Iron Hike - Spring Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk
Date
Thu, Jun 4, 2026, 12:00 AM EDTDistance
152 MilesUltra
Quick take
An extreme 152+ mile, 84-hour ultra trail marathon relay with over 72,000 feet of elevation gain, open to runners, hikers, and walkers.
Race feel
Great for
- Military & First Responders
Military & First RespondersPrepare for an immense endurance challenge at the Iron Hike - Spring Olympus Mons Ultra Trail Marathon Relay in Cornwall, CT. This 152+ mile event features 72,590 feet of elevation gain, with an 84-hour time limit. Participants can choose to run, hike, or walk the course. The event is presented by IronHike Endurance Productions LLC, a US military veteran-owned business.
What to expect
Tackle an immense 152+ mile course with 72,590 feet of elevation. You have 84 hours to complete this ultra trail marathon relay. Run, hike, or walk your way through the challenge; this event is walker-friendly.
Standout details
- 152+ miles, 72,590' elevation
- 84-hour ultra trail marathon relay
- Run, hike, or walk options
- Veteran-owned business
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.