# Ultra Races in Cornwall, CT (2026)

> 10 upcoming Ultra races in Cornwall, Connecticut.

- **Page:** https://runthis.run/races/connecticut/cornwall/ultra

## Races

- **[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](https://runthis.run/event/rs-181117-ironhike-olympus-mons-ultra-run-power-hike-walk-mohawk-mount)** — Thu, Oct 1, 2026 · 12:00 AM UTC · Cornwall, CT · 152.0 mi
- **[IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Trail Buddy Flex Relay (2 Mountain Athletes) - 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](https://runthis.run/event/rs-181122-ironhike-olympus-mons-ultra-run-power-hike-walk-mohawk-mount)** — Thu, Oct 1, 2026 · 12:00 AM UTC · Cornwall, CT · 152.0 mi
- **[Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.](https://runthis.run/event/rs-181145-everest-60-mile-60-miler-just-over-29029-feet-of-elevation-g)** — Thu, Oct 1, 2026 · 12:00 AM UTC · Cornwall, CT · 61.0 mi
- **[Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.](https://runthis.run/event/rs-181147-everest-60-mile-60-miler-just-over-29029-feet-of-elevation-g)** — Thu, Oct 1, 2026 · 12:00 AM UTC · Cornwall, CT · 61.0 mi
- **[Answer the Bell Full - 100 Mile + (100 Miler) - Complete a 1.2 mile, 600 foot loop every hour, on the hour, for up to 84 hours, until you can no longer answer the bell. - Elevation Endurance Ultra Backyard Trail Marathon - 100 + Miles | 84 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, hike, or walk with us as we redefine race day.](https://runthis.run/event/rs-186897-answer-the-bell-full-100-mile-100-miler-complete-a-1-2-mile-)** — Thu, Oct 1, 2026 · 12:00 AM UTC · Cornwall, CT · 61.0 mi
- **[Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.](https://runthis.run/event/rs-181154-denali-40-mile-40-miler-if-you-can-only-spare-your-whole-wee)** — Fri, Oct 2, 2026 · 12:00 AM UTC · Cornwall, CT · 43.0 mi
- **[Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.](https://runthis.run/event/rs-181162-denali-40-mile-40-miler-if-you-can-only-spare-your-whole-wee)** — Fri, Oct 2, 2026 · 12:00 AM UTC · Cornwall, CT · 43.0 mi
- **[Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk](https://runthis.run/event/rs-181215-iron-hike-fall-double-kuwohi-trail-marathon-plus-28-miles-13)** — Sat, Oct 3, 2026 · 12:00 AM UTC · Cornwall, CT · 28.0 mi
- **[Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk](https://runthis.run/event/rs-181216-iron-hike-fall-double-kuwohi-trail-marathon-plus-relay-28-mi)** — Sat, Oct 3, 2026 · 12:00 AM UTC · Cornwall, CT · 28.0 mi
- **[Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or Walk](https://runthis.run/event/rs-186896-iron-hike-fall-answer-the-bell-ultra-trail-marathon-basic-ba)** — Sat, Oct 3, 2026 · 12:00 AM UTC · Cornwall, CT · 61.0 mi

## Nearby

- [All races in Cornwall, CT](https://runthis.run/races/connecticut/cornwall.md)
- [Ultra races in Connecticut](https://runthis.run/races/connecticut/ultra.md)

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Source: [https://runthis.run/races/connecticut/cornwall/ultra](https://runthis.run/races/connecticut/cornwall/ultra) — data from Run This (runthis.run).