Inaugural Tri-city Challenge
The Inland Empire’s only running series!
Complete these three races and earn a special medal
How to participate
- Register to run or volunteer for all participating races! Be sure to use the same name and birthdate when registering for each event so we know you're you.
- Be official! Get an official finishing time or complete your volunteer service.
- Register early! Entry is not guaranteed, so register early to save your spot.
Pick up your Tri-City Challenge medal in December after you complete all three races.