Fremont Canyon 28k Trail Run

Orange, United States • 6 Dec 2025

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runners. Participants will find four aid stations along the route, offering electrolyte drinks, water, gels, and snacks.

The event promotes a cupless race format, encouraging runners to bring their own hydration solutions. Registration is available online until December 5, 2025, with no race day registration. Pets are not allowed on the course, but they can be present at the start/finish area. Visit the organization's website for the most recent information.

Race information

28 km
28k (17.5 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, with a scenic route on the city bridle trails and awards for overall and age-group first place finishers.

Free, social group run by Aravaipa at El Moro and Laguna Coast Wilderness Park in Newport Coast on May 30, 2026. The route is about 5.5 miles with roughly 500 feet of ascent, some rocky sections, and post-run snacks and a raffle.

The City of Fullerton’s inaugural Fullerton Fit 5K Trail Run takes place June 6, 2026 on a dirt course near Brea Dam, accompanied by a Health & Wellness Fair with vendors, demonstrations, and food trucks.

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