Running Nutrition
RTP Final Runner Instructions 2022
CIM Launch Party 2023
CIM Launch Party Your road to #CIM40 starts Now! Meet new friends and get yourself ready to train for the California International Marathon! Join us to celebrate the beginning of your CIM training cycle. Find a local CIM Ambassador group meetup, run with friends, or...
USATF Marathon Championships return to the California International Marathon
CIM will host the men’s and women’s 2022 USATF Marathon Championships on Sunday, Dec. 4, following successful runs in 2017 & 2018 The California International Marathon (CIM) has been selected to host the 2022 U.S. Marathon Championships for men and women by USA...