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Ultramarathons in Connecticut

2026 and 2027 race calendar. 2 upcoming, updated daily.

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All 96 cities and towns

Roxbury8 New Haven6 Stratford6 West Hartford6 Fairfield5 Litchfield5 Norwalk5 Mystic4 Brookfield3 Hamden3 New Canaan3 Trumbull3 Wallingford3 Avon2 Berlin2 Bethel2 Branford2 Cheshire2 Collinsville2 Cromwell2 Darien2 Hartford2 Kent2 Manchester2 Marlborough2 Meriden2 Milford2 Mohawk Mtn Ski Area, Cornwall2 New London2 New Milford2 Redding2 Ridgefield2 Simsbury2 Sterling2 Stonington2 Waterbury2 Watertown2 WESTON2 Westport2 Wilton2 Woodbridge2 Andover1 Bethlehem1 Bridgeport1 Broad Brook1 Canterbury1 Central Village1 Colchester1 Coventry1 Danbury1 Durham1 East Hampton1 East Hartford1 East Hartland1 Easton1 Essex1 Falls Village1 Farmington1 Glastonbury1 Granby1 Groton1 Guilford1 Hebron1 Higganum1 Killingworth1 Madison1 Middlefield1 Middletown1 Moodus1 New Fairfield1 New Hartford1 Newtown1 North Haven1 North Stonington1 Norwich1 Old Saybrook1 Orange1 Pawcatuck1 Shelton1 South Glastonbury1 Southbury1 Southport1 Stamford1 Storrs1 Storrs Mansfield1 Thomaston1 Thompson1 Vernon Rockville1 Voluntown1 Warren1 Washington Depot1 Waterford1 Windsor Locks1 Wolcott1 Woodbury1 Woodstock1

June 2027

IronHike Mohawk Mountain Spring Series 2027

Mohawk Mtn Ski Area, Cornwall, Connecticut, United States · Jun 3 to Jun 6, 2027

TrailUltra15 miles

October 2027

IronHike Mohawk Mountain Fall Series 2027

Mohawk Mtn Ski Area, Cornwall, Connecticut, United States · Oct 7 to Oct 10, 2027

TrailUltra15 miles