Race calendar

Running Races in Cornwall, CT

13 upcoming races in and around Cornwall. Run This events are listed first — jump to a specific distance below.

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DistanceAll 5K Ultra

Nearby citiesRoxbury Stratford Hamden New Haven Fairfield Bridgeport Marlborough New London Groton Newtown Middlebury Meriden

13 races

Wed, Sep 30, 2026

Iron Hike - Fall Olympus Mons Ultra Trail Marathon - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, CT

Outside152.0 mi

Wed, Sep 30, 2026

Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, CT

Outside152.0 mi

Wed, Sep 30, 2026

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Cornwall, CT

Wed, Sep 30, 2026

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon Relay - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Cornwall, CT

Wed, Sep 30, 2026

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Full (Backyard Ultra Format) - 100+ Miles | 50,400' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, CT

Thu, Oct 1, 2026

Iron Hike - Fall Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, CT

Thu, Oct 1, 2026

Iron Hike - Fall Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 2, 2026

Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 2, 2026

Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 2, 2026

Iron Hike - Fall Kuwohi Trail Half Marathon Plus - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 2, 2026

Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 2, 2026

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or Walk

Cornwall, CT

Fri, Oct 16, 2026

The Little Guild 13th Annual Run & Wag 5K

Cornwall, CT