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.

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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California Classic Half Marathon

Sat, Apr 17 · Fresno, CA Fresno

Rock and Run 5k5k Run10k Run +7

From $45 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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Run for Donut SAN FRANCISCO

Sat, Apr 24 · 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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Coffee Lover Run SAN DIEGO

Sat, Apr 24 · San Diego, CA San Diego

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

From $30 Open

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Run for Donut 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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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 SACRAMENTO

Sat, Apr 24 · 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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Coffee Lover Run SAN FRANCISCO

Sat, Apr 24 · 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 Donut SACRAMENTO

Sat, Apr 24 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Run for Donut SAN DIEGO

Sat, Apr 24 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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American River Parkway Half Marathon

Sat, Apr 24 · Carmichael, CA Carmichael

Kids Otter Dash5KWalker Half Marathon +1

From $15 Open

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Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

Sat, May 1 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $24.99 Open

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Run for Chocolate 5k/10k/13.1 LOS ANGELES

Sat, May 8 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Beer City Half™ Sacramento

Sat, May 8 · Sacramento, CA Sacramento

Beer StrollBeat the Beast Beer MileBeat the Beast Beer Mile +11

From $0 Open

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Run for Chocolate 5k/10k/13.1 SAN FRANCISCO

Sat, May 8 · San Francisco, CA San Francisco

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

From $30 Open

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Run for Chocolate 5k/10k/13.1 SAN DIEGO

Sat, May 8 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Run for Chocolate 5k/10k/13.1 SACRAMENTO

Sat, May 8 · 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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Trailquake

Sun, May 9 · Saratoga, CA Saratoga

5K5K10K +5

From $45 Open

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14th Annual Luc's Run

Sat, May 15 · Tuolumne, CA Tuolumne

Kids Run (10 & Under only)Virtual Run - Kids (10 & Under only)Kids Run (10 & Under only) +11

From $22 Open

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La Jolla Half Marathon, 10K, & 5K

Sat, May 15 · La Jolla, CA La Jolla

5k5k10k +3

From $44 Open

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La Llorona Run 5K 10K Half by Califlow Runs

Sun, May 16 · Long Beach, CA Long Beach

1 Miler1 Miler5K +5

From $25 Open

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17th Annual BEACHFRONT RUN

Sat, May 22 · Ventura, CA Ventura

Kids 1K RunKids 1K Run5K +5

From $20 Open

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SuperHeroes Run SAN DIEGO

Sat, May 29 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Beer City Half™ San Jose

Sat, May 29 · San Jose, CA San Jose

Beer StrollBeer StrollBeat the Beast Beer Mile +9

From $30 Open

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SuperHeroes Run LAS VEGAS

Sat, May 29 · Las Vegas, CA Las Vegas

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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SuperHeroes Run SACRAMENTO

Sat, May 29 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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SuperHeroes Run LOS ANGELES

Sat, May 29 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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SuperHeroes Run SAN FRANCISCO

Sat, May 29 · 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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Old Zoo Half Marathon

Sun, Jun 13 · Los Angeles, CA Los Angeles

12K12KHalf Marathon +1

From $49 Closed

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Sugar Daddy Race

Sat, Jun 19 · Santa Clarita, CA Santa Clarita

Kids Fun RunKids Fun Run5K +5

From $35 Open

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Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs

Sat, Jun 19 · Long Beach, CA Long Beach

5K5K10K +3

From $45.99 Open

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Run Juneteenth Day 5K/10K/13.1 LOS ANGELES

Sat, Jun 19 · 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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Run Juneteenth Day 5K/10K/13.1 SACRAMENTO

Sat, Jun 19 · Sacramento, CA Sacramento

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

From $30 Open

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Run Juneteenth Day 5K/10K/13.1 SAN FRANCISCO

Sat, Jun 19 · 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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Run Juneteenth Day 5K/10K/13.1 SAN DIEGO

Sat, Jun 19 · 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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Summertime in the LBC 5K, 10K, & Half Marathon by Califlow Runs

Sat, Jun 26 · Long Beach, CA Long Beach

5K5K10K +3

From $45.99 Open

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Red, White & Blue Race

Sat, Jul 3 · Fort Bragg, CA Fort Bragg

Kiddie RaceKiddie Race5K Fun Run/Walk +5

From $25 Open

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Endless Summer in the LBC 5K, 10K, & Half Marathon by Califlow Runs

Sat, Jul 10 · Long Beach, CA Long Beach

5K5K10K +3

From $38.99 Open

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Bidi Bidi Run Run 5K 10K Half Marathon by Califlow Runs

Sun, Jul 11 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $42.99 Open

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Brian Waterbury Memorial Rock to Pier Run

Sat, Jul 17 · Morro Bay, CA Morro Bay

Virtual Rock to PierVirtual Rock to Pier10k Run +3

From $55 Open

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LBC - Good Vibes Run 5K, 10K, & Half Marathon by Califlow Runs

Sat, Jul 24 · Long Beach, CA Long Beach

5K5K10K +3

From $45.99 Open

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Bad Bass

Sat, Jul 24 · Castro Valley, CA Castro Valley

5K5K10K +6

From $55 Closed

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BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow Runs

Sun, Jul 25 · Long Beach, CA Long Beach

1 Miler1 Miler5K +5

From $25 Open

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Green Valley Lake 5k/10k/& Half Marathon

Sat, Aug 7 · Green Valley Lake, CA Green Valley Lake

Green Valley Lake 5kGreen Valley Lake 5kGreen Valley Lake 10K +3

From $40 Open

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Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon by Califlow Runs

Sun, Aug 8 · Long Beach, CA Long Beach

5K5K10K +5

From $18 Open

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Double Dipsea

Sat, Aug 21 · Stinson Beach, CA Stinson Beach

DOUBLE DIPSEADOUBLE DIPSEADouble Dipsea entry - with $40 donation

From $180 Closed

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Idyllwild Race 5K / 10K

Sat, Aug 21 · Idyllwild, CA Idyllwild

Kids RunKids Run5k Run +9

From $5 Open 25 spots left

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Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs

Sun, Aug 22 · Long Beach, CA Long Beach

5K5K10K +3

From $45.99 Open

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