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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 hikers and trail runners. Scheduled for October 2-5, 2025, participants can choose from various challenges, including individual and team formats, with distances ranging from 15 to over 152 miles. The event emphasizes personal achievement over competition, featuring a FlexRelay format that allows participants to manage their pace and rest. With amenities like tenting, hydration stations, and a celebratory IronFest, the series aims to foster community and personal growth through extreme endurance challenges. Visit the organization's website for the most recent information.

United States Connecticut Cornwall

Race information

Registration
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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