Half Marathons in California — 2026

There are 222 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.

Mash + Dash – 5K, 10K, 10-Miler, Half Marathon

Sat, Nov 28 · Long Beach, CA Long Beach

5k10K10-Miler +1

From $24.5 Open

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Merry Miles- 5K, 10K, and Half Marathon by Califlow Runs

Sun, Dec 6 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $38.99 Open

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Jingle Bell Jog – 5K, 10K, 10-Miler, Half Marathon

Sun, Dec 6 · Long Beach, CA Long Beach

5k10-Miler10K +1

From $24.5 Open

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12K's of Christmas

Sat, Dec 12 · Redding, CA Redding

2 Turtle Dove Mile (2M)2 Turtle Dove Mile ( Kids 14 & Under) 2M12K's of Christmas (12K)

From $15 Open

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

Sat, Dec 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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Run for Breast Cancer 5K/10K/13.1 SACRAMENTO

Sat, Dec 12 · Sacramento, CA Sacramento

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 SAN DIEGO

Sat, Dec 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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Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5K

Sat, Dec 12 · Oxnard, CA Oxnard

Kids 1KDiaper Dash5K +2

From $10 Open 20 spots left

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Holiday Half Marathon, 10K (6.65 miles), 5K, Fun Run (0.88 miles)

Sat, Dec 12 · Goleta, CA Goleta

Fun Run (0.88 miles)5KThe Grinch 10K (6.65 miles) +1

From $15 Open

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Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 12 · 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 Breast Cancer 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 12 · San Francisco, CA San Francisco

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Summit Rock

Sat, Dec 12 · Saratoga, CA Saratoga

5K10KHALF MARATHON +1

From $55 Open

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Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sat, Dec 12 · 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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Run for Breast Cancer 5K/10K/13.1 LOS ANGELES

Sat, Dec 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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The Syty Half Marathon

Sat, Dec 12 · San Diego, CA San Diego

2026 Syty Half Marathon

From $45 Open 50 spots left

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Pulp Fiction: Royale with Speed 5K, 10K & 13.1

Sat, Dec 12 · Canoga Park, CA Canoga Park

The Ezekiel 5KJack Rabbit Slim’s 10KThe Quarter Pounder 13.1 +1

From $34.99 Open

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Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Sat, Dec 12 · Los Angeles, CA Los Angeles

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

From $30 Open

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Santa's Toy Trot – 5K, 10K, Half Marathon

Sun, Dec 13 · Santa Monica, CA Santa Monica

5k10KHalf Marathon

From $24.5 Open

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Santa Hustle Roseville

Sun, Dec 13 · Roseville, CA Roseville

Kids Dash5K10K +1

From $19.99 Open

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Winter Whirl – 5K, 10K, Half Marathon

Sat, Dec 19 · Fountain Valley, CA Fountain Valley

5k10KHalf Marathon

From $29.5 Open

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San Diego Holiday Half Marathon & 5K

Sat, Dec 19 · San Diego, CA San Diego

5KHalf Marathon

From $39 Open Closing Soon

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Chasing Santa – 5K, 10K, 10-Miler, Half Marathon

Sun, Dec 20 · Long Beach, CA Long Beach

5k10K10-Mile +1

From $24.5 Open

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Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow Runs

Fri, Dec 25 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $45.99 Open

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A Merry Christmas Run 5K/10K/13.1 SACRAMENTO

Sat, Dec 26 · Sacramento, CA Sacramento

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 LOS ANGELES

Sat, Dec 26 · 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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Ring Out the Old – 5K, 10K, Half Marathon

Sat, Dec 26 · Encino, CA Encino

5k10KHalf Marathon

From $29.5 Open

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A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 26 · San Mateo, CA San Mateo

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

From $30 Open

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New Year's Run 5K/10K/13.1 LOS ANGELES

Sat, Dec 26 · Los Angeles, CA Los Angeles

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

From $30 Open

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New Year's Run 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 26 · San Mateo, CA San Mateo

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

From $30 Open

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New Year's Run 5K/10K/13.1 SAN DIEGO

Sat, Dec 26 · San Diego, CA San Diego

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

From $30 Open

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New Year's Run 5K/10K/13.1 SACRAMENTO

Sat, Dec 26 · Sacramento, CA Sacramento

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)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

5k10 Miler10K +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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Brazen New Year's Day

Fri, Jan 1 · Castro Valley, CA Castro Valley

5K10KHALF MARATHON +1

From $50 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 Eve

Fri, Jan 1 · Castro Valley, CA Castro Valley

NYE 5KNYE 10KNYE HALF MARATHON +1

From $50 Open

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Griffith Park Resolution Run

Sun, Jan 3 · Los Angeles, CA Los Angeles

5K12KHalf Marathon +1

From $30 Open Closing Soon

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Chasing Churros 5K, 10K & Half Marathon by Califlow Runs

Sun, Jan 3 · Long Beach, CA Long Beach

5K10KHalf Marathon

From $42.99 Open Closing Soon

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Citrus Heritage Run

Sat, Jan 9 · Riverside, CA Riverside

Kids Fun Run5K10K +1

From $20 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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MLK Jr. Freedom Run 5K/10K/13.1 SAN FRANCISCO

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

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

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

Sat, Jan 16 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K 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

Register →

Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

Sat, Jan 16 · Los Angeles, CA Los Angeles

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +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

Register →

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 SACRAMENTO

Sat, Jan 16 · Sacramento, CA Sacramento

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

From $30 Open

Register →