Rock It in Chino Hills
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Rock It in Chino Hills 5K & 10K
Rock It in Chino Hills is a trail running and hiking event at Chino Hills State Park, Discovery Center, 4500 Carbon Canyon Road, Brea, CA 92823, held on October 10, 2026. The event offers trail courses with extended views across the park on most of the route.
Distances offered:
- 5K
- 10K
Registration opens April 6, 2026, and closes August 15, 2026. The registration fee is $50.00 for the 5K and $65.00 for the 10K. Race registration includes race photos, a participant shirt, and a finisher patch. Age group awards are given to the first place finisher in these nine groups: under 9, 10-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, and 80 plus.
Parking at California State Parks is $10 per vehicle with cashless payment only; nearby Carbon Canyon Park parking is $5. The Discovery Center lot opens at 6:30am and packet pick-up starts at 7:00am. The event may be rescheduled for weather or venue restrictions; participants will be automatically transferred to the new date and no refunds will be provided. Visit the organization's website for the most recent information.
