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Half Marathons Found In San Diego, California

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Half Marathons in & near San Diego, California 2025 - 2026

The most comprehensive list of Half Marathons in and near San Diego, California in 2025 - 2026. 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

🚀Boosted

Thrive San Diego Half Marathon & 5K

San Diego, California
01 Nov 25
Free - $158.94
🚀Boosted

La Jolla Half Marathon & 5K

San Diego, California
16 May 26
$58.63 - $137.98

Offer

18% OFF with code: FINDARLEP

Feature your event at the top of the results

Palm Desert 1/2 Marathon & 5K

Palm Desert, California
15 Feb 26
$15.84 - $80.50

Run for the Beads - Mardi Gras Run 5K, 10K, & Half Marathon

Long Beach, California
15 Feb 26
$31.73 - $40.21

SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Huntington Beach, California
28 Feb 26
$43.40 - $1,041.00

St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO

San Diego, California
14 Mar 26
$32.80 - $48.70

Sloth Run 5K/10K/13.1 SAN DIEGO

San Diego, California
14 Mar 26
$32.80 - $48.70

The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon

Long Beach, California
15 Mar 26
$11.60 - $42.33

Beer City Half™ Long Beach

Long Beach, California
21 Mar 26
$27.50 - $96.40

RUNTHROUGH LONG BEACH 5K, 10K & HALF MARATHON RACE WEEKEND

Long Beach, Los Angeles County
28 Mar 26 - 29 Mar 26
$30.00 - $42.00

Always Hope Easter Run 5K/10K/13.1 SAN DIEGO

San Diego, California
04 Apr 26
$32.80 - $48.70

Bedrock Valley Trail Runs

Hemet, California
11 Apr 26 - 12 Apr 26
$16.90 - $112.30

Run for the Planet - Earth Day Celebration 5K, 10K, and Half Marathon

Huntington Beach, California
18 Apr 26
$42.33 - $52.93

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

San Diego, California
25 Apr 26
$32.80 - $48.70

The Hoag OC Marathon Running Festival

Costa Mesa, California
02 May 26
Free - $147.06

La Jolla Half Marathon & 5K

San Diego, California
16 May 26
$58.63 - $137.98

Offer

18% OFF with code: FINDARLEP

Wrigley River Run & Tadpole Trot

Long Beach, California
06 Jun 26
$6.30 - $80.50

Teaching & Learning Collaborative Charity Group Registration (2025 Disneyland® Halloween Half Marathon Weekend )

Anaheim, California
05 Sep 25 - 07 Sep 25
$34.29 - $1,893.80

Disneyland® Halloween Half Marathon Weekend 2025

Anaheim, California
05 Sep 25 - 11 Sep 25
$138.80 - $284.50

2025 PRE-SALE Thrive San Diego Half Marathon & 5K

San Diego, California
01 Nov 25
$31.74 - $84.74

The 2026 Hoag OC Marathon Running Festival (Expo Registration)

Costa Mesa, California
02 May 26
$33.70 - $125.26

71st Annual Fontana Days Run

Fontana, California
06 Jun 26
$18.20 - $74.36

Pre Reg 2027 Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials

Long Beach, California
05 Jun 27
$6.30 - $75.20
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