf Marathon +1

From $10 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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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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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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St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO

Sat, Mar 20 · San Diego, CA San Diego

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

From $30 Open

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Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sat, Mar 20 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +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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Beer City Half™ Long Beach

Sat, Mar 20 · Long Beach, CA Long Beach

Beer StrollBeat The Beast Beer MileBeer Stroll +9

From $25 Open Closing Soon 80 spots left

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

From $30 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 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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St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANCISCO

Sat, Mar 20 · San Francisco, CA San Francisco

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

From $30 Open

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

Sat, Mar 20 · Sacramento, CA Sacramento

Family Fun Run 1 Mile5K RegistrationVirtual 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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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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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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SuperHeroes Run LOS ANGELES

Sat, Mar 27 · 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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The Rabbit Run 5k & OC Challenge Wild Hare 5k & Half Marathon IRVINE

Sat, Mar 27 · Irvine, CA Irvine

Rabbit Run 5KEGGcellent COMBO: RUNNING BOTH RacesRabbit Run 5K +6

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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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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Always Hope Easter Run SAN FRANCISCO

Sat, Mar 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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Always Hope Easter Run SAN DIEGO

Sat, Mar 27 · San Diego, CA San Diego

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

From $30 Open

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SuperHeroes Run SAN FRANCISCO

Sat, Mar 27 · San Francisco, CA San Francisco

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

From $30 Open

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Always Hope Easter Run SACRAMENTO

Sat, Mar 27 · Sacramento, CA Sacramento

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

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 Run5K/10K/13.1 Eco-Registration (No Shirt)5K 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 Registration5K/10K/13.1 Eco-Registration (No Shirt) +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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Run for PB&J 5k/10k/13.1 LOS ANGELES

Sat, Apr 10 · Los Angeles, CA Los Angeles

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

From $30 Open

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Beer City San Francisco

Sun, Apr 11 · San Francisco, CA San Francisco

Beat The Beast Beer MileBeer Stroll5k +2

From $30 Closed

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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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California Classic Half Marathon

Sat, Apr 17 · Fresno, CA Fresno

Rock and Run 5k5k Run10k Run +7

From $45 Open

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Alameda Island Running Festival

Sat, Apr 17 · Alameda, CA Alameda

1 Mile Family Fun Run1 Mile Family Fun RunIsland 5k Run / Walk presented by Penumbra +7

From $0 Open

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Dolphin Dash – 5K, 10K, and Half Marathon

Sun, Apr 18 · Santa Monica, CA Santa Monica

5k10KHalf Marathon

From $24.5 Open

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Coffee Lover Run LOS ANGELES

Sat, Apr 24 · Los Angeles, CA Los Angeles

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

From $30 Open

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American River Parkway Half Marathon

Sat, Apr 24 · Carmichael, CA Carmichael

Kids Otter Dash5KRunner Half Marathon +1

From $15 Open

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Nail the Rail Half Marathon, 10K & 5K

Sat, Apr 24 · Shasta Lake, CA Shasta Lake

5K5K10K +3

From $29 Open

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Coffee Lover Run SAN DIEGO

Sat, Apr 24 · San Diego, CA San Diego

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

From $30 Open

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