Trail Running Calendar New Jersey 2025-2026

The Run for the Woods is an annual 5k trail run taking place in Piscataway, NJ, specifically through the scenic trails of the Rutgers Ecological Preserve. Scheduled for May 10, 2025, this event supports forest restoration efforts and the Ecology and Evolution Graduate Student Association. Participan..

3 Days at the Fair is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. The event features a certified 1-mile flat loop course composed of pavement and crushed gravel, suitable for various race distances including 6, 12, 24, 48, 72, and 144-hour timed races..

The Screamin' Hill Scramble 5K is an exciting running event taking place at Screamin' Hill Brewery in Cream Ridge, NJ. This annual race features a scenic 5K course that winds through the brewery's grounds, where the ingredients for their craft beer are grown. Participants can enjoy a chip-timed race..

The SMR Mayapple Trail Runs, scheduled for May 17, 2025, in South Mountain Reservation, NJ, invites runners to participate in its 16th annual event. Organized by the South Mountain Conservancy, the race features various distances including 5 miles, 10 miles, 20 miles, 50K, and 50 miles, along with a..

The MCW NJ Appalachian Trail Runventure is a unique running event scheduled for May 17, 2025, in Scotch Plains, NJ. Participants can choose between a marathon or a 40-mile run, both designed to provide a fully supported experience along the New Jersey Appalachian Trail. This event is also a fundrais..

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 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 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 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 event features four distinct trail loops, with participants drawing colored golf balls to determin..

The MCW Westfield Ultra is an endurance race held at Tamaques Park in Westfield, NJ, on August 2, 2025. Participants can choose from 3, 6, 9, 12, or 24-hour events, aiming to complete as many laps as possible around a 0.8-mile course that features pavement and gravel paths. The event fosters a suppo..

Loopy Looper is an ultra running event held at Cooper River Park in Pennsauken, New Jersey, featuring a fast and mostly 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 a..

The Thunder Chicken Squatch is a trail running event held in Stokes State Forest, Branchville, New Jersey, on August 10, 2025. Participants can choose from a 17-mile or a 10K course, with the 17-miler featuring technical terrain, rocks, roots, and approximately 1,500 feet of elevation gain. The even..

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 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 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..

The Run the Vineyards - White Horse 10K/5K is an annual running event taking place at White Horse Winery in Hammonton, NJ. Scheduled for September 14, 2025, the event features a scenic 10K and 5K race, along with a 1-mile walk. Participants can enjoy a flat course through vineyards and country roads..

The Wild Goose Trail Festival is a multi-day trail running event held at Wawayanda State Park in Hewitt, New Jersey. Taking place over a weekend in September, it offers a wide range of distances including a 1-mile kids run, 10K, half marathon, 50K, 50-mile, 100K, and a 100-mile ultra with a generous..