You vs. yesterday's you.
Run it. Hike it. Choose your summit. Choose harder.
IronHike Mohawk Mountain
Spring Series 2027
🗓️ June 2–6, 2027
Mohawk Mountain Ski Area 📍 Cornwall, CT · USA
🌎 This is the world's premier vertical trail endurance series.
An elevation-based Series of 7 Events in Solo, Trail Buddy, or Trail Family FlexRelay formats, at varied elevations, lengths, and distances. All run, hiked, or power-hiked by Mountain Athletes from all over the world, on the same mountain course, with one common goal: crush the damn mountain while pushing hard on personal limits.
Choose 12, 24, 48, 72, or up to 84 hours of continuous trail trekking to reach your target elevation.
You've been meaning to do something hard.
🗓️ Without a date, it's just an idea. You don't need to be ready. Ready gets built in training.
💰 $15/hour per Mountain Athlete. Buddy: you both save 25%. Team of 4: you all save 50%.
🎖️ Vets, Military & 1st Responders: $70 off · code brave70
No buddy yet? Register now. Add them later, free.
Pick your Event. Choose harder. Prove yourself right. 👇
🟢 Start here · 12–24 hours
▲ Kuwohi · 12-Hour | 12 Laps | 15 Miles | 7,140' | The entry point.
💪💪☆☆☆
Badass Rating
🗓️ Starts: Sat, Jun 5, noon
🔔 Final Bell: Sat, Jun 5, midnight
⏱️ 12 hours
Price per person
Solo $180
Trail Buddy $135 each ($270 for 2)
Trail Family $90 each for 4 ($360 per team)
▲ Double Kuwohi · 24-Hour | 23 Laps | 28.75 Miles | 13,685' | A full day and night on the Mountain.
💪💪½☆☆
Badass Rating
🗓️ Starts: Sat, Jun 5, noon
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 24 hours
Price per person
Solo $360
Trail Buddy $270 each ($540 for 2)
Trail Family $180 each for 4 ($720 per team)
▲ Answer the Bell - Basic · 24-Hour | 24 Laps | 28.8 Miles | 14,400' | Backyard ultra format on a real Mountain.
💪💪💪☆☆
Badass Rating
🗓️ Starts: Sat, Jun 5, noon
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 24 hours
💡 Solo only · no FlexRelay team format
Price per person
Solo $360
Not sure you're ready?
You have the base fitness if you can do any of these:
✅ Hike 4 hours over hilly terrain
✅ Complete a 5K, 10K, or trail run
✅ Walk regularly and want a real test of yourself
Your pace is your pace. The Mountain doesn't judge. Neither does your Tribe.
💬 "The camaraderie at 2:00 AM keeps you moving when legs quit."
— Jim T · IronHike Olympus Mons Athlete
🟠 Go big · 48–72 hours
▲ Denali · 48-Hour | 35 Laps | 43.75 Miles | 20,825' | Two days, two nights, no shortcuts.
💪💪💪½☆
Badass Rating
🗓️ Starts: Fri, Jun 4, noon
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 48 hours
Price per person
Solo $720
Trail Buddy $540 each ($1,080 for 2)
Trail Family $360 each for 4 ($1,440 per team)
▲ Everest · 72-Hour | 49 Laps | 61.25 Miles | 29,155' | Own Everest.
💪💪💪💪☆
Badass Rating
🗓️ Starts: Thu, Jun 3, noon
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 72 hours
Price per person
Solo $1,080
Trail Buddy $810 each ($1,620 for 2)
Trail Family $540 each for 4 ($2,160 per team)
30 states. 3 countries. Ages teens to 70s. This is who shows up.
💬 "There is no peacocking here, everyone is after one thing. Pushing their own limits."
— Amanda G · IronHike Kuwohi Finisher
🔴 The hardest · 84 hours
Olympus Mons: 72,000+ feet of vertical gain. Only 3 finishers ever. To date.
▲ Answer the Bell - Full · 84-Hour | 84 Laps | 100.8 Miles | 50,400' | On the hour. Every hour. Until you can't.
💪💪💪💪💪
Badass Rating
🗓️ Starts: Wed, Jun 2, midnight
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 84 hours
💡 Solo only · no FlexRelay team format
Price per person
Solo $1,260
▲ Olympus Mons Ultra · 84-Hour | 122 Laps | 152.5 Miles | 72,590' | Named for the tallest volcano in the solar system. Recognized among the Top 4 Hardest Ultra Events in the World. Powered by Skratch Labs®.
💪💪💪💪💪½
Badass Rating
🗓️ Starts: Wed, Jun 2, midnight
🔔 Final Bell: Sun, Jun 6, noon
⏱️ 84 hours
Price per person
Solo $1,260
Trail Buddy $945 each ($1,890 for 2)
Trail Family $630 each for 4 ($2,520 per team)
🏁 No podium. No records. No age group awards. Your only competition is yesterday's version of you.
❓ Get your questions answered here.
What if I can't finish? The Mountain keeps no score. Every lap is earned. The Event ends when you decide it ends, or when the Final Bell rings.
Training, gear, tenting, night laps, and plenty more. Or ask your own.
Ask Gemini ✨
Browse the FAQs ✨ Contact the Cadre
You have seen the Events.
You have seen the numbers.
The Mountain is waiting.
June 2–6, 2027 · Mohawk Mountain Ski Area · Cornwall, CT
Claim Your Spot.
Register Now. 🎯
💬 "Finally an Everest finish that feels like the real thing. The hard way."
— Hannah · IronHike Everest Finisher
▲ ▲ ▲
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✅ What's Included in Your IronHike Mohawk Mountain Spring Series 2027 Registration
⛺ Tenting space on-Mountain. Included for you and up to 6 spectators at no extra charge.
🔥 Base area support station. Shade, fire pit, hot water and drinking water, oatmeal, cup noodles, cup soups, instant coffee and decaf with fixings, Skratch Labs® hydration mix, Tosi® healthy bars, snacks, and Tribe camaraderie. Bring your own mug, bowl, and spoon, like on a backpacking trip. We don’t provide disposable paper or plastic, so we leave as little trace as possible. Bring enough of your own food to fuel your whole Event. Only you know what your body tolerates on a long endurance effort. Keep it in our common food tent, where you can also leave your own cooler. Shared cooler space is available, but limited.
🏅 Personalized Event bibs, summit tokens, finisher's medals, and hats.
⛰️ Exclusive Mohawk Mountain access. For Athletes, teams, and spectators.
🚑 Ski patrol medical support. On-Mountain throughout the Event.
📞 Mountain Athlete Tribe community calls. Pre-Event preparation and post-Event connection.
🅿️ Free parking, spectator areas, and restrooms at Mohawk Mountain Ski Area.
🤝 A new Tribe. Bragging rights. Proof.
▲ ▲ ▲
🗓️ IronHike Mohawk Mountain Spring Series 2027 | When and Where
For five days, June 2–6, 2027, we rent Mohawk Mountain Ski Area in Cornwall, Connecticut, so you can conquer IronHike. Spring in the Litchfield Hills means blooming trails, crisp mountain air, covered bridges, and farm-to-table dining minutes from the Mountain.
📍 Venue / Course Details · Mohawk Mountain
⛰️
The Mountain• Mohawk Mountain Ski Area, Cornwall, CT • Built 1947 •
Full History📐 Course
• Up and down Mohawk Mountain ski trail
• Lap: 1.25 mi • Gain/Loss per Lap: 595 ft
• Summit: 1,600 ft • Base: 920 ft
✈️ Nearest Airports
• Bradley International (BDL): 1 hr 4 min • Westchester (HPN): 60 min • JFK / LGA / EWR: 90 min
🚗 Drive Times
• Hartford: 1 hr • Springfield: 1 hr 16 min • New York City: 2 hr 20 min • Boston: 2 hr 35 min
💡 What to Know
Mountain Athletes' Guide · Mohawk Mountain
Everything you need to know about the course, the venue, training, gear, and what to expect on the Mountain.
📖 Read the Guide
The FlexRelay Format
Each team member in the Trail Buddy or Trail Family Event has no minimum or maximum laps, mileage, elevation, or time on the course. Teams manage who is on the Mountain for how long and when, according to conditions, fitness levels, and the needs of the team.
Cancellations, Deferrals & Transfers
Policy: No refunds, deferrals, or transfers between Series. Upon request, you may receive a single-use coupon for 80% off any future registration (no expiration). All sales final.
Transfers within the same Series are allowed on a case-by-case basis.
Event Photos
Every Event. Every lap. Every finish. Browse and download your Series photos.
📸 View Event Photos
▲ ▲ ▲
⛰️ Curious about other IronHike Series?
IronHike also runs a Fall Series right here at Mohawk Mountain, and a late Fall Series on the AT Approach Trail staircase at Amicalola Falls State Park in Georgia. Same Tribe. Same Cadre. Different Mountain.
If the Mountain has you hooked and you're ready for more, IronHike has both.
IronHike Endurance Productions
Who We Are
IronHike Endurance Productions is a veteran-owned endurance event Series built by US Army veterans who hike, coach, and compete. We produce elevation-based endurance events and multi-day mountain endurance events at Mohawk Mountain Ski Area in Cornwall, Connecticut. The Mohawk Mountain endurance event Series runs Spring and Fall each year. Our FlexRelay format lets Mountain Athletes compete Solo, as a Trail Buddy pair, or as a Trail Family of four. This is not a race. It is a time-allotted elevation-based endurance trail event: there is no podium and no age group awards. Finish and earn a Finisher's Medal and the coveted Orange Finisher's Hat. Every foot of elevation gain is climbed one lap at a time by Mountain Athletes from 30 states and 3 countries and counting who came here to prove themselves right.
The Events
IronHike offers seven elevation-based endurance events ranging from a 12-hour endurance event to an 84-hour endurance event, covering 7,140 to 72,590 feet of vertical gain at Mohawk Mountain in Cornwall, Connecticut. The Olympus Mons Ultra, powered by Skratch Labs®, is ranked as one of the hardest ultra events in the world and the hardest endurance hiking event in the USA. The Answer the Bell Ultra is a backyard ultra on a mountain and a last person standing ultra. Our FlexRelay team endurance event format makes multi-day ultra endurance and vertical trail endurance accessible to athletes at every level.
The Tribe
The IronHike Mountain Athlete Tribe is a shared suffering endurance community built from the ground up by veteran endurance sports athletes who believe that personal transformation happens on a mountain. Athletes from across the country and beyond register as Solo Mountain Athletes, Trail Buddy pairs, and Trail Family teams to climb every foot of elevation together. The IronHike Tribe spans 30 states and 3 countries and counting, supported by the veteran-owned Cadre who trek every Event alongside them. You show up, you belong, and you prove yourself right one lap at a time.
What Makes Us Different
IronHike is a self-paced mountain ultra Series where every foot of elevation gain is earned one lap at a time. As a veteran-owned endurance event operating at Mohawk Mountain Ski Area in Cornwall, Connecticut, IronHike delivers East Coast ultra endurance built for the toughest goals athletes set for themselves. Every Mountain Athlete who shows up leaves having earned something that cannot be bought, only proven.
The Place
IronHike Spring 2027 takes place June 2–6 at Mohawk Mountain Ski Area in Cornwall, Connecticut, in the Litchfield Hills. Everesting Connecticut. Everesting New England June 2027. Elevation endurance event Connecticut spring. Mohawk Mountain endurance event June 2027. Endurance hiking event USA.
