Trail Running calendar near Stamford 2025-2026

We have found 88 Trailruns within 80 miles of Stamford. See below where and when you can find the races.

C'mon Armageddon is an exhilarating running event set in the challenging terrain of Norvin Green State Park, West Milford, NJ. Scheduled for May 18, 2025, participants can choose from three race distances: a grueling 50K with over 7000 feet of elevation gain, a 10 Miler with 2000 feet, or a 5 Miler ..

The Spring Run The Farm event, scheduled for May 18, 2025, in Katonah, NY, features a 5-mile trail race and two kids' races. The main event is open to participants aged 6 and older, while the kids' races cater to ages 7-12 and 6 and under. The race takes place at Muscoot Farm, showcasing the park's ..

The Mine Hill Half Marathon, held at the scenic Mine Hill Distillery in Roxbury, Connecticut, is touted as one of the toughest road half marathons in the state. Participants can expect a challenging course that offers stunning views of farms, fields, and picturesque landscapes. The event features a ..

The Forest Park Runners Classic 4 Mile Road and Trail Race is an exciting running event scheduled for May 25, 2025, in Woodhaven, NY. Participants will enjoy a scenic 4-mile out-and-back course that traverses the beautiful trails and roads of Forest Park, starting and finishing at Victory Field Trac..

June 2025

The IronHike Endurance Series - Spring 2025 takes place at Mohawk Mountain in Cornwall, CT, from June 5 to June 8, 2025. This unique event combines hiking and trail running, offering participants various challenges, including individual and team formats. Events range from 12 to 84 hours, with distan..

The Sri Chinmoy 24-Hour, 12-Hour, and Midnight Marathon is a running event taking place at Rockland Lake State Park, NY. This scenic race features a flat, 2.95-mile paved loop, ideal for both first-time ultra runners and those aiming for personal records. The event emphasizes high standards of runne..

The Ansonia Six Hour Trail Run is an exciting endurance event taking place at the Ansonia Nature Center in Ansonia, Connecticut. Participants will tackle approximately 1.9-mile loops of moderately technical singletrack trails, featuring about 170 feet of elevation gain per loop. Scheduled for the se..

The Norbrook Farm Brewery Trail Festival is an exciting outdoor event featuring a variety of trail races and mountain biking activities. Set in the picturesque Norbrook Farm Brewery, participants can enjoy a day filled with adventure, including a 4-hour run, 10K and 5K runs, and a run/bike duathlon...

The XTERRA Transcend Trail Run, taking place on June 14, 2025, at Dickerson Mine Preserve in Randolph, NJ, offers a scenic and accessible trail running experience. Participants can choose from three distances: a Half Marathon, a 10K, and a 5K, each featuring beautiful lakeside views and manageable e..

The Summer Solstice Trail Run is an exciting early morning event held in Gay City State Park, offering participants three race distances: 3 miles, 5 miles, and 8 miles. The 8-mile race is part of the 2025 Blue-Blazed Trail Running Series and the USATF-CT Mountain, Ultra and Trail series, providing a..

TPK Bad Decisions is an exciting 30-hour team event held in Andover, NJ, where four-person teams tackle a series of mandatory challenges. This unique competition combines elements of adventure racing and problem-solving, requiring participants to navigate, carry heavy loads, and complete various tas..

The Brooksvale 12-Hour event is a unique running challenge set in Hamden, CT, featuring a 4.25-mile loop with a total elevation gain of 500 feet. Participants can aim for various distances, including 50 miles, a marathon, or a 50k, making it suitable for runners of all levels. The event includes aid..

The Centurion Ultra Trail Event, part of the Roosevelt Forest Ultras series, is set to take place in Stratford, Connecticut, featuring a challenging 100-mile race with a loop course of 2.5 miles. Participants can earn one of three buckles based on their completion time: Red for under 24 hours, White..

July 2025

The Red Wing Trail Challenge, organized by Conquer The World Endurance, is set for July 6, 2025, in Lagrangeville, NY. Participants can choose between a challenging 60K race with approximately 6,600 feet of elevation gain or a 15K race with about 1,650 feet of gain. The course features a mix of gras..

The 7-11 Slurpee Day Ultra 60k is a unique running event taking place on July 11, 2025, in Connecticut. Participants will cover a self-supported distance of 37.5 miles, stopping at various 7-11 locations along the route. The event encourages a fun and relaxed atmosphere, with no strict course or pac..

The Squatchy Surprise is an exciting endurance event taking place at South Mountain Reservation in West Orange, New Jersey. Participants will face unique challenges as their course choices are determined by a draw from colored golf balls, adding an element of luck to the race. The event supports the..

The Second Annual Orange Runners Club Summer Sizzle XC5k is a cross-country running event taking place at the Rich Furst Sanfordville Elementary School XC Course in Warwick, NY. This event emphasizes teamwork, dedication, and fun, making it suitable for participants of all ages. The race features a ..

August 2025

The MCW Westfield Ultra is an exciting endurance event organized by MissionCleanWater, taking place at Tamaques Park. Participants can choose to run for various durations, including 3, 6, 9, 12, or 24 hours, completing as many laps as possible around the park. This annual event aims to challenge run..

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 technical trails and stunning views along the Hudson River. The race consists of fo..

The Thunder Chicken Squatch is an exciting trail running event taking place at Stokes State Forest in Branchville, NJ. Scheduled for August 10, 2025, participants can choose between a 10K or a challenging 17-mile course. The event honors military personnel by offering a 50% discount on entries for a..