Trail Running calendar near Closter 2025-2026

We have found 94 Trailruns within 80 miles of Closter. See below where and when you can find the races.

The Nassau Suffolk Trail Marathon & 15 Miler is a premier running event taking place in Farmingdale, NY, on May 18, 2025. This event features two main races: a full marathon and a 15-mile trail run, both set in the scenic Bethpage State Park. Participants will enjoy a well-marked course that include..

C'mon Armageddon is a challenging trail running event held in West Milford, New Jersey, featuring courses of 50K, 10 miles, and 5 miles. The race takes participants through rugged, technical terrain, including boulder fields, river crossings, and mountain peaks with scenic views, such as the New Yor..

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 area's..

The Jacobsburg 5k & 10k - The GNOMES are Back event is set to return after a six-year hiatus, taking place in Wind Gap, PA. Participants can enjoy scenic trails along the Bushkill and Sobers Run creeks, featuring a 5k and a 10k course, with the latter being a second lap of the former. New additions..

The NSRF Long Island Lemonade Trail 5K is a vibrant running event taking place at Blydenburgh County Park on May 24, 2025. This trail run offers participants a refreshing experience with a mix of pavement, dirt roads, and hard-packed trails. The event includes a free Kiddie Dash and features post-ra..

The Forest Park Runners Classic 4 Mile Road and Trail Race is set to take place on May 25, 2025, at Victory Field Track in Woodhaven, NY. This event features a scenic 4-mile out-and-back course through the beautiful trails and roads of Forest Park. Participants can expect custom technical T-shirts a..

The Mine Hill Half Marathon, held in Roxbury, Connecticut, is known as the toughest road half marathon in the state. Starting and finishing at the scenic Mine Hill Distillery, the challenging 13.1-mile course features a mix of paved and dirt roads with significant elevation changes, including a stee..

The Peach Hill "Run For the Hill of It" 5K is a cross-country running and walking event taking place at Peach Hill Park in Poughkeepsie, NY. Participants will traverse scenic trails, reaching the highest point in the town for stunning views. Open to all ages, the event encourages both runners and wa..

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 Flanders Field & Forest 5K is an annual trail run and walk held at Flanders’ Van Vleck Farm & Nature Sanctuary in Woodbury. Covering 3.1 miles of scenic trails, the event welcomes participants of all ages and fitness levels. It is officially timed and features divisions for different age groups,..

The Sri Chinmoy 24-Hour, 12-Hour, and Midnight Marathon is a scenic ultramarathon event held at Rockland Lake State Park near New York City. Participants can choose between a 24-hour race, a 12-hour race, or a midnight marathon, all taking place on a flat, fast 2.95-mile paved loop around the lake...

The Beer Mountain Challenge at Upward Brewing Company in Livingston Manor, NY, is a trail running event set on a 120-acre mountain property in the Catskills. Participants can choose between a 2-mile loop with 515 feet of elevation gain or a 4-mile course consisting of two loops totaling 1,030 feet o..

The Levee Loop Trail Race 10k & 5k Fundraiser is set to take place in East Stroudsburg, PA, featuring both a timed 10k race and a 5k race/walk. This event aims to raise funds for Stroud Greenways while participants enjoy the scenic Levee Loop Trail. The terrain includes grass, gravel, sidewalks, and..

The Dash and Deciduous 5K Trail Run is a unique and challenging event taking place at Crystal Lake Park in Bordentown, NJ. Scheduled for June 7, 2025, this free, timed "FATASS" run is designed for a limited field of 40 runners, emphasizing a fun and competitive atmosphere. Participants can expect a..

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 on moderately technical singletrack trails, featuring about 170 feet of elevation gain per loop. Scheduled for the se..

The XTERRA Transcend Trail Run is an annual event held at Dickerson Mine Preserve in Randolph, New Jersey, and serves as a qualifier for the 2026 XTERRA Trail Run World Championships in Wales. The event features three race distances: a half marathon, 10K, and 5K, all set on fast, flowy singletrack t..

The Reckless Red Eye Endurance Run is an exciting endurance event scheduled for June 22, 2025, in Columbus, NJ. Participants can choose from various race formats, including 3-hour, 6-hour, 12-hour, and a 12-hour team relay. The course features a flat and fast 3.3-mile loop at the Burlington County F..

"TPK Bad Decisions" is a challenging 30-hour team endurance event scheduled for June 27-28, 2025, in Andover, NJ. It involves four-person teams competing in a non-stop race filled with physical and mental challenges inspired by the "Amazing Race" format. Participants must navigate, problem-solve, an..

The Brooksvale 12-Hour event is a unique running challenge taking place in Hamden, CT, where participants can test their endurance over a 12-hour period on a scenic 4.25-mile loop with a total elevation gain of 500 feet. Runners can aim for various distances, including 50 miles, marathons, or 50k, m..

The Centurion Ultra Trail Event is an endurance race held in Roosevelt Forest, Stratford, Connecticut, featuring two main race options: a 33-hour challenge to run as many miles as possible or to complete 100 miles within 33 hours. The course is a 2.5-mile loop through classic New England terrain, in..