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Ironhike Endurance Series - Spring

Cornwall, United States • 4-7 Jun 2026

IronHike Series - Spring '26 (Mohawk Mountain, CT)

The IronHike Series - Spring '26 takes place in early June 2026 at Mohawk Mountain Ski Area, 46 Great Hollow Road, Cornwall, CT 06753. The event spans multiple days and offers timed endurance formats that run for fixed durations rather than fixed distances. Entries are available for individual competitors and for team formats described as Trail Buddy (teams of 2) and Trail Family (teams of 3 or 4).

Events, distances and format

  • Kuwohi - 15 miles | 7,140' elevation | 12-hour
  • Double Kuwohi - 28+ miles | 13,685' elevation | 24-hour
  • Denali - 43+ miles | 20,825' elevation | 48-hour
  • Everest - 61+ miles | 29,155' elevation | 72-hour
  • Olympus Mons Ultra - 152+ miles | 72,590' elevation | 84-hour
  • Answer the Bell Ultra (Basic) - 28.8 miles | 14,400' elevation | 24-hour
  • Answer the Bell Ultra (Full) - 100+ miles | 50,400' elevation | 84-hour

Events use a FlexRelay format in which participants self-manage pacing, rest, hydration and sleep. Some events require night trekking by headlamp. Organizers provide tenting space for the registrant and up to six spectators at no extra charge, a base-area support station, ski patrol medical support, parking and restrooms. Training plans, personalized bibs, summit tokens, finisher medals and hats are listed as included items. IronHike Endurance Productions LLC is a U.S. military veteran-owned business. Visit the organization's website for the most recent information.

United States Connecticut Cornwall

Race information

Website
152 mi
72590 m+
Olympus Mons Ultra - Powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour
100 mi
50400 m+
Answer the Bell Ultra - Full - 100+ Miles | 50,400' Elevation | 84-Hour
61 mi
29155 m+
Everest - 61+ Miles | 29,155' Elevation | 72-Hour
43 mi
20825 m+
Denali - 43+ Miles | 20,825' Elevation | 48-Hour
29 mi
14400 m+
Answer the Bell Ultra - Basic - 28.8 Miles | 14,400' Elevation | 24 Hour
28 mi
13685 m+
Double Kuwohi - 28+ Miles | 13,685' Elevation | 24-Hour
15 mi
7140 m+
Kuwohi - 15 Miles | 7,140' Elevation | 12-Hour
Answer the Bell Ultra - 1.2 Miles. 600 Feet. Every Hour. Until You Can No Longer Answer the Bell.
Visit the organization's website for the most recent information.
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