Fastest course in the west.


Marathon Registration

Due to its excellent race organization and fast course, the California International Marathon has always been a favorite event for first time marathoners, fitness runners, and especially for runners seeking a PR, a Boston Marathon or Olympic Marathon Trials qualifying standard.

In 2015, entries filled in early September, so enter early to avoid disappointment.

Register Now Am I Registered?
2016 Marathon Registration:

  • “Re-Run” Registration Special: $89 (limited to 500 registrants) Sold out.
  • “Re-Run” 2: $99 (Re-opened due to popular demand! Limited to 500 registrants) Sold out.
  • First 500: $109 (Opens March 1, 2016 — limited to 500 registrants) Sold out.
  • Early Registration: $125 (1,501st registrant through May 18)Sold out.
  • Standard Registration: $139 (May 19 through July 13)Sold out.
  • Late Registration: $150 (July 14 to race sell-out)
VIP Experience:

The CIM VIP Experience, the only way we could make a marathon any easier on you is if we had someone run it for you! Check out all of the advantages to being a CIM VIP here.

Charity Entries:

After sell-out a limited number of charity entries will become available at $275. Proceeds from charity entries will go directly to SRA Community Giving initiatives.

Guaranteed Entries:

If you wish to delay entering until between October 1 to October 15, you will be guaranteed an entry if you have achieved the appropriate age division finish time within the last 2 years. Learn more: Guaranteed Entry Information. Guaranteed Entries are $175, and are Guaranteed for those who qualify regardless of CIM sell out.


Already registered for this year’s marathon but unable to run? Take advantage of our new deferral option to roll over your registration to 2017!

The deferral window will be open from October 31 – November 14. During that time, any registrants who are unable to run this year’s marathon will be able to enter their info to defer their entry to the 2016 CIM entry to the 2017 race. A $49 fee will be charged to cover costs already incurred and the administration of this program. For more information please click here.

There are no refunds or transfers. Once you have completed the registration process you will not receive a refund if you cannot participate, you may not give or sell your number to anyone else.