Trail Running calendar near Bronx County 2025-2026

The Ansonia Six Hour Trail Run is a challenging endurance event held at the Ansonia Nature Center in Ansonia, Connecticut. Participants run counter-clockwise loops of approximately 1.9 miles on moderately technical singletrack trails featuring about 170 feet of elevation gain per loop. The course of..

The XTERRA Transcend Trail Run, held annually at Dickerson Mine Preserve in Randolph, New Jersey, offers a scenic and accessible trail running experience. The event features three race distances: a 5K, 10K, and a half marathon, with courses characterized by fast, flowy singletrack trails and stunnin..

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 endurance event held in Andover, New Jersey, designed for teams of four. Combining elements of adventure racing and problem-solving, teams navigate a series of mandatory challenges non-stop until completion. The event features three types of challenges: str..

The Centurion Ultra Trail Event, held in Roosevelt Forest, Stratford, Connecticut, is a challenging endurance race featuring a 2.5-mile loop with 193 feet of elevation gain per lap through classic New England terrain. Participants can choose between two race options: running as many miles as possibl..

The Brooksvale 12-Hour is an endurance running event held in Hamden, Connecticut, featuring a challenging 4.25-mile loop with 500 feet of elevation gain. Participants can choose to run distances ranging from a marathon (six loops) to a 50k (eight loops), or aim for 50 miles within the 12-hour time l..

The Red Wing Trail Challenge, held at Red Wing Recreation Area in Lagrangeville, NY, offers two trail race distances: a challenging 60K with approximately 6,600 feet of elevation gain, and a 15K featuring about 1,650 feet of gain. The 60K consists of four laps of a 15K loop that includes varied terr..

Pinky’s Rock n Rolla is a unique trail running event taking place in Richmond Hill, NY. This four-mile race offers participants the chance to experience actual trail running through the scenic Forest Park, featuring natural terrain shaped by glaciation. The event is designed for both newcomers and s..

The Second Annual Orange Runners Club Summer Sizzle XC5k is set to take place at the Rich Furst Sanfordville Elementary School XC Course in Warwick, NY. This exciting event features a 5k run or walk, along with a Kids Dash, promoting teamwork, dedication, and fun in the spirit of cross country runni..

The Squatchy Surprise is a unique trail running event held at South Mountain Reservation in West Orange, New Jersey. Scheduled for July 26, 2025, it offers 12-hour, 6-hour, and 3-hour race options. The course features four distinct trail loops, with participants drawing colored golf balls before eac..

The MCW Westfield Ultra is an annual endurance running event held at Tamaques Park in Westfield, New Jersey. Participants can choose from 3, 6, 9, 12, or 24-hour race durations, aiming to complete as many laps as possible on a 0.8-mile loop featuring both pavement and gravel surfaces. The race suppo..

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 Thunder Chicken Squatch is a trail running and hiking event held at Stokes State Forest in Branchville, New Jersey. Scheduled for August 10, 2025, it offers multiple distances including a challenging 17-mile run, a 10K, and a 5K, with new rucking divisions for the 10K featuring lightweight and h..

The Tappen Brook 5K is a trail running event held in Bridgewater, Connecticut, at the scenic Bridgewater Town Park. Now in its second year, this 5K race showcases newly developed forest trails that wind through gentle hills and natural terrain, offering runners views of woodlands and nearby Lake Lil..

The Fabulous Fahnestock Trail Races, held in Cold Spring, NY, offer runners a choice of 50K, 25K, and 5.5-mile distances through scenic Fahnestock State Park in the Hudson Valley. The course features a mix of runnable dirt roads and technical single-track trails, with challenging climbs, flowy desce..

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..

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..

The Barn-B-Q Trail Festival is a unique outdoor celebration held at the restored Masker's Barn in Berkeley Heights, NJ. This event combines trail running and hiking with a lively barn party featuring BBQ, beer, wine, and various activities. Participants can enjoy self-guided trail tours, lawn games,..