Half Marathons in California — 2026

There are 247 half marathons in California scheduled for 2026. The next is the Oakland Hills Trail Run in Oakland on October 24. California half marathons run primarily October through August.

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

Sat, Nov 28 · 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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Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN DIEGO

Sat, Nov 28 · 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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Quarry Turkey

Sat, Nov 28 · Fremont, CA Fremont

5K10KHalf Marathon +1

From $50 Open

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Thanksgiving Gobble Trot Run 5K/10K/13.1 SACRAMENTO

Sat, Nov 28 · 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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Peacock Gap Trail Run

Sat, Dec 5 · San Rafael, CA San Rafael

10KHalf Marathon30K

Closed

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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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37th Annual Lopers Club Holiday Classic Half Marathon, 10K, and 5K

Sun, Dec 6 · Loma Linda, CA Loma Linda

37th Annual Lopers Club Holiday Classic Elves' Trot37th Annual Lopers Club Holiday Classic 5K37th Annual Lopers Club Holiday Classic Half Marathon +1

From $10 Open Closing Soon 50 spots left

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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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The Improve Every Day Half Marathon

Sat, Dec 12 · San Diego, CA San Diego

The Improve Every Day Half Marathon

From $45 Open

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Run for Breast Cancer 5K/10K/13.1 SACRAMENTO

Sat, Dec 12 · Sacramento, CA Sacramento

Family 1 Mile Fun RunVirtual Run Registration5K 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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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 SACRAMENTO

Sat, Dec 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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Sunrise Marathon 5K/10K/13.1 SAN DIEGO

Sat, Dec 12 · 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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Holiday Half Marathon, 10K (6.65 miles), 5K, Fun Run (1 mile)

Sat, Dec 12 · Goleta, CA Goleta

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

From $15 Open Closing Soon

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

From $30 Open

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12K's of Christmas

Sat, Dec 12 · Redding, CA Redding

2 Turtle Dove Mile ( Kids 14 & Under) 2M2 Turtle Dove Mile (2M)12K's of Christmas (12K)

From $15 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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Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 12 · 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

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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/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/10K/13.1 Eco-Registration (No Shirt)5K 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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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 Closing Soon

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San Diego Holiday Half Marathon & 5K

Sat, Dec 19 · San Diego, CA San Diego

5KHalf Marathon

From $39 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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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 SAN DIEGO

Sat, Dec 26 · San Diego, CA San Diego

Family 1 Mile Fun Run5K/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 SACRAMENTO

Sat, Dec 26 · 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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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 Registration +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

Register →

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

Sat, Dec 26 · San Mateo, CA San Mateo

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 SACRAMENTO

Sat, Dec 26 · Sacramento, CA Sacramento

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

Sat, Dec 26 · San Mateo, CA San Mateo

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

Fri, Jan 1 · Castro Valley, CA Castro Valley

NYE 5KNYE 10KNYE HALF MARATHON +1

From $50 Open Closing Soon

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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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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 +4

From $32 Open Closing Soon

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

Sun, Jan 3 · Long Beach, CA Long Beach

5k10-Miler10K +1

From $24.5 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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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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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 Closing Soon

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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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Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Sat, Jan 16 · Los Angeles, CA Los Angeles

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →