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IronHike Endurance Series

Cornwall, United States • 1-4 Oct 2026

IronHike Endurance Series

The IronHike Fall Olympus Mons Ultra Trail Marathon is an endurance event held at the Mohawk Mountain Ski Area in Cornwall, Connecticut. Organized by a US military veteran-owned business, the event is designed for participants to run, hike, or walk through a designated course on the mountain terrain.

Participants navigate the slopes of the ski area over several days. The event features a single ultra-distance category:

  • 152 miles with a total elevation gain of 72,590 feet and an 84-hour time limit.

The course utilizes the geography of the Mohawk Mountain Ski Area, located at 46 Great Hollow. The event is powered by Skratch Labs and focuses on high-elevation gain and long-duration endurance. Registration for the event opens approximately one year in advance. Visit the organization's website for the most recent information.

United States Connecticut Cornwall

Race information

Registration
152 mi
Olympus Mons Ultra
84-Hour
Visit the organization's website for the most recent information.
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