Introducing Pursuit Beta

Exciting news! We’ve partnered up with Pursuit to enhance your event day experience. You can start and finish your fitness journey for the California International Marathon and all future events in one place. With Pursuit, you can track your training, share your...

Letter From the CIM Race Director

Marathon Investigation Results Verification Partnership Announcement: A Letter to CIM Runners from the Race Director CIM Runners, It seems like every month another story about marathon cheaters comes up, whether it’s course-cutting, bib muling, or other creative...