Rock It in Chino Hills 5K & 10K 2026

The race.

Rock It in Chino Hills offers 5K and 10K trail running and hiking options on October 10, 2026, at Chino Hills State Park in Brea, California. The event starts at the Discovery Center lot located at 4500 Carbon Canyon Road. Packet pickup begins at 7:00 a.m., with parking available at Chino Hills State Park for $10 or Carbon Canyon Park for $5. Finishers receive a race shirt and patch, plus race photos included with registration. Age group awards are given for first place in nine categories ranging from under 9 to 80 and older. The event is subject to potential rescheduling due to weather or venue restrictions, with automatic participant transfers and no refunds offered.