Ironhike Endurance Series - Spring

Cornwall, United States • 4-7 Jun 2026

IronHike Mohawk Mountain Spring 2026

IronHike Mohawk Mountain Spring 2026 runs June 4–7, 2026 at Mohawk Mountain Ski Area in Cornwall, Connecticut. The series is a multi-day, elevation-based endurance event program that offers solo and team formats across a range of distances and elapsed-time challenges. The course is an up-and-down ski trail on Mohawk Mountain.

Events and their core metrics:

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

Format options include Solo, Trail Buddy (teams of two), and Trail Family (teams of three or four) using a FlexRelay approach where team members set their own lap distribution. The lap is 1.25 miles with about 595 ft elevation gain and loss per lap; summit elevation is listed as 1,600 ft and base as 920 ft.

Registration includes on-mountain tenting for the athlete and up to six spectators, a base area support station with shade and hydration, personalized bibs and finisher items, custom training plans, Mohawk Mountain access for athletes and spectators, ski patrol medical support, and onsite parking and restrooms. The event is presented by IronHike Endurance Productions and is staged at Mohawk Mountain Ski Area in Cornwall CT. Visit the organization's website for the most recent information.

Race information

152 mi
Olympus Mons Ultra
101 mi
Answer the Bell Ultra - Full
61 mi
Everest
43 mi
Denali
29 mi
Answer the Bell Ultra - Basic
28 mi
Double Kuwohi
15 mi
Kuwohi
Visit the organization's website for the most recent information.
Trail runs nearby

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..

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.

A trail festival at Norbrook Farm Brewery with running races, a run and bike duathlon, and mountain bike events on farm road and single track trails. Participants 21 and over receive one free beer ticket and there are finisher medals and aw..

A 5K through Camp Jewell’s roads and wooded trails including a covered bridge, plus a free one mile kids run. Pre entry is $30 before June 6 and increases to $35 afterward.

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