Chino Hills Trail Run Series
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Event details
The Chino Hills Trail Run Series Fall is scheduled for Saturday, Dec 13, 2025, after being postponed from Nov 15, 2025. The event takes place at Chino Hills State Park Discovery Center, 4500 Carbon Canyon Road, Brea, CA 92823. Online registration is open again and closes on Thu, Dec 11 @ 12:00PM PT.
Distances
- 50K
- 30K
Course and logistics
Both distances follow marked trail routes through hillsides, chaparral, and oak woodlands. Aid stations and turn points include Telegraph Canyon/Little Canyon (water only), 4-Corners (mid-station), and Bane Canyon (drop-bag station). Mile markers for each aid station differ by distance: Telegraph Canyon/Little Canyon at 4.5 miles and 15.25 miles for the 30K; 4.5 miles and 27.5 miles for the 50K. 4-Corners appears at 7.5 miles and 13 miles for the 30K, and 7.5 miles and 24 miles for the 50K. Bane Canyon is the turnaround for the 30K at 10.25 miles and is used multiple times on the 50K route (approximately 10.25, 16.5, and 21 miles).
Parking is at the Discovery Center (prepare $10 fee). Overflow parking may use Carbon Canyon Regional Park ($5 entry) or Olinda Ranch Park (about a 1 mile walk to the start). Cutoff times for the 50K are posted for Bane Canyon, 4-Corners, and the finish. Early bib pickup is offered at Snail's Pace Running Shop in Brea. Visit the organization's website for the most recent information.
