Mohawk Mtn Ski Area, Cornwall, CT | Thursday, June 4, 2026Registration Open
...the "less talk about it, more be about it" year-defining Endurance Event Series that rewrites your story. "There is no peacocking here, everyone is after one thing. Pushing their own limits." — Amanda G · IronHike Kuwohi Finisher Hard things are harder alone. Buddies Half Off - Limited Time 50% off when you register with a Trail Buddy. Use code buddy50 at checkout. Half the price. Twice the suffering. All the proof. No buddy yet? Register for any Buddy Event now. Your buddy completes their info on RunSignUp later at no extra cost. Code buddy50 . All Buddy Events. Any Series. ▲ ▲ ▲ 29 states. 3 countries. Ages teens to 70s. This is who shows up. First-time Mountain Athlete? Start with Kuwohi 12 Hours · 15 Miles · 7,140' Gain 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 challenge Your pace is your pace. The Mountain doesn't judge. Neither does your Tribe. Register for Kuwohi Seasoned Ultra Athlete? 72,590 Feet of Vertical Gain The most of any ultra under 200 miles. On Earth. Olympus Mons Ultra. The Hardest Ultra on Earth. Or Mars. 84 Hours · 152.5 Miles · 72,590' Gain 477 feet of vertical per mile · No flat miles · Powered by Skratch Labs® You've done the 100-milers. You've done the crazy ultras. You have never had this much vert. Nowhere close. Only 3 finishers ever. To date. Register for Olympus Mons Buddies Half Off — code buddy50 Save at least $50 — code reg50 ️ Vets, Military & 1st Responders — $70 off — code brave70 Trail Family of 4 — save up to 25% per person — code reg50 Choose Your Summit Solo. Go it alone, but surrounded by a Tribe. Trail Buddy. Partner up for shared endurance. Trail Family. A FlexRelay team of four. Each Event uses our FlexRelay forma