Ironhike Endurance Series - Spring

JUN
4-7
2026
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.
4-7 Jun 2026
152 miles 101 miles 61 miles 43 miles 29 miles 28 miles 15 miles

Always double-check with the organizer's website! This page may contain affiliate links.

IronHike Mohawk Mountain Spring 2026

IronHike Mohawk Mountain Spring 2026 is a multi-day, elevation-based endurance event series held June 4–7, 2026 at Mohawk Mountain Ski Area in Cornwall, Connecticut (46 Great Hollow Road, Cornwall, CT 06753). The series runs multiple timed events on the mountain using a lap format on ski trails; each lap is 1.25 miles with about 595 ft of gain and loss. Summit elevation is 1,600 ft and base elevation is 920 ft.

Events are offered in Solo, Trail Buddy (teams of two), and Trail Family (teams of three or four) using a FlexRelay format where teams set their own lap distribution with no minimum laps per person. The Answer the Bell events use an hourly backyard ultra format. Registration details include discount codes for buddies and other discounts.

Included with registration are on-mountain tenting space, a base area support station, personalized bibs and finisher items, custom training plans, limited on-mountain ski patrol medical support, free parking, and spectator areas. The organizer states there are no podium awards or age group prizes and describes a no-refund policy with an option for an 80% credit toward a future event.

Distances, elevation and durations for core events include: Visit the organization's website for the most recent information.

  • Kuwohi 15 miles, 7,140 ft, 12-hour
  • Double Kuwohi 28+ miles, 13,685 ft, 24-hour
  • Denali 43+ miles, 20,825 ft, 48-hour
  • Everest 61+ miles, 29,155 ft, 72-hour
  • Olympus Mons 152+ miles, 72,590 ft, 84-hour
  • Answer the Bell formats 28.8 miles or 100+ miles options
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
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