Trail Running Calendar New Jersey 2025-2026
We have found 40 Trailruns in New Jersey. Check below where and when you can find the races.
Distance (km)
Articles
Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary
Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..
Trail Running: How it Can Help Reduce Stress and Anxiety
Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..
Trail Running vs. Road Running: Which One Is Right For You?
When it comes to running, there are two primary options to choose from: trail running and road..
The Interstate 17 - Closter, NJ will take place in Closter on Sunday 10 August 2025. You can run 17 miles.
The Route of Healthy Living 5k & BBQ Bash is a community-focused event held at Pleasant Valley Park in Basking Ridge, NJ. Celebrating its 5-year anniversary, the event features a 5K run/walk and a 1-mile health walk, welcoming participants of all fitness levels. The cross-country course includes a m..
The Thunder Chicken Squatch is a trail running event held at Stokes State Forest in Branchville, New Jersey. Scheduled for August 10, 2025, it offers multiple race distances including a challenging 17-mile run, a 10K, and a 5K, with additional 10K rucking divisions featuring lightweight (15 lbs) and..
The USATF-NJ Open & Masters 5k Cross Country Championships is a competitive running event held at Natirar Park in Peapack Gladstone, New Jersey. Scheduled for August 24, 2025, this 5-kilometer cross country race features divisions for both open and masters athletes. It is part of the Paul Miller Aut..
The Run the Vineyards - William Heritage Labor Day 5K is held at William Heritage Winery in Mullica Hill, NJ. This event features a scenic 5K trail run primarily on manicured vineyard trails with rolling hills, welcoming all ages and walkers. Additional options include a 1 Mile Kids Race for ages 14..
September 2025
The FallApple is a trail running event held in South Orange, New Jersey, at South Mountain Reservation. Scheduled for early September, the race offers a variety of distances including 5K, 10K, half marathon, marathon, 50K, and 50-mile options. The course features a mix of fire roads, single-track tr..
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. The event features a 5K+ trail run and a 3K walk, with the run course consisting of about 10% paved trails, 30% unimproved..
The Run the Vineyards - White Horse 10K/5K is an annual running event held at White Horse Winery in Hammonton, New Jersey. Featuring both 10K and 5K races along with a 1-mile walk, the event offers a flat, scenic course through vineyards and country roads. Participants enjoy chip timing with instant..
The Wild Goose Trail Festival takes place at Wawayanda State Park in Hewitt, New Jersey, offering a variety of trail running events over September 20-21, 2025. Distances range from a 1-mile kids run to a challenging 100-mile ultramarathon with a generous 36-hour cutoff, making it ideal for first-tim..
Cedar Run's Trails, Tails & Ales is an annual 5K charity trail run held at Woodford Cedar Run Wildlife Refuge in Medford, New Jersey. The event features a scenic, exclusive trail course starting and ending at the Nature Center Pavilion. Participants receive a limited edition event t-shirt, light bit..
The Caldwell Cougar Chase XC 5K & 8K is a cross-country running event held at Garret Mountain Reservation in Woodland Park, New Jersey. Scheduled for September 26, 2025, it features a women's 5K and a men's 8K race on a rolling course that includes trails, hills, gravel, dirt paths, grass sections,..
October 2025
The NJ Trail Series One Day is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. Scheduled from October 2 to 5, 2025, it features a variety of race options including 72, 48, 24, 12, and 6-hour timed races, as well as marathons and 50K distances. The course..
Trails4Tails is a running event held at Historic Washington Crossing Park in Titusville, New Jersey. The event features a 1 Mile Fun Run (with or without a dog), a 5K run, and a 5K run with a dog, all on wooded trails rather than paved paths, encouraging participants to properly train with their dog..
The Fat Sass Switchback Challenge is a trail running event held in Millburn, New Jersey, at the South Mountain Reservation's Locust Grove Picnic Area. Scheduled for October 5, 2025, it features a challenging 1-mile loop course with 300 feet of elevation gain, including steep climbs and technical, ro..
The Hainesport Endurance Run is a multi-day ultramarathon event held at Hainesport Township Municipal Park in New Jersey. The race features a flat, paved loop course of just under one mile, certified by USA Track & Field, with an alternate 1.2-mile loop available if needed. Participants can compete..
The Badgerpalooza will take place in Williamstown from Friday 17 October 2025 to Saturday 18 October 2025. You can run between 6 and 24 kilometers.
The Hot Chili Challenge is a trail running event held in Andover, New Jersey, featuring an 8-mile trail run, a 5K run for adults, and a Kids Fun Run for ages 5-12. Participants in the adult races receive t-shirts, hobo bags, and finisher medals, while kids receive finisher medals. Awards and swag ar..
The 3rd Annual Chesterfield FALL Terrain 5K is a community-focused running event held at Fenton Lane Park in Chesterfield, NJ. Scheduled for October 19, 2025, the race features a USATF-certified 5K course combining gravel, trail, grass, and road surfaces, offering a varied terrain experience. The ev..