2026 California International Marathon

The Fastest Course in the West!

That’s how the Sacramento Running Association describes the California International Marathon. If you’re trying to BQ or set a new PR, this is the race for you!

You can help protect the planet while experiencing CIM’s 26.2 net downhill miles from the Folsom Dam to the California State Capitol by running on behalf of Racing for Sustainability. 

RFS envisions a world where sustainability is as integral to a race as the start and finish lines. By supporting us, you’ll be helping racing events reduce waste, conserve resources, and foster a culture of environmental responsibility within the running community.

The California International Marathon will take place on December 6, 2026.

If you’re selected to represent Racing for Sustainability at the California International Marathon and commit to raising $1,500,  you’ll receive:

  • Guaranteed entry to the 2026 California International Marathon (runners are responsible for paying their race registration fee)
  • Racing for Sustainability Lululemon tank top
  • Personal online fundraising page
  • A  guide to help you achieve your fundraising goal with confidence
  • A marathon training plan created by Coach Steve Picucci and World Championship runner Tina Muir
  • Virtual meetups and group chats with other Racing for Sustainability runners

Click below to get started!