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Registration will soon open for the Lake Natoma Four Bridges Half Marathon!

A beautiful setting... A scenic, rolling course... A festive Halloween theme... A perfect CIM training run! 

Did YOU qualify for Boston at the California International Marathon?

If so, be sure to visit the CIM booth at the Boston Marathon Expo, tell us about your experience at the CIM, and pick up your "CIM-BQ" technical runner hat! Our tradition of awarding these hats (pictured below) continues, but remember, the ONLY place to receive your hat is at the Boston Marathon Expo!



Registration is Open for the 29th Annual CIM

  • Looking for the perfect Boston qualifier?
  • Need an U.S. Olympic Marathon Trials qualifier?
  • Want to set a personal best time?
  • Looking for an all-around great marathon experience?

The 29th Annual California International Marathon has what you need!


Visit our all new website to register for the 29th Annual CIM!

New for 2011: guaranteed entries for runners who meet the new CIM standards. Learn more at


Run the 29th Annual CIM presented by Kaiser Permanente - December 4, 2011! 

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This message has been brought to you by the Sacramento Running Association (SRA), organizers of the California International Marathon, the Marathon Relay Challenge, the Kaiser Permanente 2.62-Mile maraFUNrun, the Lake Natoma Four Bridges Half Marathon & Relay, the Super Bowl Sunday 10K, and the Inaugural SacTown 10-Miler.   SRA is a not-for profit 501(c)(3) organization. Its proceeds benefit youth fitness programs, the American River Parkway, running venue improvement and development.

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