Helping you make your finish line dreams come true!
The Inland Empire Running Club (IERC) of Chino Hills is non-profit organization created by veteran runners, walkers, coaches and people with a mission to advance the joy of the sports of running and walking in the Inland Empire of southern California. IERC is a year round marathon and distance training club specifically designed to meet the needs of all people regardless of their level of fitness.
2026 Spring to Summer Training
Now that LA Marathon is done, we shift gears into a half marathon focused training season. We begin on March 21 and end with our own IERC Half Marathon run on June 13.
Click here to view the 2026 Spring to Summer training schedule
Ready to Join? Want to Check Us Out?
Whether you’re a beginner who’s looking to become more fit, or an experienced runner who’s looking for friends to run with, you’ve come to the right place! We welcome everyone to come join us for our Saturday trainings and see what we’re all about. Head over to our Membership page for all of the details.
Training Details
Saturdays 7 a.m.
Butterfield Ranch Elementary School
6350 Mystic Canyon Drive
Chino Hills, CA
IERC Virtual Clinic Series
To help with your training, we’re putting together a series of virtual running clinics. Watch the latest video here, or see them all on our YouTube channel. You can also listen to the audio-only version:
