Trail Running Calendar Connecticut 2026-2027

We have found 50 Trailruns in Connecticut. Check below where and when you can find the races.

Test your endurance on a 4.25-mile loop in Hamden, CT. Set a goal from a marathon to 50 miles within the 12-hour window. Your registration supports local trail maintenance and comes with unique swag.

July 2026

Join a community trail run or walk at Owen Bell Park to support the Ryan French Memorial Scholarship Fund. This family friendly event features a 5K trail, a walk, and a free kids fun run.

A unique trail race at Soapstone Mountain featuring six ascents. Runners circle the base and climb each upward trail they find, finishing with the infamous Killer Hill. The challenging course includes rocky and steep terrain.

August 2026

An evening cross-country event at Stonington High School on August 5, 2026, featuring a 5K and a Children's 1/2 Mile for ages 10 and under. The course starts and finishes on the track and includes campus streets, trails, grass, and a bridge..

Explore the new trails of Bridgewater Town Park at the Tappen Brook 5K. This community trail run on August 9, 2026, offers a scenic course through woodlands with views of Lake Lillinonah. Participants receive a gift, and top finishers win p..

Join an 8-hour celebration run on a 5K trail loop in Tolland, CT. Earn raffle tickets for each loop and enjoy a community potluck. All participants receive a special 50th-anniversary gift.

September 2026

Experience a scenic 5k trail run or hike through the Oswegatchie Hills Nature Preserve in Niantic featuring views of Clark Pond and natural woodland terrain.

Explore the singletrack of Macedonia Brook State Park in Connecticut. Choose from 12K, 25K, or 50K distances on a course featuring climbs, technical trails, and the famous viewpoint atop Cobble Mountain. Enjoy a post-race celebration with f..

Join the Charlie Stavros Memorial Beach Run on September 15, 2026 in Westerly, Rhode Island, a free 3 mile beach run honoring a beloved local runner. Enjoy a scenic low tide out and back along Westerly Town Beach with friends and family.

The Where the Pavement Ends trail race offers a technical 4.25-mile single loop or an 8-mile double loop through the Hemlock Hills. It's part of the multi-race Trail Mix Series. Both races start and finish at the Lake Windwing ballfields in..

Run a scenic 5K trail race through 300 acres of natural terrain at Winding Trails in Farmington. Compete for age group awards and the local Lee Chisholm Award on a course surrounding Walton Pond.

Run the Moosup Valley All Trail Race on September 27, 2026. Choose from a 5K, 8K, or 10K on the 100% trail course at Moosup Valley State Park. After the run, enjoy post-race food and a choice of a shirt or medallion.

October 2026

IronHike Endurance Series runs October 1 to October 4, 2026 at Mohawk Mountain Ski Area in Cornwall CT. The series offers multiple ultra trail events from about 61 miles to 152 miles with large elevation gains and run, hike or walk options.

This 24-hour trail challenge in Cornwall, CT, covers over 28 miles and 13,685 feet of elevation gain. Participants can run, hike, or walk the double marathon distance or tackle it as a relay.

The Run for the Pumpkins Trail Run will take place in Westerly on Saturday 3 October 2026. You can run between 5 and 10 kilometers.

The NipMuck Trail Marathon is a classic 26.4-mile race on Connecticut's rugged Nipmuck Trail. Runners can also team up for a two-person relay. The event supports local trail programs through the nonprofit Shenipsit Striders running club.

Challenge your legs on the slopes of Mohawk Mountain Ski Resort in Cornwall, CT. Choose from marathon, half marathon, 10K, or 5K distances on a course featuring climbs, descents, and fall foliage views. Hikers are welcome on the shorter tra..

Experience the quiet solitude of Northeast Connecticut in this point to point race featuring marathon, half marathon, and 10K distances for individuals and relay teams.

This 3.5-mile trail run/walk on the flat Mill Pond Trail happens in Wolcott, CT. The Wolcott Lions Club hosts the event, which includes a race t-shirt and clam chowder. Registration opens online with a lower early-bird rate.

The Grills Trail Run will take place in Westerly on Saturday 24 October 2026. You can run between 10 and 10 miles.