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Ultra Races in Connecticut

16 upcoming Ultra races across Connecticut. Run This events are listed first — pick a city below to narrow it down.

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Cities in ConnecticutCornwall

16 races

Fri, Aug 14, 2026

Bikes & Beers Branford

Branford, CT

Outside45.0 mi30.0 mi15.0 mi

Fri, Aug 14, 2026

Lake Terramuggus Olympic Triathlon

Marlborough, CT

Outside32.1 mi25.9 mi

Sat, Sep 5, 2026

Ride with Hal

Westbrook, CT

Outside35.0 mi15.0 mi5.0 mi

Wed, Sep 30, 2026

IronHike Mohawk Mountain Fall 2026

Mohawk Mtn Ski Area, Cornwall, CT

Outside29.0 mi100.0 mi15.0 mi28.8 mi

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

Outside61.0 mi

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

Outside61.0 mi

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

Outside61.0 mi

Thu, Oct 1, 2026

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

Cornwall, CT

Outside43.0 mi

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

Outside43.0 mi

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

Outside28.0 mi

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

Outside28.0 mi

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

Outside61.0 mi

Fri, Nov 13, 2026

Roxbury Fall Classic

Roxbury, CT

OutsideMarathon31.1 mi

Fri, Jul 9, 2027

Litchfield Hills Triathlon

New Hartford, CT

Outside31.0 mi25.0 mi

Ultra races by city in Connecticut

Cornwall10