Trail Running calendar near Princeton 2025-2026

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..

The Coventry Woods Trail Running Festival, hosted by the Big Woods Running Club, takes place at Coventry Woods Park in Pottstown, Pennsylvania. Scheduled for June 22, 2025, the event offers five race options: 5K, 10K, 3-hour, 6-hour, and a 6-hour relay race. The courses feature mostly single-track t..

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..

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 Blue Mountain Trail Run, held at Blue Mountain Ski Area in Palmerton, Pennsylvania, offers a scenic 10K trail race through pristine singletrack trails beyond the ski resort boundaries. Known for its challenging terrain, the course features some of the Poconos' legendary hills, providing a favori..

The Quadzilla 15K Trail Race, held in Schnecksville, Pennsylvania, is known as Lehigh Valley's toughest trail race. The challenging 15-kilometer course features rolling hills, water crossings, open fields, single-track woodland trails, and jeep roads, offering scenic vistas reminiscent of the wester..

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 Millburn (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..

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..

Loopy Looper is an ultra running event held at Cooper River Park in Pennsauken, New Jersey, featuring a fast, flat 3.75-mile paved loop with scenic views of the Philadelphia skyline and river. The race offers multiple distances including 12-hour, 24-hour, and a 101.25-mile ultra, as well as a 4-pers..

The Interstate 17 Trail Run in Closter, NJ, is a challenging 17-mile race featuring over 5,000 feet of elevation change. Set along rugged, technical trails with stunning views of the Hudson River from New Jersey to New York, the course includes a mile out-and-back on a closed road followed by four l..

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 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 (formerly the Sanctuary 6.5) is a challenging 6.5-mile trail run held at the scenic Westmoreland Sanctuary in Mount Kisco, New York. The race takes participants through the sanctuary's beautiful and rugged trails, spanning 669 acres with 8.5 miles of hik..

The 5K Run for Thorncroft is an exciting event scheduled for August 28, 2025, in Malvern, PA. Participants can choose from several activities, including a 5K Trail Run, a 5K Walk, and a One-Mile Move-As-You-Please. The event is designed to be inclusive, welcoming dogs to join in the fun. After the r..

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,..

The FallApple event in South Orange, NJ, is a diverse running competition scheduled for September 6, 2025. Participants can choose from various distances, including a 5K, 10K, half marathon (13.1 miles), marathon, 50K, and 50 miles. The course features a mix of fire roads, single-track trails, hills..

The Boulder Field 100 is a challenging trail running event held at Hickory Run State Park in Jim Thorpe, Pennsylvania. It offers three distances: 100K, 50K, and an 18-mile run/hike. The course features a figure-8 shaped 50K loop, with 100K runners completing two loops.Runners encounter about 4,000 f..

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both traversing a mix of paved park trails, unimproved service paths, and singl..