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.

Race information

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

A timed 3.5 mile trail run at Woodtick Recreation Area in Wolcott, CT on May 17, 2026. Entry is $30, $40 day of, with medals for division winners and free entry to the CT Food Truck Battles Festival after the race.

A road half marathon around Mine Hill Distillery in Roxbury CT featuring mixed paved and dirt roads, a long climb in the first half and a mostly downhill return. Three aid stations support a cupless hydration policy and finishers receive a..

Multi-day elevation based endurance events at Mohawk Mountain in Connecticut, June 4 to 7, 2026. Solo, Trail Buddy and Trail Family formats cover timed events from a 12-hour 15-mile option up to 84-hour 152+ miles with large elevation gain.

Experience a timed 5K trail run or walk through the scenic woods and fields of the Van Vleck Farm and Nature Sanctuary. Enjoy live music and food trucks at this annual community event in Woodbury.

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