Trail Running calendar near Mahwah 2025-2026

The Where the Pavement Ends Double Loop will take place in Ridgefield on Sunday 14 September 2025. You can run between 4 and 8 miles.

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..

The Angevine Farm Trail Festival is a scenic trail running event held in Warren, Connecticut, in the picturesque Northwest corner of the state. The festival features multiple race options including an 8-hour endurance run, a half marathon, and 5K races with a Canicross option for runners with dogs...

The Gardiner Dump Run is a scenic trail running event held in Gardiner, New York, featuring a 5k race with an option to complete two laps for a 10k distance. The course winds through single-track trails along wooded hillsides near the Wallkill River and untamed fields at Gardiner’s Riverbend Trails,..

The Cat's Tail Trail Marathon is a challenging 26-mile point-to-point trail race held in the Slide Mountain Wilderness Area of the Catskill Mountains, New York. Featuring nearly 7,000 feet of elevation gain, the course offers rugged terrain with rocky, technical climbs and descents, alongside stunni..

The Front Runners New York Cross Country 5K is an annual running event held at Van Cortlandt Park in the Bronx, New York. Celebrating its 22nd year in 2025, the race offers a scenic 5K cross-country course through the park's fall landscape. Participants meet at the iconic Tortoise & Hare Sculpture f..

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,..

The Tunxis Trail Ultramarathon, held in Burlington, Connecticut, features challenging and technical trail races on the Tunxis Trail system, part of the Blue Blazed hiking trails. The event offers shorter distances this year, including an 8K (5 miles) and a 5K (3.1 miles), with staggered start times...

The Water Gap 50k and 25k is a scenic trail running event held in Milford, Pennsylvania, within the Delaware Water Gap National Recreation Area. The race courses follow the McDade Trail, a 32-mile route featuring a mix of rail-trail style cinder paths and singletrack terrain. Known for its rolling,..

The IronHike Endurance Series will take place in Cornwall from Thursday 2 October 2025 to Sunday 5 October 2025. You can run between 15 and 152 miles.

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 KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, featuring 3-hour and 6-hour race options. Participants run on a challenging 2.33-mile loop course in Kakiat Park, adjacent to Harriman State Park, with approximately 660 feet of vertical gain per lap. The course offer..

The Norfolk Land Trust Trail Race Series, including the Haystack Mountain Challenge, is held annually in Norfolk, Connecticut. The 12th edition features three trail race distances: a challenging 5K through Barbour Woods with scenic climbs and wetlands; a 10K that adds a tough loop summiting Haystack..

The Tesla Hertz Run is an ultramarathon event held in Rocky Point, New York, featuring multiple race distances including 150 miles, 100 miles, 100K, 50 miles, 50K, and 10 miles, with both daytime and nighttime options. The course is a scenic 10.48-mile loop through the pine barrens of Long Island, o..

The Forbidden Forest 30 Hour Ultra Run is an epic endurance event held in Stratford, Connecticut, offering runners up to 30 hours to complete distances ranging from a marathon (26.2 miles) to 100 miles or more. The course features a challenging 2.23-mile loop with roots, rocky terrain, and a notable..

The Gemstone Sparkle Sprint 5k is a community-focused trail running event held at Gemstone Farm in Wilton, Connecticut. Scheduled for October 11, 2025, this scenic 5k trail run welcomes participants of all abilities, encouraging runners and casual walkers alike to dress in sparkly attire and enjoy t..

The Costumed Creature Crawl 5K Trail Run/Walk is held at Van Scott Nature Reserve in Beach Lake, Pennsylvania, supporting Pregnancy and Infant Loss Awareness Month. Scheduled for October 11, 2025, participants can run or walk the 5K trail in person or virtually. The event welcomes all ages, with spe..

The Never Stop Running Foundation Great Pumpkin Dash Trail 5K is a scenic trail run/walk held at Blydenburgh County Park in Smithtown, NY. Scheduled for October 12, 2025, this event features a 5K course that winds through shaded trails combining dirt roads and hard-packed surfaces with some sandy sp..