Trail Running calendar near Guilford 2025-2026

We have found 74 Trailruns within 80 miles of Guilford. See below where and when you can find the races.

The Running Wild at Wildwood is a 2.5-mile trail run/walk held at Wildwood State Park in Wading River, New York. This scenic event takes place rain or shine, offering participants a chance to enjoy the natural beauty of the park while running or walking a well-marked trail. Runners can register in a..

The Interstate 17 Trail Run, taking place in Closter, NJ, is a challenging 17-mile race designed for experienced runners. Participants will navigate a rugged course featuring over 5,000 feet of elevation change, with stunning views along the Hudson River. The race consists of four loops, including a..

The Tappen Brook 5K, held in Bridgewater, Connecticut, is a scenic trail race through the newly developed Bridgewater Town Park. Now in its second year, this 5K course features gently rolling hills and natural trails winding through woodlands with views of Lake Lillinonah. The terrain combines packe..

The Stonington Cross Country 5K is a running event scheduled for August 13, 2025, in Pawcatuck, Connecticut. This event features a 5K race along with a Children's 1/2 Mile, catering to young participants aged 10 and under. The race begins on the track at Stonington High School, followed by a scenic..

The Fabulous Fahnestock Trail Races take place in Fahnestock State Park near Cold Spring, NY, offering distances of 50K, 25K, and a 5.5-mile race. The course features a mix of runnable dirt roads and technical single-track trails, with scenic views including lakes, ponds, and old rail beds. Runners..

The Hook Mountain Ultra is a challenging 51.7-mile trail run held in Upper Nyack, New York, featuring 10,928 feet of elevation gain. The course includes one 5.7-mile small loop followed by four 11.5-mile big loops, all starting and finishing at Nyack Beach State Park. Runners begin with a steep 1.6-..

The Dirty Dozen 50K is a challenging ultramarathon held in New York City, featuring a 50-kilometer distance composed of 12 hilly loops in Forest Park. Known as one of the tougher ultra-races in the city, it tests both physical endurance and mental toughness. The course's repetitive loop format and e..

The Jug End Loop Ultra, held at Jug End State Reservation in Egremont, Massachusetts, is a challenging 6-hour ultra running event featuring a 4.2-mile loop course through woods, fields, and an apple orchard. Each lap includes approximately 830 feet of elevation change, with equal uphill and downhill..

Raptor Ridge Presented by Peace, Love, Trails is a challenging 6.5-mile trail race held at the Westmoreland Sanctuary in Mount Kisco, New York. The event takes runners through the scenic and rugged trails of the 669-acre wildlife preserve, which spans three towns and offers 8.5 miles of hiking paths..

September 2025

The Cross-Connecticut Run for Mental Health Awareness is a unique 56-mile group running event held annually in Connecticut, starting in West Suffield and ending in New Haven along the scenic, flat Farmington Canal Heritage Trail. This non-competitive challenge supports Mental Health Connecticut thro..

The Wicked Mudder will take place in Southwick on Sunday 7 September 2025. You can run between 5 and 5 kilometers.

The Macedonia Trail Race, held annually in Macedonia Brook State Park in Kent, Connecticut, offers trail runners a unique experience with its lush forest trails, challenging climbs and descents, and stunning viewpoints including Cobble Mountain, where runners can see the Catskill Mountains on clear..

The Wahaneeta Trail Run is a 5K trail race taking place in Westerly, Rhode Island, as part of the WTAC Fall Race Series. This event emphasizes a "no frills" approach, foregoing modern amenities like t-shirts and extensive awards to keep costs low and logistics simple. Participants can enjoy a classi..

The Pawling 24 Hour Trail Running Festival, held in Pawling, NY at Lakeside Park, offers runners a challenging and festive endurance experience. Participants can choose from 3, 6, 12 (including a night start), or 24-hour timed races on a 1.68-mile loop course featuring pavement, grass, and single-tr..

Run for the Hills is an annual 5K trail run and walk held at the Oswegatchie Hills Nature Preserve in Niantic, Connecticut. The event features a scenic course that winds around Clark Pond and through over 450 acres of coastal forest, offering participants a beautiful natural setting. It serves as a..

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

The Charlie Stavros Memorial Beach Run is a free, end-of-summer 3-mile running event held at Westerly Town Beach, Rhode Island. Organized by the Westerly Track Club and the Stavros family, the race features a scenic route that includes a 1.5-mile out-and-back course along the beach at low tide. This..

The Cockaponsett Trails to a Cure is a running event taking place in Chester, Connecticut, featuring two trail races: a 4-mile and a 9-mile course through the scenic Cockaponsett State Forest. The course includes challenging terrain with roots, rocks, and hills, and is designed to accommodate runner..

The Angevine Farm Trail Festival, held annually in Warren, Connecticut, offers a scenic and challenging trail running experience in the Northwest corner of the state. The event features multiple distances including a half marathon, a new 8-hour race on a 1.25-mile farm loop, and 5K races including a..

The Front Runners New York Cross Country 5K is an exciting running and walking event scheduled to take place at Van Cortlandt Park in the Bronx on September 27, 2025. This event invites participants of all skill levels to enjoy a scenic course while promoting fitness and community spirit. The 5K run..