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?

• San Diego 5k races
  
  

• San Diego 10k events
  
  

• San Diego marathon events
  
  

Or check out half marathons elsewhere in California:

• Los Angeles half marathons
  
  

• San Francisco half marathons
  
  

• Sacramento half marathons