The California International Marathon point-to-point, net downhill course has remained unchanged for 33 years, providing over 100,000 runners of all speeds–from first-timers to the fastest of the fast–the best chance to achieve their marathon goals. The course is USATF certified.

Not yet ready for the full 26.2-mile marathon distance but still want to take part in the CIM fun? Round up some friends and for a team for the CIM Relay Challenge! CIM Relay Challenge teams can be 2, 3, or 4 runners, and together teams complete the full marathon distance with each runner completing a leg of 5.9-7.5 miles (distances vary on each leg). And who knows . . . this year’s relay runner may be next year’s marathon finisher!

Adults and children can join the fun and excitement of the California International Marathon by participating in the 2.62-mile UC Davis Children’s Hospital maraFUNrun and Fitness Walk.

  • Standard Registration opens early March 2020

California International Marathon