Trail Running Calendar Connecticut 2026-2027

Celebrate National Truffle Day with a chocolate themed trail run at Giddings Park. This event features a three loop 5K for all ages and a kids fun run to support Franklin Elementary School programs.

A technical out and back 50K on New Haven blue trails with about 6,350 feet of climbing, strict time cutoffs, no crews or pacers, and multiple aid stations including water only stops.

A two-race trail event in Lyme CT on May 3 2026 with a 9.2 mile Moore Trail loop and a 3 mile Sprint, both chip timed. All proceeds support the Lyme Fire Department and the Lyme Ambulance Association.

Spring Fling 600 in Southington, CT on May 9, 2026 features a 600 minute looped trail event and a 6 Mile race at YMCA Camp Sloper. Both events use chip timing and offer finisher medals and awards for top competitors.

A community event on May 9, 2026 featuring a Family Color Run and a 5K Trail Run at Hamden and New Haven YMCA locations. Registration runs from Feb 20 to May 8 with entry fees of $10 and $30; first 100 pre-registrants receive a Y giveaway.

Test your endurance on a 2.2 mile loop through the scenic Roosevelt Forest. This nine hour ultra event offers a supportive atmosphere for runners aiming to hit personal distance goals on classic New England trails.

A last person standing event on rugged Ragged Mountain in Berlin CT where runners repeat a roughly 3.11 mile loop each hour until one runner remains. Entry is limited to 55 and proceeds support local trail and youth running programs.

New for 2026: an all-new Soapstone Mountain Half Marathon and a 6K Sampler in Stafford Springs, CT, both routed through Shenipsit Forest and past the Soapstone fire tower. The event is part of the Blue Blazed Trail Running Series and suppor..

A 3.5 mile trail run and walk at Woodtick Recreation Area in Wolcott CT on May 17, 2026. Proceeds support the Wolcott Cross Country Teams and division winners receive medals, with race entry including a free $10 pass to the CT Food Truck Ba..

A community campus race in East Haddam with a 1.75 mile loop, kids races on the soccer field, water stops and reused trophy awards. The course is mainly packed dirt with hills and a fast downhill finish.

A one-day return of the Somers Summer 5K on May 17, 2026 at Field Road Park; entry is free and registration runs from August 28, 2025 to May 16, 2026. Proceeds support improvements to the park fitness trail.

Mine Hill Half Marathon is a 13.1 mile road race in Roxbury, Connecticut, with start and finish at Mine Hill Distillery. The course passes farms, fields and scenic vistas and includes a post-race gathering at the distillery.

A timed 5K trail race at Coogan Farm in Mystic, running through meadows, woods, and fields, with limited entry, tiered fees, an awards ceremony, and opportunities to meet Nature Center animal ambassadors.

Multi-day elevation based endurance events at Mohawk Mountain in Connecticut, June 4 to 7, 2026. Solo, Trail Buddy and Trail Family formats cover timed events from a 12-hour 15-mile option up to 84-hour 152+ miles with large elevation gain.

Experience a timed 5K trail run or walk through the scenic woods and fields of the Van Vleck Farm and Nature Sanctuary. Enjoy live music and food trucks at this annual community event in Woodbury.

Experience a day of trail running and mountain biking at the Norbrook Farm Brewery Trail Festival. Enjoy multiple race distances, local food trucks, and rewards at this scenic Connecticut brewery.

A 5K trail and obstacle run on the 400 acre campus of Gaylord Specialty Healthcare in Wallingford CT, featuring 24 obstacles and a festival area with vendors, live music, and food trucks, supporting the Gaylord Sports Association.

Six hours of looped trail running at Ansonia Nature Center on Saturday June 13, 2026. The course uses roughly 1.9 mile singletrack laps with about 170 feet of elevation gain per lap and is limited to 69 runners.

Trail races at Mansfield Hollow State Park: a roughly 15.7 mile out and back on the Nipmuck Trail and a new 5K trail loop. Proceeds support Connecticut trail stewardship groups.

A community 5K trail run, walk, and hike at Eisenhower Park in Milford on June 14, 2026, on a high school cross country course. The event supports the Milford Rotary and Beth El Center and includes music, water, snacks, awards, and T shirts..