Trail Running calendar near Princeton 2025-2026

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 1/2 Sauer 1/2 Kraut is a unique marathon and half marathon event held in Philadelphia's Pennypack Park, starting and finishing at the Ed Kelly Amphitheater. The course follows a mostly shaded, paved bike trail along Pennypack Creek, featuring rolling hills and natural scenery without traffic or..

The Sri Chinmoy 24-Hour, 12-Hour & Midnight Marathon takes place at Rockland Lake State Park in Congers, NY, featuring a scenic, flat, and fast 2.95-mile paved loop around Rockland Lake. The course is USATF certified, smooth, and partly shaded, ideal for personal records. The event offers 24-hour an..

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 Half Marathon (21K) consisting of two 6.8-mile loops with 400 feet elevation gain each, a 10K loop wit..

The Run For the Ages 10K Trail Chase is a scenic trail running event held in Nolde Forest, Cumru Township, near Reading, Pennsylvania. This unique race features an age-graded start, giving runners of all ages and genders a fair chance to compete for the overall title. The course is a well-marked 10K..

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 the Two Punk Kids (TPK) style with an Amazing Race format, teams work non-stop to complete a series of mandatory challenges. The event features three types of tas..

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, set in Schnecksville, PA, is known as Lehigh Valley's toughest trail race. The course features a diverse landscape, including rolling hills, water crossings, and single-track trails, providing a challenging experience for participants. Open to ages 13 and up, the race e..

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..

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, 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 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..