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19 marathons found for "Connecticut", Half marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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Colebrook, Connecticut, United States
26SEP
21.1K
Hogsback Half Marathon
Colebrook, Connecticut, United States
September 26, 2026 SEP
Old Greenwich, Connecticut, United States
27SEP
21.1K
Greenwich Half Marathon
Old Greenwich, Connecticut, United States
September 27, 2026 SEP
Cornwall, Connecticut, United States
03OCT
ULTRA
Iron Hike - Fall Kuwohi Trail Half Marathon Plus - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk
Cornwall, Connecticut, United States
October 3, 2026 OCT
Norwalk, Connecticut, United States
04OCT
21.1K
Garavel SoNo Half Marathon | 5K
Norwalk, Connecticut, United States
October 4, 2026 OCT
Norfolk, Connecticut, United States
04OCT
ULTRA
Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge
Norfolk, Connecticut, United States
October 4, 2026 OCT
Norwalk, Connecticut, United States
06OCT
21.1K
Sono Half + 5K with myTEAM TRIUMPH
Norwalk, Connecticut, United States
October 6, 2026 OCT
Hartford, Connecticut, United States
10OCT
42.2K
Amica Hartford Marathon Connecticut
Hartford, Connecticut, United States
October 10, 2026 BQ Qualifier
Hartford, Connecticut, United States
10OCT
42.2K
Eversource Hartford Marathon
Hartford, Connecticut, United States
October 10, 2026 BQ Qualifier
Cornwall, Connecticut, United States
11OCT
42.2K
Mohawk Mountain Race
Cornwall, Connecticut, United States
October 11, 2026 OCT
Northeast, Connecticut, United States
17OCT
ULTRA
Tackle the Trail (TM)
Northeast, Connecticut, United States
October 17, 2026 OCT
Ridgefield, Connecticut, United States
18OCT
42.2K
The Ridgefield Road Fest 50th ANNIVERSARY: 1/2 Marathon, 7-Miler, & Iris Fund 5K
Ridgefield, Connecticut, United States
October 18, 2026 OCT
WESTON, Connecticut, United States
25OCT
21.1K
Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
WESTON, Connecticut, United States
October 25, 2026 OCT
Roxbury, Connecticut, United States
14NOV
ULTRA
Roxbury Fall Classic
Roxbury, Connecticut, United States
November 14, 2026 NOV
Roxbury, Connecticut, United States
14NOV
ULTRA
Roxbury Marathon
Roxbury, Connecticut, United States
November 14, 2026 NOV
Danbury, Connecticut, United States
15NOV
42.2K
Tarrywile Half Marathon
Danbury, Connecticut, United States
November 15, 2026 NOV
Connecticut, United States
16NOV
ULTRA
Hillacious Half-Marathon
Connecticut, United States
November 16, 2026 NOV
Stratford, Connecticut, United States
21NOV
ULTRA
Storybook Half Marathon
Stratford, Connecticut, United States
November 21, 2026 NOV
West Haven, Connecticut, United States
27MAR
42.2K
Savin Rock Marathon
West Haven, Connecticut, United States
March 27, 2027 MAR
Stamford, Connecticut, United States
18APR
21.1K
Stamford Run Club 5k/10k/Half Marathon
Stamford, Connecticut, United States
April 18, 2027 APR

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