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Half Marathons Found In San Jose, California

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

The most comprehensive list of Half Marathons in and near San Jose, California in 2025 - 2026. Find your perfect race!

San Jose’s half marathons bring together the drive of Silicon Valley with a friendly, local race feel. These 13.1-mile events are popular with tech professionals and fitness enthusiasts who value a well-organized race and a course that challenges without overwhelming.

You’ll find routes that highlight the area’s variety, from flat, fast courses perfect for chasing a personal best to foothill stretches that add a bit of climb to your run. San Jose’s mild weather and smooth race management help you focus on your pacing, whether you’re aiming to beat your previous time or simply enjoy the distance in a welcoming environment.

Many events use advanced timing systems and detailed split tracking, which is great if you like reviewing your metrics post-race. You’ll often see local companies encouraging teams to take part, adding to the energy on the course and at the finish. If you’re stepping up from a San Jose 10k or planning a San Jose marathon, these half marathons are a natural next step.

Looking for more races in San Jose?

Or explore half marathons in other California cities:

Race Calendar: Half Marathons Found In San Jose, California

πŸš€Boosted

Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
07 Feb 26
$32.80 - $48.70
πŸš€Boosted

Diablo Trail Run

Clayton, California
07 Sep 25
Free - $85.80
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Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50

Beer City Halfβ„’ Alameda

Alameda, California
19 Jul 25
Free - $109.65

Run SF "Golden Gate City" 5K/10K/13.1 SUMMER

San Francisco, California
26 Jul 25
$32.80 - $52.94

Run Together Against Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
26 Jul 25
$32.80 - $52.94

Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO

Sacramento, California
02 Aug 25
$32.80 - $48.70

Singles & Friends Running Club 5K/10K/13.1 SACRAMENTO

Sacramento, California
02 Aug 25
$32.80 - $48.70

The Cookie Dash Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
16 Aug 25
$32.80 - $52.94

The Cookie Dash Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
16 Aug 25
$32.80 - $52.94

Beer City Halfβ„’ SLAM

Fremont, California
16 Aug 25
$27.50 - $109.65

Redwood (Summer) Trail Run

Oakland, California
16 Aug 25
Free - $85.80

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

San Francisco, California
16 Aug 25
$32.80 - $52.94

Run for Mental Health 5K/10K/13.1 SACRAMENTO

Sacramento, California
16 Aug 25
$32.80 - $52.94

Labor Day Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
30 Aug 25
$32.80 - $52.94

Labor Day Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
30 Aug 25
$32.80 - $48.70

Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
30 Aug 25
$32.80 - $52.94

Sunrise Marathon 5K/10K/13.1 SACRAMENTO

Sacramento, California
30 Aug 25
$32.80 - $48.70

SPASM Crystal Springs Trail Run

Woodside, California
31 Aug 25
Free - $85.80

Diablo Trail Run

Clayton, California
07 Sep 25
Free - $85.80

National Chocolate Day: Run for Chocolates SAN FRANCISCO

San Francisco, California
13 Sep 25
$32.80 - $52.94

National Chocolate Day: Run for Chocolates SACRAMENTO

Sacramento, California
13 Sep 25
$32.80 - $48.70

Hedgehog Dash 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
13 Sep 25
$32.80 - $52.94

Hedgehog Dash 5K/10K/13.1 SACRAMENTO

Sacramento, California
13 Sep 25
$32.80 - $48.70

Rocky Ridge 2025

San Ramon, California
20 Sep 25

Alameda Island Running Festival

Alameda, California
21 Sep 25
$48.70 - $107.00

National Singles Day: Singles & Friends Running Club SAN FRANCISCO

San Mateo, California
27 Sep 25
$32.80 - $48.70

National Coffee Day: Run for Coffee SAN FRANCISCO

San Mateo, California
27 Sep 25
$32.80 - $48.70

National Singles Day: Singles & Friends Running Club SACRAMENTO

Sacramento, California
27 Sep 25
$32.80 - $48.70

National Coffee Day: Run for Coffee SACRAMENTO

Sacramento, California
27 Sep 25
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SACRAMENTO

Sacramento, California
04 Oct 25
$32.80 - $48.70

Cheers to Oktoberfest Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
04 Oct 25
$32.80 - $48.70

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

San Francisco, California
04 Oct 25
$32.80 - $48.70

Cheers to Oktoberfest Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
04 Oct 25
$32.80 - $48.70

Napa Half Marathon

Napa, California
05 Oct 25
$85.80 - $101.70

Peace Officer Memorial Run

Modesto, California
05 Oct 25
Free - $128.20

Run by the Sea

Santa Cruz, California
05 Oct 25
$59.30 - $80.50

LOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MARATHON & MARATHON

San Leandro, California
11 Oct 25
$34.00 - $133.50

2025 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California
12 Oct 25
$54.25 - $128.45

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

Sacramento, California
18 Oct 25
$32.80 - $48.70

International Sloth Day Run 5K/10K/13.1 SACRAMENTO

Sacramento, California
18 Oct 25
$32.80 - $48.70

Run Against Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
18 Oct 25
$32.80 - $48.70
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