Trail Running Calendar Connecticut 2026-2027

A trail event on the Moosup Valley State Park Trail featuring 5K, 8K, 10K and a Kids Fun Run. Parking and the finish are at Weidele's Pizza with post-race food, awards and a medallion or shirt option.

Experience a massive endurance test at Mohawk Mountain Ski Area. This ultra trail event features a 152 mile course with over 72,000 feet of elevation gain to be completed within 84 hours.

A 15-mile trail event at Mohawk Mountain Ski Area in Cornwall, CT with 7,140 feet of elevation and a 12-hour limit; participants may run, hike, walk, or compete in a relay, with registration listed as free for the stated window.

A 30 Hour looped trail event at Roosevelt Forest in Stratford CT on October 3 and 4, 2026 offering distances from 26.2 miles to 100 miles on a 2.5 mile loop with central aid at the pavilion and a finisher buckle for 100 miles.

Trail races at Bradford Preserve on October 3, 2026 feature 5K, 10K and a free kids run on dirt trails with seasonal course markings and a required orange clothing rule per state regulations.

A 26.4 mile trail marathon on the Nipmuck Trail in Ashford CT with varied terrain and wood bridges. Organizer Shenipsit Striders also offers a two person relay that splits the course into two halves.

The Haystack Mountain Challenge on October 4, 2026, features a 5K, 10K and a half marathon across Barbour Woods and Haystack Mountain, with steep climbs, private trail sections, a cupless policy, water stations and on site refreshments.

A third annual trail event on October 10, 2026 in Wilton, CT featuring a 5K trail race and an accessible short run/walk, event T-shirts, food and on-site access to farm grounds; proceeds support employment opportunities for people with disa..

Experience a trail race at Mohawk Mountain Ski Resort featuring distances from 5k to a full marathon. Run through fall foliage on a course that includes steep ski slopes and the scenic Mohawk State Forest.

Experience a point to point trail race in Northeast Connecticut on the Airline Trail. Choose between marathon, half marathon, and 10K distances with individual or relay team options to support local student education.

A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.

An off-road *50K* through interconnected woodland preserves in Guilford, Connecticut, featuring rocky single track and rolling forest roads. The course is set for experienced trail runners and has limited entries.

A fall trail event at Grills Preserve in Westerly with 10 mile and 10 km courses across single-track trails and riverfront sections. Club timing is used, orange clothing is required, and post-race refreshments are provided.

A community run at Ives Farm hosted by Cheshire Community YMCA and Cheshire Land Trust. Features a trail 5K, a youth Y Cup relay with elementary teams, a free Pumpkin Dash for young children and family fall activities.

Experience a unique timed trail event at Gurski Farm featuring a four mile loop of rolling farm trails and single track. Choose between eight hour, four hour, or 5K options in a community focused environment.

A 10K trail race in Penwood State Park featuring technical single track on the Metacomet Trail and rocky runnable terrain. No aid stations so runners must carry hydration for 6.2 miles; proceeds partly support NAMI.

A 5k chip-timed run/walk at Stonington Vineyards on November 8, 2026 featuring a two-lap cross country route through the vines. Registration includes a shirt, collapsible wine glass, finisher medal and a pour of wine.

A family friendly run and walk at West Thompson Dam on November 8, 2026 featuring a timed 5K trail run, a 3K untimed walk and a free kids 1/4 mile run; proceeds support local trails, parks and a food pantry.

Trail races at Tarrywile Park in Danbury, CT offering 10K, half marathon and marathon options on technical single track; the half uses a loop with close to 3K of elevation and a cupless race policy.

Experience a magical 13.1 mile trail race through the rolling hills of Roosevelt Forest. Complete eight loops of a wooded course while supporting a children's book drive in this unique costume friendly event.