Half Marathons in California — 2026

There are 230 half marathons in California scheduled for 2026. The next is the Run Juneteenth Day 5K/10K/13.1 SACRAMENTO in Sacramento on June 20. California half marathons run primarily June through August.

Howl at the Moon – 5K, 10K, 10M, and Half Marathon

Sun, Aug 9 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $29.5 Open Closing Soon

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

Sun, Aug 9 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $18 Open

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Courage Triathlon 2026

Sat, Aug 15 · Lake Almanor, CA Lake Almanor

IndividualVirtual ParticipantVendor Registration +2

From $20 Open

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

Sat, Aug 15 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Bagel Run 5K/10K/13.1 LOS ANGELES

Sat, Aug 15 · 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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Beer City Half™ SLAM

Sat, Aug 15 · Fremont, CA Fremont

The Beer StrollTop Dog DashBeat the Beast Beer Mile +4

From $25 Closed 15 spots left

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

Sat, Aug 15 · 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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Bagel Run 5K/10K/13.1 SACRAMENTO

Sat, Aug 15 · Sacramento, CA Sacramento

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

From $30 Open

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Bagel Run 5K/10K/13.1 SAN DIEGO

Sat, Aug 15 · San Diego, CA San Diego

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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Bagel Run 5K/10K/13.1 SAN FRANCISCO

Sat, Aug 15 · 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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Run for PB& J 5K/10K/13.1 SACRAMENTO

Sat, Aug 15 · Sacramento, CA Sacramento

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, Aug 15 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Long Beach Easy Breezy 5K, 10K, & Half Marathon by Califlow Runs

Sun, Aug 16 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open

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Double Dipsea

Sat, Aug 22 · Stinson Beach, CA Stinson Beach

DOUBLE DIPSEADouble Dipsea entry - with $40 donation

From $180 Open

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One Love Run – 5K, 10K, 10M, and Half Marathon

Sun, Aug 23 · Long Beach, CA Long Beach

5k10 Miler10K +1

From $29.5 Open

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

Sun, Aug 23 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open

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Run for Breast Cancer 5K/10K/13.1 LOS ANGELES

Sat, Aug 29 · 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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Sloth Run 5K/10K/13.1 SAN FRANCISCO

Sat, Aug 29 · 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 for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

Sat, Aug 29 · 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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Move4Life's Half-Marathon

Sat, Aug 29 · Sacramento, CA Sacramento

2-Mile Walk5K Run10K Run +1

From $35 Open

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Run for Breast Cancer 5K/10K/13.1 SAN DIEGO

Sat, Aug 29 · 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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Run for Breast Cancer 5K/10K/13.1 SACRAMENTO

Sat, Aug 29 · 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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Sloth Run 5K/10K/13.1 SACRAMENTO

Sat, Aug 29 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Sloth Run 5K/10K/13.1 SAN DIEGO

Sat, Aug 29 · 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 LOS ANGELES

Sat, Aug 29 · Los Angeles, CA Los Angeles

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

From $30 Open

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Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

Sat, Aug 29 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $25 Open

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Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women

Sun, Aug 30 · Nevada City, CA Nevada City

Barbara Schmidt Millar Women's 5k Run/WalkBarbara Schmidt Millar Women's Triathlon Celebrating Life, Empowering WomenBarbara Schmidt Millar Women's Triathlon Relay Team

From $40 Closed

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Torrance Memorial Medical Center, BRA Run, Los Angeles

Sun, Aug 30 · Playa Del Rey, CA Playa Del Rey

Kids 1KVirtual 5K5K +5

From $12.5 Open Closing Soon 20 spots left

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Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon

Sun, Sep 6 · Long Beach, CA Long Beach

5k10K10-Miler +1

From $29.5 Open

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Run for Mental Health 5K/10K/13.1 SACRAMENTO

Sat, Sep 12 · Sacramento, CA Sacramento

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

From $30 Open

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National Chocolate Day: Run for Chocolates 5K/10K/13.1 SACRAMENTO

Sat, Sep 12 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Run for Mental Health 5K/10K/13.1 SAN DIEGO

Sat, Sep 12 · 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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Beer City Half™ Bishop Ranch

Sat, Sep 12 · San Ramon, CA San Ramon

Beer StrollBeat The Beast Beer Mile5k +3

From $25 Open

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Run for Mental Health 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 12 · 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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National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO

Sat, Sep 12 · 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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Step Up for Moms: Carry the Light Global Relay

Sat, Sep 12 · VISTA, CA VISTA

Step Up For Moms: Carry the Light Global RelayStep Up For Moms: Carry the Light Global Relay - Adult - Kids 12 and Under

From $25 Closed 29 spots left

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Run for Mental Health 5K/10K/13.1 LOS ANGELES

Sat, Sep 12 · 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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National Chocolate Day: Run for Chocolates 5K/10K/13.1 LOS ANGELES

Sat, Sep 12 · 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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National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 12 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs

Sun, Sep 13 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open Closing Soon

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Jurassic Jaunt – 5K, 10K, 10M, and Half Marathon

Sat, Sep 19 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $24.5 Open

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Run for Coffee 5k / 10k / 13.1 - Roseville

Sat, Sep 19 · Rocklin, CA Rocklin

Run for Coffee 5kRun for Coffee 10kRun for Coffee 13.1

From $35 Open

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Bayside Saved by the Bell 5K, 10K & Half Marathon

Sat, Sep 19 · Canoga Park, CA Canoga Park

Friends Forever 5KTime Out 10KHall Pass Half Marathon +1

From $34.99 Open

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La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs

Sun, Sep 20 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $28.99 Open Closing Soon

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Alameda Island Running Festival

Sun, Sep 20 · Alameda, CA Alameda

1 Mile Family Fun RunIsland 5k Run / Walk presented by PenumbraIsland 10K Run +1

From $25 Open

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

Sat, Sep 26 · 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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Run for Donuts 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 26 · 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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Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

Sat, Sep 26 · 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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Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sat, Sep 26 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Run for Donuts 5K/10K/13.1 SACRAMENTO

Sat, Sep 26 · Sacramento, CA Sacramento

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

From $30 Open

Register →