IronHike Endurance Series

Cornwall, United States • 2-5 Oct 2025

The IronHike Endurance Series, taking place at Mohawk Mountain in Cornwall, CT, is a unique multi-day event designed for both individual participants and teams. Scheduled for October 2-5, 2025, it features various challenges, including the Kuwohi, Double K, Denali, Everest, and Olympus Mons Ultra, each with different distances and elevation gains. Participants can choose to compete solo, with a trail buddy, or as part of a trail family. The event emphasizes personal achievement over competition, offering a supportive environment for all fitness levels. Tenting and base support are provided, making it a comprehensive outdoor experience. Visit the organization's website for the most recent information.

Race information

152 mi
72590 m+
Olympus Mons Ultra - 152+ Miles
61 mi
29155 m+
Everest - 61+ Miles
43 mi
20825 m+
Denali - 43+ Miles
28 mi
13685 m+
Double K - 28+ Miles
15 mi
7140 m+
Kuwohi - 15 Miles
Visit the organization's website for the most recent information.
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