California International Marathon

Here’s to the early morning alarms, the long runs, and the recovery run shuffles with friends.

Here’s to showing up when it’s hard, building community along the way, and becoming a stronger version of yourself—one mile at a time.

Wherever you are on your running journey, today we’re celebrating you.

Happy Global Running Day! 🌍❤️🏃

Summer legs loading… 👀☀️
CIM season is getting closer and training blocks are almost here. Nothing better than summer long runs together. 🏃‍♀️🏃‍♂️💛

The CIM Gold Entry Draw application window is closing soon! ⏳
Submit your application by noon April 30 (12 PM PST) to be included in the drawing.
Apply now — link in bio.



As we wrap up National Volunteer Week, we want to celebrate the hundreds of volunteers who make it all happen. 🙌 From cross country clubs and nonprofits crews to coworkers, friends, and individuals—your impact shows up in every corner of race day.

From the first light of morning through every runner’s journey, our volunteers power every detail that makes race day possible.

This sport and community wouldn’t be possible without you. 💙

We’re excited to introduce the NEW 2026 CIM First-Timer Program with 🎉

Designed for first-time marathoners, this program offers guidance, education, and a strong sense of community without the structure of a traditional coaching plan. You’ll get expert support and resources throughout your journey to help you train smarter and feel prepared on race day.

Plus, participants have the option to join the official CIM training program at a discounted rate.

Your marathon journey starts here! 💙

Round 2 of our 2026 CIM Ambassador spotlight! 🌟

Meet five more runners bringing the energy, support, and inspiration to this year’s .

Each ambassador has their own story and a shared goal: helping others reach the start line—and the finish line. Whether you’re chasing a PR or taking on your first 26.2, they’ll be cheering you on all season long. 💙

Swipe through to meet them.

Say hello to the first six members of our 2026 CIM Ambassador Team! 🙌
We’re excited to introduce this year’s incredible group of runners. Swipe through to get to know them and join us in giving them a warm welcome! 💙

Want to know more about our ambassador team? Visit our website for more info, link in bio!

New items just dropped in the CIM Shop 👀🔥

Fresh ASICS tees, tanks, and hoodies are now available!

Whether you’re running CIM this year, celebrating a past finish, or just want to rep your favorite race (“the golden race” ✨), we’ve got you covered.

Don’t wait — grab yours now!
🔗 Shop link in bio 



It’s officially spring which means we’re getting closer to CIM training season! 🌻🏃‍♀️

December may feel far away, but marathon training will be here before you know it. For now, soak up the sunshine, enjoy the longer days, and keep moving. Stay tuned this season for upcoming training program options! ☀️💙