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Black Hog Brewing Co. 5K
Finishes at Black Hog Brewing Co. in Oxford
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New Haven Road Race
USA's 20K National Championship since 1978
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Groton City Brew Run
Located at Eastern Point Beach on Groton's shoreline
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Gulf Beach Half Marathon
Follows Silver Sands State Park's beachfront boardwalk
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Macedonia Trail Race
Climbs Cobble Mountain three times in the 50K
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East Haven Community Classic 5K
Passes East Haven's historic Old Stone Church
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Outrun Addiction 5K
Raises funds for addiction recovery in Enfield
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Darien Road Race
Starts at Darien's Pear Tree Point Beach
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Murray Lender 5K Bagel Run
Post-race bagel breakfast catered by Katz's Deli
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Farmington River Run 5K Trail Race
Finishes at the Farmington High School Boathouse
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Cockaponsett Trails to a Cure
Passes Pattaconk Reservoir Dam in Cockaponsett Forest
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Circle of Care Walk/Run for Kids With Cancer
Chip-timed 5K starts at Sherwood Island State Park
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No Sto Defeats MSA
Raises funds for Multiple System Atrophy research
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Tunxis Trail Races
Passes Devil's Kitchen on the Tunxis Blue-Blazed Trail
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Hogsback Half Marathon
Starts near Goodwin Dam in Colebrook's hill country
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Greenwich Half Marathon
Two loops around Greenwich Point Park on Long Island Sound
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.