Rock It in Chino Hills 5K & 10K
Rock It in Chino Hills 5K & 10K was a trail running and running race held on October 10, 2026 in Brea, CA, with entry fees from $50 to $65.
- Date
- October 10, 2026 (Race complete)
- Price
- $50–$65
- Sports
- Trail RunningRunning
This race has already happened.
It was held on October 10, 2026. Registration for this edition is closed.
From the Organizer
Run it, hike it, and conquer the trails of the stunning and expansive Chino Hills State Park! Choose the 5K or 10K to challenge yourself with the beauty of trail running or hiking, all while soaking in the tranquility and scenic views, with trails stretching as far as the eye can see on most of the course. Your experience will be captured in race photos included with registration, the shirt you’ll wear with pride, and your finisher patch. Age group awards for first place finisher in age these nine age groups <9, 10-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+. Course maps are here.
Please note, this event may be subject to weather conditions and could be rescheduled due to rain or other event and venue restrictions. Participants will be automatically transferred to the new date, and no refunds will be provided.
Parking at California State Parks is $10 per vehicle (cashless payment only), or you can park at the nearby Carbon Canyon Park for $5. Carpooling is encouraged!
Parking at Chino Hills State Park - Discovery Center lot opens at 6:30am. Packet pick-up starts at 7:00am. The address is 4500 Carbon Canyon Road, Brea, CA 92823 - Discovery Center location.
Events
About Brea, CA
Nearest Airport
ONT
Ontario International Airport · 16 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
This Race Is
In The Books
Rock It in Chino Hills 5K & 10K was held on October 10, 2026 at 4500 Carbon Canyon Road, Brea, CA. Registration for this edition is closed — but there is always another start line.
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About These Sports
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Trail Running
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.