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

There’s something special about covering 26.2 miles in a city where the ocean is never far away. San Diego’s marathons offer a calm confidence: steady weather, scenic routes, and a community that knows how to support runners through every stage of the journey.

From early miles along the coast to the final push towards the finish, these events bring together a mix of competitive energy and laid-back Southern California spirit. Expect cool air off the Pacific, stretches through lively neighborhoods, and, at times, unique access through local military bases that add a different perspective to race day.

organization is solid, with frequent aid stations, on-course medical support, and pace groups for a wide range of finish goals. It’s the kind of race environment that makes it easier to focus on your run, whether you’re aiming to qualify for Boston or simply want to complete your first marathon in a setting that’s as welcoming as it is motivating. If you’re stepping up from a San Diego half marathon, these marathons are ready when you are.

Looking for more races in San Diego?

• San Diego 5k races
  
  

• San Diego 10k events
  
  

• San Diego half marathons
  
  

Or check out marathons elsewhere in California:

• Los Angeles marathon events
  
  

• San Francisco marathon races
  
  

• San Jose marathon events

Still need more options? Browse our full marathons in the USA listings to find your next challenge.