Zanja Peak Endurance Challenge

All Terrain. All Heart. All You.
Welcome to the Zanja Peak Endurance Challenge—a rugged and unforgettable trail running experience set in the breathtaking terrain of the Crafton Hills.
This race is more than miles and elevation. It’s a return to the trails that built a passion for running, a test of grit, and a celebration of the local endurance community.
Whether you're chasing a summit, testing your limits, or stepping into trail racing for the first time—there’s a distance for you.
Distances

21 Mile Endurance Challenge
~4,300+ ft Elevation Gain
The full Zanja experience.
A demanding and rewarding course that climbs deep into the Crafton Hills, featuring sustained ascents, technical descents, and panoramic views that make every step worth it.
Start & Finish: Crafton Hills College Track
3 Fully Stocked Aid Stations
True test of endurance, pacing, and grit

10 Mile Trail Challenge
~1600+ ft Elevation Gain
A perfect middle distance that captures the spirit of Zanja Peak.
Expect challenging climbs, fast sections, and stunning ridgeline views.
Ideal for experienced trail runners or those stepping up in distance
Well-marked course with full support

4 Mile Trail Experience
~600+ ft Elevation Gain
Short, punchy, and fun.
This distance is designed for newer trail runners or anyone looking for a fast, scenic effort.
Beginner-friendly but still a challenge
Great introduction to trail racing


And this race is about more than miles and elevation — it’s about protecting the trails we love. 10% of all registration fees will be donated directly to the Crafton Hills Open Space Conservancy, helping support conservation efforts, trail stewardship, and the long-term preservation of these incredible local landscapes for future generations of runners and outdoor enthusiasts.

Crafton Hills Open Space Conservancy

The Crafton Hills Open Space Conservancy is a dedicated guardian of nature, safeguarding pristine landscapes and diverse ecosystems. Committed to preserving the beauty of the Crafton Hills in Yucaipa, California, the Conservancy strives to provide a haven for wildlife, mitigate environmental impact, and offer a serene escape for present and future generations to enjoy the wonders of unspoiled open space.
https://www.chosc.org/home
10% of all registration fees will be donated to CHOSC

21 Mile Route

https://api.coros.com/coros/data/share-track?regionId=1&id=476005711541927936

10 Mile Route

https://api.coros.com/coros/data/share-track?regionId=1&id=476005711541927936

4 Mile Route

https://api.coros.com/coros/data/share-track?regionId=1&id=476684314761986048

Event's current local time: 3:17 PM PT