Half Marathons in California — 2026

There are 226 half marathons in California scheduled for 2026. The next is the Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon in Long Beach on September 6. California half marathons run primarily September through August.

Polar Bear Run 5K, 10K, and Half Marathon by Califlow Runs

Sat, Jan 23 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open

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Run for Donut SAN DIEGO

Sat, Jan 30 · 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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Run for Donut SACRAMENTO

Sat, Jan 30 · 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 SACRAMENTO

Sat, Jan 30 · Sacramento, CA Sacramento

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

From $30 Open

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Run for Donut SAN FRANCISCO

Sat, Jan 30 · 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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Coffee Lover Run SAN DIEGO

Sat, Jan 30 · 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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Coffee Lover Run LOS ANGELES

Sat, Jan 30 · 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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Rotary Mission Ten - Half Marathon, 10 Mile and 5K

Sat, Jan 30 · San Juan Bautista, CA San Juan Bautista

Kid's 1 Mile Fun Run5K10 Mile +1

From $20 Open

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Coffee Lover Run SAN FRANCISCO

Sat, Jan 30 · 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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Run for Donut LOS ANGELES

Sat, Jan 30 · 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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Turner's Tuff Ten

Sat, Feb 6 · Jamestown, CA Jamestown

Turner's Tuff Ten 10kTurner's Tuff Ten Full

From $25 Closed

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Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs

Sat, Feb 6 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $25 Open

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Griffith Park Run

Sat, Feb 6 · Los Angeles, CA Los Angeles

5K Run/Walk1/2 MarathonTop Dog Division (No shirt included)

From $55 Open

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Valentine's Day Run 5K/10K/13.1 LOS ANGELES

Sat, Feb 13 · Los Angeles, CA Los Angeles

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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Valentine's Day Run 5K/10K/13.1 SAN FRANCISCO

Sat, Feb 13 · San Francisco, CA San Francisco

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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Valentine's Day Run 5K/10K/13.1 SAN DIEGO

Sat, Feb 13 · 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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Run for Chocolate 5K/10K/13.1 SAN FRANCISCO

Sat, Feb 13 · San Francisco, CA San Francisco

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

From $30 Open

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

Sat, Feb 13 · 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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Run for Chocolate 5K/10K/13.1 LOS ANGELES

Sat, Feb 13 · Los Angeles, CA Los Angeles

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 for Chocolate 5K/10K/13.1 SACRAMENTO

Sat, Feb 13 · Sacramento, CA Sacramento

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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The HEART RUN Half Marathon & 5K/10K

Sat, Feb 13 · Huntington Beach, CA Huntington Beach

The HEART RUN 5KThe HEART RUN Half Marathon 13.1 milesKid's DASH :200 yard TOT TROT /600 yards Kid's 4 to 11 +1

From $28 Open

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Valentine's Day Run 5K/10K/13.1 SACRAMENTO

Sat, Feb 13 · Sacramento, CA Sacramento

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

From $30 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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Palm Desert 1/2 Marathon & 5K

Sun, Feb 14 · Palm Desert, CA Palm Desert

1K Kid's RunVirtual 5K5K +3

From $16 Open

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Beer City Half™ Santa Rosa

Sat, Feb 20 · Santa Rosa, CA Santa Rosa

Beat the Beast Beer MileThe Beer StrollThe Beer Stroll +9

From $15 Closed

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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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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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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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Mojave Half Marathon

Sat, Mar 13 · Twentynine Palms, CA Twentynine Palms

Mojave Half MarathonMojave Half Marathon

From $50 Closed

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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 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/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 FRANCISCO

Sat, Mar 20 · 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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Beer City Half™ Long Beach

Sat, Mar 20 · Long Beach, CA Long Beach

Beat The Beast Beer MileBeer StrollBeer Stroll +9

From $25 Closed 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 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 RunVirtual Run Registration5K 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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SuperHeroes 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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Always Hope Easter 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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SuperHeroes Run SAN FRANCISCO

Sat, Mar 27 · San Francisco, CA San Francisco

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

From $30 Open

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SuperHeroes Run SACRAMENTO

Sat, Mar 27 · Sacramento, CA Sacramento

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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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 Bagels 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 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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Run for Bagels 5K/10K/13.1 SACRAMENTO

Sat, Apr 10 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Run for Bagels 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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San Diego Beach & Bay Half Marathon

Sat, Apr 10 · San Diego, CA San Diego

5K5K10K +9

From $0 Open

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