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.

A Merry Christmas Run 5K/10K/13.1 LOS ANGELES

Sat, Dec 26 · 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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A Merry Christmas Run 5K/10K/13.1 SAN DIEGO

Sat, Dec 26 · 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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Countdown to the Finish – 5K, 10K, 10-Miler, Half Marathon

Sun, Dec 27 · Long Beach, CA Long Beach

5k10K10 Miler +1

From $24.5 Open

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Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow Runs

Thu, Dec 31 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open

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Run In The New Year 5k/10K/Half Marathon

Fri, Jan 1 · Huntington Beach, CA Huntington Beach

Run In The New Year 5KRun In The New Year 10KRun in the NEW YEAR Half Marathon +2

From $32 Open

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Brazen New Year's Day

Fri, Jan 1 · Castro Valley, CA Castro Valley

5K10KHALF MARATHON +1

From $50 Open

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Brazen New Year's Eve

Fri, Jan 1 · Castro Valley, CA Castro Valley

NYE 5KNYE 10KNYE HALF MARATHON +1

From $50 Open

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New Year's Day Dash – 5K, 10K, 10-Miler, Half Marathon

Fri, Jan 1 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $24.5 Open

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The Coffee Cruise – 5K, 10K, 10-Miler, Half Marathon

Sun, Jan 3 · Long Beach, CA Long Beach

5k10K10-Miler +1

From $24.5 Open

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Churro Run 5K, 10K & Half Marathon by Califlow Runs

Sun, Jan 3 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $42.99 Open

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Griffith Park Resolution Run

Sun, Jan 3 · Los Angeles, CA Los Angeles

5K12KHalf Marathon +1

From $30 Open

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Grievances & Gratitude Run – New Year Reset 5K 10K Half Marathon

Sat, Jan 9 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $29.99 Open

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Citrus Heritage Run

Sat, Jan 9 · Riverside, CA Riverside

Kids Fun Run5K10K +1

From $20 Open

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The Cookie Classic - 5K, 10K, 10-Miler, Half Marathon

Sun, Jan 10 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $24.5 Open

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The Bagel Run – 5K, 10K, 10-Miler, Half Marathon

Sat, Jan 16 · Long Beach, CA Long Beach

5k10K10-Miler +1

From $24.5 Open

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MLK Jr. Freedom Run 5K/10K/13.1 SAN DIEGO

Sat, Jan 16 · 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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Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Sat, Jan 16 · 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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Define Your Glow - New Year Reset 5K, 10K, Half Marathon by Califlow Runs

Sat, Jan 16 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $45 Open

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MLK Jr. Freedom Run 5K/10K/13.1 SAN FRANCISCO

Sat, Jan 16 · 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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MLK Jr. Freedom Run 5K/10K/13.1 SACRAMENTO

Sat, Jan 16 · 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

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MLK Jr. Freedom Run 5K/10K/13.1 LOS ANGELES

Sat, Jan 16 · 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 SAN FRANCISCO

Sat, Jan 16 · 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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Sunrise Marathon 5K/10K/13.1 SAN DIEGO

Sat, Jan 16 · 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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Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sat, Jan 16 · Sacramento, CA Sacramento

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

From $30 Open

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Resolution Run for Coffee 5K/10K/13.1 - Roseville

Fri, Jan 22 · Rocklin, CA Rocklin

Resolution 5K for CoffeeResolution 10K for CoffeeResolution 13.1 miles for Coffee

From $35 Open

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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 FRANCISCO

Sat, Jan 30 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K RegistrationVirtual 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/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +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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Run for Donut SAN DIEGO

Sat, Jan 30 · San Diego, CA San Diego

Family 1 Mile Fun Run5K RegistrationVirtual 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 Registration5K/10K/13.1 Eco-Registration (No Shirt) +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 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 Donut LOS ANGELES

Sat, Jan 30 · 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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Coyote Hills

Sat, Jan 30 · Fremont, CA Fremont

5K10KHiker Division +2

From $45 Open

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Coffee Lover Run SAN FRANCISCO

Sat, Jan 30 · 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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Run for Donut SACRAMENTO

Sat, Jan 30 · Sacramento, CA Sacramento

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

From $30 Open

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Clueless & Breathless 5K, 10K & Half

Sat, Feb 6 · Canoga Park, CA Canoga Park

Clueless & Breathless 5KTotally Buggin’ 10KThe Alaïa Half Marathon +1

From $34.99 Open

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Run Your Heart Out – 5K, 10K, 10-Miler, Half Marathon

Sat, Feb 6 · Long Beach, CA Long Beach

5k10K10-Miler +1

From $24.5 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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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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Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs

Sun, Feb 7 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $25 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)5K Registration +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)Virtual Run Registration (5K/10K/13.1) +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 RegistrationVirtual Run Registration (5K/10K/13.1) +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 Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 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/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +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 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 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 LOS ANGELES

Sat, Feb 13 · 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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The HEART RUN Half Marathon & 5K/10K

Sat, Feb 13 · Huntington Beach, CA Huntington Beach

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

From $28 Open

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