Ironhike Endurance Series - Spring

Event Overview

The IronHike Mohawk Mountain Spring is an elevation-based endurance series held at the Mohawk Mountain Ski Area in Cornwall, Connecticut. This veteran-owned event focuses on vertical trail endurance, requiring participants to navigate the mountain's northwest slope without the use of lifts or gondolas. Participants earn both the ascent and the descent on a course featuring a 1.25 mile lap with 595 feet of elevation gain and loss per lap.

Participation Options

The series utilizes a FlexRelay format for team entries, allowing members to manage their own pacing, mileage, and rest intervals. Participants can enter as individuals, in pairs (Trail Buddy), or in teams of three to four (Trail Family). Available event categories include:

• Kuwohi: 12-hour duration, covering approximately 15 miles and 7,140 feet of elevation.
• Double Kuwohi: 24-hour duration, covering 28+ miles and 13,685 feet of elevation.
• Answer the Bell Ultra (Basic): 24-hour backyard ultra format on the mountain totaling 28.8 miles and 14,400 feet of elevation.
• Denali: 48-hour duration, covering 43+ miles and 20,825 feet of elevation.
• Everest: 72-hour duration, covering 61+ miles and 29,155 feet of elevation.
• Answer the Bell Ultra (Full): 84-hour format totaling 100+ miles and 50,400 feet of elevation.
• Olympus Mons Ultra: 84-hour duration, covering 152+ miles and 72,590 feet of elevation.

Logistics and Amenities

The event site is located in the Litchfield Hills, approximately 2.5 hours from New York City and Boston. Registration includes on-mountain tenting space for athletes and up to six spectators. Facilities at the base area include a support station with hydration, snacks, a fire pit, and restrooms. Participants are required to use headlamps for night trekking. Professional medical support from the ski patrol is present on the mountain for the duration of the series. Visit the organization's website for the most recent information.