Ironhike Endurance Series - Spring

IronHike Series - Spring '26 overview

IronHike Series - Spring '26 takes place June 4-7, 2026 at Mohawk Mountain Ski Area in Cornwall, Connecticut (46 Great Hollow Road, 06753). The event offers multiple endurance formats that can be entered solo or as a team: Trail Buddy (team of 2) or Trail Family (team of 3 or 4). Events use a FlexRelay format in which participants self-manage pacing, rest, hydration, and sleep. Some events require night trekking by headlamp. The series is presented as a non-competitive endurance experience with no podiums, no records, and no age-group awards.

Distances and formats

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

Included services and logistics

Registered entrants receive access to participant and spectator areas, tenting (for competitors and up to six spectators at no extra charge), base area pop-up staging for support stations, and a support station with shade, a fire pit, hydration, and snacks. The event provides custom training plans, personalized bibs and summit tokens, finisher medals and hats, ski patrol medical support, free parking, and restrooms. Visit the organization's website for the most recent information.