Trail Running Calendar Connecticut 2026-2027

We have found 63 Trailruns in Connecticut. Check below where and when you can find the races.

New for 2026 at Putnam Memorial State Park, The Revolution is a timed trail event run on a 1.776 mile loop that passes Revolutionary War sites. Runners choose 12 hour, 6 hour, or 3 hour formats and carry their own hydration.

A memorial 5K run and walk at Owen Bell Park in Dayville CT that raises funds for a scholarship for Killingly Ag-Ed seniors. The day includes a 5K, a walk, and a kids fun run on off-road paths with possible trip hazards.

A one-mile out-and-back on the Farmington Canal Heritage Trail in East Granby, offered in two waves and hand timed, on crushed gravel. Limited parking and a $25 registration fee; all proceeds benefit charities.

A 5.5 mile trail race at Soapstone Mountain with six ascents and about 1500 feet of climb. The field is capped at 50 runners for parking reasons and online registration is required.

August 2026

A community cross country meet at Stonington High School offering a 5K and a children's 1/2 mile. The course mixes track, quiet campus streets, trails, grass, and finishes back on the track.

A forested 5K on the new trails at Bridgewater Town Park in Bridgewater, CT. The 3rd annual event features mixed natural terrain, views of Lake Lillinonah, participant gifts and awards for top finishers.

Step Up for the Brave runs Aug 10–15, 2026 with 90 minute stair climb and walk challenges at Sacred Heart University plus a five day 40,000 step virtual challenge supporting veterans experiencing homelessness.

A community running event in Tolland, CT featuring a marked 5K trail loop run repeatedly over an eight hour period, potluck food and grill items, raffle tickets awarded per loop, and a 50th anniversary gift for runners who complete at least..

September 2026

Experience a scenic 3.3 mile trail run or hike through the Oswegatchie Hills Nature Preserve. Support local land conservation while enjoying a timed course around Clark Pond followed by an awards ceremony with refreshments.

Sterling Down & Dirty 5K is an annual family friendly obstacle race on Stratford Short Beach each September. Participants tackle more than 18 obstacles, join teams to fundraise for the Sterling Community Center, or volunteer on race day.

A group, end-to-end run along the Farmington Canal Heritage Trail from West Suffield to New Haven, roughly 56 miles, raising funds for Mental Health Connecticut. The route is largely flat and unsupported with a 14 hour completion cut off.

Trail race at Macedonia Brook State Park in Kent, Connecticut on September 13, 2026. Courses of 12K, 25K and 50K on single track forest trails with steep climbs, technical sections and cupless aid stations.

A free 3 mile out-and-back beach run at Westerly Town Beach held at low tide. The community event is organized by the Westerly Track Club and the Stavros family as a memorial run.

A community fundraiser at Pomfret Community School featuring a 5K trail run and a 0.5 mile kids fun run, with early and late registration tiers, age and gender awards, and finisher medals for all participants.

Trail races in Ridgefield CT offering a single loop of about 4.25 miles or a double loop of about 8 miles through Hemlock Hills and Pine Mountain. The technical, rocky course starts and ends at the Lake Windwing ballfields.

A 5K trail run at Winding Trails in Farmington on the designated course around Walton Pond, with registration from February 20 to September 20 and a $35 fee; overall and age-group awards plus a prize for the first local finishers.

Experience the technical terrain of Cockaponsett State Forest with 4 and 9 mile trail races. Navigate hills and rocky paths in Chester to support PanCAN and the Blue Blazed Trail Race series.

Trail races on the restored Moosup Valley State Park Trail in Moosup CT with 5K, 10K and a free Kids Fun Run, post-race food at Rotary Park, and proceeds supporting the Rotary Club of Plainfield Foundation.

October 2026

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 24 hour trail event at Mohawk Mountain Ski Area in Cornwall Connecticut featuring a Double Kuwohi route of about 28 miles and 13,685 feet of elevation. Participants may run, hike, or walk.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.