Iron Hike - Spring Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk
Date
Fri, Jun 5, 2026, 12:00 PM EDTDistance
43 MilesUltra
Quick take
Conquer 43+ miles and over 20,000 feet of elevation in this 48-hour ultra trail marathon relay, open to runners, hikers, and walkers.
Race feel
Great for
- Military & First Responders
Military & First RespondersThe Iron Hike - Spring Denali Ultra Trail Marathon Relay offers an extreme endurance challenge in Cornwall, CT. This 43+ mile event features a staggering 20,825 feet of elevation gain, with participants having 48 hours to complete the course. Designed as a relay, it welcomes individuals or teams to run, hike, or walk, making it accessible for various paces while still demanding significant effort. It's an intense experience for those seeking to test their limits on the trails.
What to expect
Expect an ultra-distance challenge with significant elevation gain. This 43+ mile trail event includes over 20,000 feet of climbing. Participants have 48 hours to complete the course, whether running, hiking, or walking.
Standout details
- 43+ Miles Ultra Trail Relay
- 20,825' Elevation Gain
- 48-Hour Time Limit
- Run, Hike, or Walk Welcome
Ready to register?
Finish signup on the organizer site (check fees and dates there).
From the organizer
Continue to the registration site for current registration prices. >> Register Now! IronHike Endurance Productions LLC is a US military veteran-owned business.