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.

Run Juneteenth Day 5K/10K/13.1 SACRAMENTO

Sat, Jun 20 · Sacramento, CA Sacramento

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

From $30 Closed

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Sloth Run 5K/10K/13.1 SAN FRANCISCO

Sat, Jun 20 · 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 Closing Soon

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Sloth Run 5K/10K/13.1 SAN DIEGO

Sat, Jun 20 · 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 Closed

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

Sat, Jun 20 · San Diego, CA San Diego

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

From $30 Closed

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

Sat, Jun 20 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open Closing Soon

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

Sat, Jun 20 · San Francisco, CA San Francisco

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

From $30 Open Closing Soon

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Sloth Run 5K/10K/13.1 LOS ANGELES

Sat, Jun 20 · Los Angeles, CA Los Angeles

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

From $30 Open Closing Soon

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

Sat, Jun 20 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open Closing Soon

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Sloth Run 5K/10K/13.1 SACRAMENTO

Sat, Jun 20 · 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 Closed

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Sugar Daddy Race

Sat, Jun 20 · Santa Clarita, CA Santa Clarita

Kids Fun Run5K10K +1

From $35 Open

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Presidio Half Marathon

Sun, Jun 21 · San Francisco, CA San Francisco

5K Stroll5K Run10K +1

Closed

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La Noche de La Llorona Run SummerWeen Series 5K 10K Half by Califlow Runs

Sun, Jun 21 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $25 Open Closing Soon

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Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon

Sun, Jun 21 · Long Beach, CA Long Beach

5k10K10-Mile +1

From $29.5 Open Closing Soon

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

Sat, Jun 27 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open Closing Soon

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Goleta Beach Half Marathon, 10K, 5K, Kid's 1-Mile

Sat, Jun 27 · Goleta, CA Goleta

Kid's 1-Mile5K10K (6.65 miles) +1

From $20 Open Closing Soon

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Alien Run – 5K, 10K, 10M, and Half Marathon

Sun, Jun 28 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $29.5 Open Closing Soon

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July 4th Run 5K/10K/13.1 LOS ANGELES

Sat, Jul 4 · 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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July 4th Run 5K/10K/13.1 SAN DIEGO

Sat, Jul 4 · 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 Chocolate 5K/10K/13.1 SAN DIEGO

Sat, Jul 4 · 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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Red, White & Blue Race

Sat, Jul 4 · Fort Bragg, CA Fort Bragg

Kiddie Race5K Fun Run/Walk10K +1

From $25 Open Closing Soon

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July 4th Run 5K/10K/13.1 SAN FRANCISCO

Sat, Jul 4 · San Mateo, CA San Mateo

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

From $30 Open

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Run for Chocolate 5K/10K/13.1 SACRAMENTO

Sat, Jul 4 · Sacramento, CA Sacramento

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Closed

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July 4th Run 5K/10K/13.1 SACRAMENTO

Sat, Jul 4 · Sacramento, CA Sacramento

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

From $30 Closed

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

Sat, Jul 4 · San Mateo, CA San Mateo

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

From $30 Open

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

Sat, Jul 4 · 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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Red, White, and Run – 5K, 10K, and Half Marathon

Sun, Jul 5 · Long Beach, CA Long Beach

5k10KHalf Marathon

From $29.5 Open

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Give Back Lead Forward Global Run/Walk/Bike 2026

Tue, Jul 7 · Mountain View, CA Mountain View

5K (3.1M) Virtual Run or Walk10,000 Steps at the Ranch in Napa Valley (July 11-12 )10,000 Steps at the Ranch in Napa Valley (August 1-2) +4

From $27.99 Open Closing Soon 6 spots left

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

Sat, Jul 11 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open Closing Soon

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Beer City Half™ Alameda

Sat, Jul 11 · Alameda, CA Alameda

5k10kHalf Marathon +5

From $0 Open Closing Soon

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LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon

Sun, Jul 12 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $29.5 Open

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Brian Waterbury Memorial Rock to Pier Run

Sat, Jul 18 · Morro Bay, CA Morro Bay

Virtual Rock to Pier10k Run1/2 Marathon

From $55 Open Closing Soon

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Bad Bass

Sat, Jul 18 · Castro Valley, CA Castro Valley

5K10KRemote Runner +1

From $55 Open Closing Soon

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Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO

Sat, Jul 25 · San Francisco, CA San Francisco

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

From $30 Open

Register →

Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO

Sat, Jul 25 · 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

Register →

Run for Donuts 5K/10K/13.1 SACRAMENTO

Sat, Jul 25 · Sacramento, CA Sacramento

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

From $30 Open

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

Sat, Jul 25 · San Diego, CA San Diego

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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

Sat, Jul 25 · San Francisco, CA San Francisco

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

From $30 Open

Register →

Run for Donuts 5K/10K/13.1 LOS ANGELES

Sat, Jul 25 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →

Run for Coffee Lovers 5K/10K/13.1 SAN DIEGO

Sat, Jul 25 · San Diego, CA San Diego

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

From $30 Open

Register →

Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES

Sat, Jul 25 · Los Angeles, CA Los Angeles

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

From $30 Open

Register →

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

Sat, Jul 25 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open Closing Soon

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Half-Marathon Training for Fun & Fitness

Sun, Jul 26 · Grass Valley, CA Grass Valley

Half-Marathon Training to Run for Fun and Fitness!

From $40 Open

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

Sun, Jul 26 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $25 Open Closing Soon

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Dog Days of Summer – 5K, 10K, 10M, and Half Marathon

Sat, Aug 1 · Long Beach, CA Long Beach

Doggie Dash 1 Mile5k10K +2

From $10 Open

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Tiki Time Run: Paradise Run 5K, 10K, & Half Marathon by Califlow Runs

Sat, Aug 1 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open

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

Sat, Aug 1 · Green Valley Lake, CA Green Valley Lake

Green Valley Lake 5kGreen Valley Lake 10KGreen Valley Lake Half Marathon

From $40 Open Closing Soon

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Summer Breeze

Sat, Aug 1 · San Leandro, CA San Leandro

5K10KHALF MARATHON +1

From $50 Open Closing Soon

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Noyo Headlands Race

Sat, Aug 8 · Fort Bragg, CA Fort Bragg

Kids' 1/2 Mile Run5K Run5K Fun Walk +2

From $10 Open

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Hell Of A Half Marathon & 2 Person Relay

Sat, Aug 8 · Exeter, CA Exeter

Virtual Half MarathonFemale 2-Person Relay (each member)Male 2-Person Relay (each member) +2

From $65 Open

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Bear Creek

Sat, Aug 8 · Orinda, CA Orinda

5K10KHiker Division +1

Closed

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