IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT

Scheduled for October 1, 2026, in Cornwall, Connecticut, the Iron Hike Fall Olympus Mons Ultra Trail Marathon starts at midnight from Mohawk Mountain Ski Area. This 152-mile ultra combines running, hiking, and walking over 72,590 feet of elevation gain, with an 84-hour time limit to complete the course. The race is free to enter, making it an accessible option for ultrarunners and endurance athletes looking for a substantial fall challenge. The midnight start means competitors will experience variable conditions across the multi-day effort. Given the significant distance and elevation profile, athletes should prepare for sustained effort across potentially changing weather and terrain.
Course & Travel Notes
With 72,590 feet of elevation gain over 152+ miles, this Connecticut ultra demands careful pacing management from the start of the midnight race launch through sunrise at 6:50 AM. Fall weather typically brings highs near 63°F and lows around 38°F, though runners should prepare for rain on roughly one-third of days during this season. Dutchess County Airport lies 32.3 miles from the Cornwall venue, making it a convenient option for accessing the Mohawk Mountain course.
Hotels Near This Race
Find accommodation close to the start line in Cornwall, CT. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.
IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT
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Race Travel Insurance
Don't forget travel insurance for October 1.
You've trained for months and booked a trip to Cornwall, CT. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.
- Trip cancellation up to 100% of prepaid costs
- Running events covered under standard plans — no add-ons needed
- Trip interruption up to 150% of non-refundable costs
- Emergency medical up to $250,000
- Cancel For Any Reason add-on available
- 24/7 real-time support
Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.
Frequently Asked Questions
When is IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT?
IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT takes place on October 1, 2026. The race is held in Cornwall, Connecticut.
Where is IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT held?
IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT is held at Mohawk Mountain Ski Area in Cornwall, Connecticut.
Where can I find hotels near IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo – 72,590 feet of elevation gain, possibly more than any endurance event of its kind. – 100 Mile + Elevation Endurance Ultra Trail Marathon – 152 + Miles – 84 Hour – We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra 2026 — Cornwall, CT?
RaceHotelFinder shows hotels sorted by distance from the race venue in Cornwall. Use the map or list view on this page to compare options and book race weekend accommodation.




