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.

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

Sat, Oct 10 · San Mateo, CA San Mateo

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

From $30 Open Closing Soon

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Cookie Run 5K/10K/13.1 SAN FRANCISCO

Sat, Oct 10 · San Mateo, CA San Mateo

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open Closing Soon

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Coffee Lovers Run 5K/10K/13.1 SACRAMENTO

Sat, Oct 10 · Sacramento, CA Sacramento

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

From $30 Open Closing Soon

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Cookie Run 5K/10K/13.1 SACRAMENTO

Sat, Oct 10 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open Closing Soon

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Cookie Run 5K/10K/13.1 LOS ANGELES

Sat, Oct 10 · Los Angeles, CA Los Angeles

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

From $30 Open Closing Soon

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

Sat, Oct 10 · Los Angeles, CA Los Angeles

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

From $30 Open Closing Soon

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Tour de Luke Charity Ride

Sat, Oct 10 · Lancaster, CA Lancaster

Pedal & PourVIP RiderPedal Only

From $10 Open Closing Soon

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Reservoir Dogs

Sat, Oct 10 · El Sobrante, CA El Sobrante

5K10KHalf Marathon +1

Closed

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Cookie Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 10 · San Diego, CA San Diego

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open Closing Soon

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

Sat, Oct 10 · 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 Closing Soon

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Bizz Johnson

Sun, Oct 11 · Susanville, CA Susanville

Express 10KExpress Half Marathon50K +1

From $55 Open 50 spots left

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Champion Mine Trail Race

Sun, Oct 11 · Nevada City, CA Nevada City

Champion Mine 5K Run/WalkChampion Mine 10K Race/WalkChampion Mine Trail Race Half Marathon

From $35 Open Closing Soon

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Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression Awareness

Sun, Oct 11 · Simi Valley, CA Simi Valley

Kids Fun Run5K Walk & Strollers5K Run +3

Closed

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Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon

Sat, Oct 17 · Long Beach, CA Long Beach

5k10 Miler10K +1

From $24.5 Open Closing Soon

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Back to the Future: 88 MPH Dash 5K, 10K & Half

Sat, Oct 17 · Canoga Park, CA Canoga Park

Enchantment Under the Run 5K NIGHT RUN88 MPH Sprint 5KThe Clock Tower Lightning 10K NIGHT RUN +3

From $34.99 Open Closing Soon

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2026 - City to the Sea Half Marathon & 5K

Sun, Oct 18 · San Luis Obispo, CA San Luis Obispo

City to the Sea 5KCity to the Sea Half Marathon

From $40 Open Closing Soon

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Lake Hodges Trail Duathlon

Sun, Oct 18 · San Diego, CA San Diego

Trail Duathlon- Run | Bike | Run

From $95 Open Closing Soon

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Oakland Hills Trail Run

Sat, Oct 24 · Oakland, CA Oakland

10KHalf Marathon35K

Closed

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The Praise Run 2026

Sat, Oct 24 · Victorville, CA Victorville

1 Mile Kids Fun Run1 Mile Kids Fun Run5K +5

From $39 Open

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Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Sat, Oct 24 · Malibu, CA Malibu

5KVirtual 5KCharity 5K +12

From $0 Open Closing Soon

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RunThrough USA Long Beach 5k,10k & Half Marathon Race

Sat, Oct 24 · Long Beach, CA Long Beach

5K (3.1 miles)10K (6.2 Miles)Half Marathon (13.1 Miles)

From $43.4 Open

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Spooky Shuffle – 5k, 10k, Half Marathon

Sun, Oct 25 · Van Nuys, CA Van Nuys

5k10KHalf Marathon

From $29.5 Open Closing Soon

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DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)

Fri, Oct 30 · Bakersfield, CA Bakersfield

2 MILE SPEED WALK5K RUN/WALKHALF MARATHON +1

From $0 Open

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Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES

Sat, Oct 31 · 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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PB&J Fuel Run 5K/10K/13.1 LOS ANGELES

Sat, Oct 31 · 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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PB&J Fuel Run 5K/10K/13.1 SAN FRANCISCO

Sat, Oct 31 · 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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Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCO

Sat, Oct 31 · 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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PB&J Fuel Run 5K/10K/13.1 SACRAMENTO

Sat, Oct 31 · Sacramento, CA Sacramento

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

From $30 Closed

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Halloween Trick or Trot Run 5K/10K/13.1 SACRAMENTO

Sat, Oct 31 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Closed

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Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 31 · 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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PB&J Fuel Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 31 · San Diego, CA San Diego

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

From $30 Open

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Halloween Leftovers – 5K, 10K, 10-Miler, Half Marathon

Sun, Nov 1 · Long Beach, CA Long Beach

5k10 Miler10K +1

From $24.5 Open

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Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow Runs

Sun, Nov 1 · Long beach, CA Long beach

1 Miler5K10K +1

From $25 Open

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Clarksburg Country Run

Sun, Nov 1 · Clarksburg, CA Clarksburg

Kids Fun Run - 1/2 Mile (Ages 12 and Under)Kids Fun Run - 1 Mile (Ages 12 and Under)5K +3

From $12.75 Open

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DINO DASH

Sun, Nov 1 · Tustin, CA Tustin

2K Fun Run/Walk5K Run/Walk5K Middle School +3

From $0 Open

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Beer City Half™ OC

Sat, Nov 7 · Santa Ana, CA Santa Ana

Beat the Beast Beer MileBeer Stroll5k +3

From $25 Open Closing Soon

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RunThrough San Francisco at Crissy Field 5k, 100k & Half Marathon

Sat, Nov 7 · San Francisco, CA San Francisco

5k10kHalf Marathon

From $43.63 Open

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Donut Runners Rejoice – 5K, 10K, 10-Miler, Half Marathon

Sun, Nov 8 · Long Beach, CA Long Beach

5k10K10 Miler +1

From $24.5 Open

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Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego

Sun, Nov 8 · Coronado, CA Coronado

5K Run/Walk5K - Duo Racer (Challenged Only)10 Mile - Enlisted /Veterans Military, Police and Fire, First Responders +8

From $21 Open

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Temecula Half Marathon, 10K, 5K

Sun, Nov 8 · Temecula, CA Temecula

5K Run/Walk10KHalf Marathon +2

From $30 Open

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RUN Colusa

Sun, Nov 8 · Colusa, CA Colusa

5k10k1/2 Marathon

From $25 Open

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Friday the 13th Night Race -Deranged Turkey Trot: 5K. 10K. Half Marathon by Califlow Runs

Fri, Nov 13 · Long Beach, CA Long Beach

5K: The Gobble Dash10K: The Stuffing SprintHalf Marathon

From $38.99 Open

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The Stuffing Shuffle – 5K, 10K, Half Marathon

Sat, Nov 14 · Fountain Valley, CA Fountain Valley

5k10KHalf Marathon

From $29.5 Open

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Veterans Day Freedom Run 5K/10K/13.1 SAN DIEGO

Sat, Nov 14 · San Diego, CA San Diego

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, Nov 14 · Sacramento, CA Sacramento

2-Mile Walk5K Run10K Run +1

From $35 Open

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Thrive San Diego Half Marathon & 5K

Sat, Nov 14 · San Diego, CA San Diego

5KVirtual 5KCharity 5K - $250 fundraising commitment +4

From $0 Open Closing Soon

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Veterans Day Freedom Run 5K/10K/13.1 SAN FRANCISCO

Sat, Nov 14 · 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

Register →

Veterans Day Freedom Run 5K/10K/13.1 LOS ANGELES

Sat, Nov 14 · 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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Veterans Day Freedom Run 5K/10K/13.1 SACRAMENTO

Sat, Nov 14 · 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 Mental Health 5K/10K/13.1 SACRAMENTO

Sat, Nov 14 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →