Trail Running calendar near Westport 2025-2026

We have found 27 Trailruns within 80 miles of Westport. See below where and when you can find the races.

Take on a scenic 15.7 mile trail run on the Nipmuck Trail in Mansfield CT, following the Fenton River through woods, fields and small bridge crossings. Organized by the Shenipsit Striders, proceeds support local trail stewardship.

August 2026

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..

Hit the fields at Waters Farm on Sunday, August 23, 2026 for the Old Goat Track Club XC Classic, a fast and friendly 5K cross country through scenic farm trails. A USATF New England Grand Prix stop with race day registration available.

September 2026

Trail Animals Running Club Fall Classic at Great Brook Farm State Park offers scenic trails and distances from 10K to 50 mile, plus a youth fun run and Mischief Mile. Aid stations and vegan options support runners in this cupless event.

Tackle a scenic 5K through Oswegatchie Hills Nature Preserve, winding past Clark Pond on root and rock strewn trails; hikers welcome. This fourth annual run benefits preserve maintenance and finishes with local pub awards and camaraderie.

Hit the newly restored Moosup Valley State Park Trail on Sunday, September 27 for scenic 5K, 10K and a kids fun run on all trail terrain. Post race food and gear, leashed dogs welcome, and proceeds support the Rotary Club of Plainfield.

October 2026

Run scenic, rooty trails in Groton Town Forest on October 4 with 9.5 mile and 3.4 mile options through rolling hills and rocks. Limited to 250 runners with refreshments and awards.