OC Trail Runners Group Run

Trail races at Whiting Ranch Wilderness Park on March 21, 2026 feature 6k, 10k, half marathon and 30k courses through oak-filled foothills with marked support and event swag. Finishers are offered a complimentary beer with a meal at a local..

This trail race climbs into the Cleveland National Forest near Silverado, California. Runners can choose from a 10K, half marathon, or a challenging 17-mile local loop. All courses feature significant elevation gain and well-placed aid stat..

Trail run and hike options of 6K and 10 mile take place in El Moro Canyon at Crystal Cove State Park on April 4, 2026. Registration includes race photos, a shirt, and a finisher medal; park parking is $15 per vehicle.

Retro themed runs at Bolsa Chica State Beach on April 12, 2026 featuring 5K, 10K, a half marathon and a kids dash, plus a costume contest, live DJ, vendors, chip timing and oceanfront course views.