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 Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

A free, social, non-competitive trail run in Newport Coast on June 27, 2026, featuring an approximately 5.7 mile hilly route with rocky sections and about 760 feet of gain. Participants should have prior trail running experience.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Harding Hustle is a trail running event in Cleveland National Forest offering 50K, 30K and 15K on the Harding Truck Trail. Courses include significant elevation gain, aid stations, shuttle access, and hot July conditions.

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