There are 317 running races in Connecticut in 2026 across 132 cities. The next upcoming race is the Greenway 5K Charity Run & Walk in Derby on April 11. Popular distances include 5K races, trail runs, 10K races.

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Roxbury 38 Cornwall 23 Stratford 11 Milford 11 Bridgeport 10 Hartford 10 New Haven 9 Meriden 9 West Hartford 8 Norwalk 8 Hamden 8 Stamford 8 Westport 7 Danbury 7 Marlborough 7 Ridgefield 6 Waterbury 6 Madison 6 Fairfield 6 Middlebury 5 Bristol 5 New London 5 Wallingford 5 Niantic 5 New Britain 5 Mystic 5 Branford 4 Trumbull 4 Greenwich 4 Brookfield 4

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