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Trail Running calendar near Ansonia 2026-2027

We have found 182 Trailruns within 80 miles of Ansonia. See below where and when you can find the races.

Run Across CT

Thompson - 76 mi from Ansonia

A 123 mile point to point ultramarathon across Connecticut featuring about 57 miles of trail, a 36 hour cutoff, solo and relay options, and belt buckles for 200K finishers.

Sleeping Giant Trail Runs

Hamden - 9 mi from Ansonia

Trail races at Sleeping Giant Park in Hamden, CT offering a 25K loop with 3K+ vertical and a 50K two loop option. The course features technical singletrack, steep rock scrambles, aid stations, and finisher medals.

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