Half Marathons Found In San Diego, California
View all ↓Half Marathons in & near San Diego, California 2026 - 2027
The most comprehensive list of Half Marathons in and near San Diego, California in 2026 - 2027. Find your perfect race!
If you’re looking for a half marathon with perfect weather and a chance to run fast, San Diego is hard to beat. With miles that roll along the Pacific coast and a race calendar packed with well-organized events, it’s no surprise runners travel here to chase personal bests.
You’ll find 13.1-mile routes that showcase ocean views, city streets, and lively neighborhoods, often with a breeze off the water to keep conditions cool. Many San Diego half marathons attract competitive fields, but there’s room for everyone, whether you’re aiming for a Boston qualifier or simply want to enjoy a scenic run away from winter weather.
These events pay attention to the details: chip timing, well-marked courses, aid stations where you need them, and medical support on standby. Multiple wave starts are common, making it easy to settle into your pace. San Diego’s active military community often adds an extra level of energy to race day, creating a supportive and motivating atmosphere.
If you’ve built your base with a San Diego 10k or are looking ahead to a San Diego marathon, a half marathon here is the perfect next step.
Want to explore more races in San Diego?
Or check out half marathons elsewhere in California:
Race Calendar: Half Marathons Found In San Diego, California
Temecula Half Marathon, 10K, 5K
Temecula, CaliforniaThrive San Diego Half Marathon & 5K
San Diego, CaliforniaLa Jolla Half Marathon, 10K, & 5K
La Jolla, CaliforniaOffer
Use code FARBST18 and get 18% off registration
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Besties Run 5K. 10K. Half Marathon , & Kids Dash
Long Beach, CaliforniaHeart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs
Long Beach, CaliforniaHappy Lunar New Year 5k 10k 15k Half Marathon
Long Beach, Los AngelesCupid Dash 5k, 10k, 15k, Half Marathon
Long Beach, Los AngelesRun for Chocolate 5K/10K/13.1 SAN DIEGO
San Diego, CaliforniaThe HEART RUN Half Marathon & 5K/10K
Huntington Beach, CaliforniaThe Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, CaliforniaPalm Desert 1/2 Marathon & 5K
Palm Desert, CaliforniaSOCAL River Marathon - 26.2 - 13.1 - 10K - 5K
Huntington Beach, CaliforniaRun Together Against Breast Cancer SAN DIEGO
San Diego, CaliforniaOcean Breeze 5k, 10k, 15k, Half Marathon
Long Beach, Los AngelesNavy Ten-Miler
Chula Vista, CaliforniaDisco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs
Long Beach, CaliforniaRun Through Redlands
Redlands, CaliforniaShe Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon
Long Beach, CaliforniaBeer City Half™ San Diego
San Diego, CaliforniaThe Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs
Long Beach, CaliforniaRockin' Shamrock 5k, 10k, 15k, Half Marathon
Long Beach, Los AngelesBeer City Half™ Long Beach
Long Beach, CaliforniaSunrise Marathon 5K/10K/13.1 SAN FRANCISCO
San Francisco, CaliforniaSunrise Marathon 5K/10K/13.1 SAN DIEGO
San Diego, CaliforniaSt. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO
San Diego, CaliforniaComo La Flor 5K. 10K, Half Marathon by Califlow Runs
Long Beach, CaliforniaBedrock Valley Trail Runs
Hemet, CaliforniaWorld Health Day: 5K 10K Half Marathon Running for a Better World by Califlow Runs
Long Beach, CaliforniaSan Diego Beach & Bay Half Marathon
San Diego, CaliforniaRun for Bagels 5K/10K/13.1 SAN DIEGO
San Diego, CaliforniaRun for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half Marathon
Long beach, CaliforniaThe Hoag OC Marathon Running Festival
Costa Mesa, CaliforniaRun, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon
Long Beach, CaliforniaMay the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, CaliforniaLong Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs
Long Beach, CaliforniaLa Jolla Half Marathon, 10K, & 5K
La Jolla, CaliforniaOffer
Use code FARBST18 and get 18% off registration
