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?

• San Jose 5k races
  

• San Jose 10k events
  

• San Jose marathon events
  
  

Or explore half marathons in other California cities:

• San Francisco half marathons
  

• Sacramento half marathons

• Fresno half marathons