John Wayne Grit Series - Newport Coast

The Rock It in Chino Hills 5K & 10K is a trail running and hiking event held at Chino Hills State Park in Brea, California. Participants can choose between a 5K or 10K course that showcases the park's stunning and expansive trails, offering..

Live Oak Odyssey at O'Neill Regional Park is a fixed time trail run with 3 Hour and 6 Hour loop options on oak studded single track. Expect challenging climbs, stocked aid station, chip timing and finisher awards for a fun day on the trails..

Caspers Trail Races in San Juan Capistrano on Oct 25, 2025 offers scenic trail courses with options for every level. The race is sold out but a waitlist is open; expect marked routes, course support and event swag for finishers.

Event overview OC Trail Runners Group Run takes place on Saturday, October 25, 2025 in Newport Coast, California. The run is free, social and non-competitive, described as slower-paced and take-it-easy. The stated goal is to spend time outd..

Monster Dash : Irvine, October 26, 2025 The event takes place at Bill Barber Memorial Park in Irvine on Sunday, October 26, 2025. Distances offered: 5k 10k 15k Half marathon Course, rules and logistics The course is an open route on a sha..

Celebrate the 10th annual Chino Hills Trail Run Series Fall at Chino Hills State Park with challenging 30K and 50K trail routes that support the Discovery Center. Scenic single track, aid stations, and community spirit await.