Half Marathons in San Diego, California

There are 31 half marathons in San Diego, California in 2026. The next is the Run for Mental Health 5K/10K/13.1 SAN DIEGO on September 12.

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO

Sat, Sep 12 · San Diego, CA San Diego

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

From $30 Open Closing Soon

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Run for Mental Health 5K/10K/13.1 SAN DIEGO

Sat, Sep 12 · San Diego, CA San Diego

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

From $30 Open Closing Soon

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

Sat, Sep 26 · San Diego, CA San Diego

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

From $30 Closed

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Oktoberfest Run 5K/10K/13.1 SAN DIEGO

Sat, Sep 26 · San Diego, CA San Diego

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

From $30 Closed

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Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

Sun, Oct 4 · San Diego, CA San Diego

Road 5k10KHalf Marathon

From $29.5 Open

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Bagel Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 10 · San Diego, CA San Diego

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

From $30 Open

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

Sat, Oct 10 · San Diego, CA San Diego

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

From $30 Open

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Lake Hodges Trail Duathlon

Sun, Oct 18 · San Diego, CA San Diego

Triathlon Trail Duathlon- Run | Bike | Run

From $95 Open

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PB&J Fuel Run 5K/10K/13.1 SAN DIEGO

Sat, Oct 31 · San Diego, CA San Diego

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

From $30 Open

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

Sat, Oct 31 · San Diego, CA San Diego

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

From $30 Open

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

Sat, Nov 14 · San Diego, CA San Diego

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

From $30 Open

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Run for Mental Health 5K/10K/13.1 SAN DIEGO

Sat, Nov 14 · San Diego, CA San Diego

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

From $30 Open

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Thrive San Diego Half Marathon & 5K

Sat, Nov 14 · San Diego, CA San Diego

Virtual Virtual 5KCharity 5K - $250 fundraising commitment5K +4

From $0 Open

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

Sat, Nov 28 · San Diego, CA San Diego

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

Virtual 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 DIEGO

Sat, Dec 12 · San Diego, CA San Diego

Virtual 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

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

From $30 Open

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The Syty Half Marathon

Sat, Dec 12 · San Diego, CA San Diego

Road 2026 Syty Half Marathon

From $45 Open 50 spots left

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San Diego Holiday Half Marathon & 5K

Sat, Dec 19 · San Diego, CA San Diego

Road 5KHalf Marathon

From $39 Open Closing Soon

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

Sat, Dec 26 · San Diego, CA San Diego

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

Virtual Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +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

Virtual 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 SAN DIEGO

Sat, Jan 16 · San Diego, CA San Diego

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

From $30 Open

Register →

Run for Donut SAN DIEGO

Sat, Jan 30 · San Diego, CA San Diego

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

From $30 Open

Register →

Coffee Lover Run SAN DIEGO

Sat, Jan 30 · San Diego, CA San Diego

Virtual 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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Valentine's Day Run 5K/10K/13.1 SAN DIEGO

Sat, Feb 13 · San Diego, CA San Diego

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

From $30 Open

Register →

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

Sat, Feb 13 · San Diego, CA San Diego

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

From $30 Open

Register →

Sunrise Marathon 5K/10K/13.1 SAN DIEGO

Sat, Mar 20 · San Diego, CA San Diego

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

From $30 Open

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SuperHeroes Run SAN DIEGO

Sat, Mar 27 · San Diego, CA San Diego

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

From $30 Open

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San Diego Beach & Bay Half Marathon

Sat, Apr 10 · San Diego, CA San Diego

Virtual 5K5K10K +9

From $0 Open

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

Sat, Apr 10 · San Diego, CA San Diego

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

From $30 Open

Register →