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Trail Running calendar near Groton 2026-2027

We have found 141 Trailruns within 80 miles of Groton. See below where and when you can find the races.

Run Across CT

Thompson - 46 mi from Groton

A 123-mile point-to-point ultramarathon across Connecticut combining roughly 57 miles of trails with paved backroads, a 36-hour cutoff, relay options, aid stations, on-course medical support, and finish awards including a buckle and event s..

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