Running Races in Cornwall, Connecticut
14 upcoming races in Cornwall, updated nightly. For radius search from your exact zip, use the Race Finder.
Racing in Cornwall: what the calendar looks like
There are 14 upcoming races on the Cornwall calendar over the next 12 months, with race dates in 1 of the next 12 months. October is the busiest month, with 14 races. Among Connecticut cities, only Roxbury has more upcoming races.
Of those, 4 offer a 100K, 2 offer a 100+ Mile and 2 offer a 50 Mile. The next marathon on the calendar is Mohawk Mountain Race on October 11, which also runs a half marathon.
Close enough for a race-day drive: Roxbury (15 races, 19 miles), West Hartford (10 races, 28 miles).
Races by month
- Oct 202614 races
October 2026
- Thu 10/1Answer 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.Cornwall, CT · 61 Miles · Trail · registration closed · register ↗
- Thu 10/1Everest - 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.Cornwall, CT · 61 Miles · Trail · registration closed · register ↗
- Thu 10/1Everest - 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.Cornwall, CT · 61 Miles · Trail · registration closed
- Thu 10/1IronHike 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 UltraCornwall, CT · 152 Miles · Trail · from $1495 · registration closed · register ↗
- Thu 10/1IronHike 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 UltraCornwall, CT · 152 Miles · Trail · from $2452 · registration closed
- Fri 10/2Denali - 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.Cornwall, CT · 43 Miles · Trail · registration closed · register ↗
- Fri 10/2Denali - 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.Cornwall, CT · 43 Miles · Trail · registration closed
- Sat 10/3Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 61 Miles · Trail · registration closed · register ↗
- Sat 10/3Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 28 Miles · Trail · registration closed · register ↗
- Sat 10/3Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 28 Miles · Trail · registration closed · register ↗
- Sat 10/3Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or WalkCornwall, CT · 15 Miles · Trail · registration closed · register ↗
- Sat 10/3IronHike Kuwohi | Run, Power Hike, Walk. Solo | Start Here | Mohawk Mountain, Connecticut | 15 Miles | 7,140' Elevation | 12-Hour | Fall October - 7,140 feet of elevation gain across 12 laps on Mohawk Mountain Trail, the entry point for first time Mountain Athletes. - Elevation Endurance Half Marathon - We are redefining race day. Tags: Iron Hike, Trail Half Marathon Plus, Half Marathon, 15 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Beginner EnduranceCornwall, CT · 15 Miles · Trail · from $145 · registration closed · register ↗
- Sun 10/11Mohawk Mountain RaceCornwall, CT · Marathon · Half Marathon · 10K · 5K · Trail · register ↗
- Sat 10/17The Little Guild 13th Annual Run & Wag 5KCornwall, CT · 5K · from $35 · register ↗
Where to stay in Cornwall
Race-weekend hotel search, dates prefilled for check-in the night before.
- Oct 1Answer 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.Find hotels for this race weekend
- Oct 1Everest - 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.Find hotels for this race weekend
- Oct 1Everest - 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.Find hotels for this race weekend
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Planning a race
- Getting inlotteries, qualifiers, and how entry works for the races that sell out
- Lottery watchwhich race lotteries and registration windows are open right now
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