Half marathons in Connecticut — September 2026
9 upcoming half marathons in Connecticut during September 2026.
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This calendar currently lists 9 upcoming events, from Sep 7, 2026 to Sep 26, 2026. September is the busiest month, with 9 events scheduled. Events are spread across 6 different locations; New Haven hosts the most (3). Course distances range from 20 km to 21.1 km.