Trail Running Calendar New Jersey 2025-2026

The Frosty Fat Sass is an annual trail running event taking place in West Orange, NJ, designed for runners and hikers of all ages and abilities. Participants can choose from a 5K, 3-hour, or 6-hour race, all set in the scenic South Mountain Reservation. This event not only promotes outdoor activity ..

The YETI OR NOT Snowshoe Invasion is an exciting winter sports event taking place at Mountain Creek in Vernon, NJ. Participants can choose between a challenging 5k tromp across the mountain or a more relaxed Last Mile Fun Option. This event welcomes runners, walkers, and newcomers to snowshoeing ali..

The Squatchy Onesiefest 5K is a unique winter trail running event scheduled for February 8, 2025, at the Ramapo Valley County Reservation in Mahwah, NJ. Participants are encouraged to wear their favorite onesies for a fun and memorable experience. The course features a scenic "lollipop" loop that ru..

The Mahlon Winter Donut Trail Run & Hike features a scenic adventure through the beautiful trails of Lake Hopatcong, NJ. Scheduled for February 9, 2025, participants can choose from three distances: a 5-mile course, a 10-mile course, and a half marathon (13.1 miles). The event begins with packet pic..

The Febapple Frozen 50M, 50K, 20M, and 10M is a running event scheduled for February 22, 2025, in South Orange, New Jersey. Participants can choose from four distances: 50 miles, 50 kilometers, 20 miles, and 10 miles, all set within the scenic South Mountain Reservation. The race features a 10-mile ..

The Livingston Oval Ultra is an annual running event held in Livingston, NJ, featuring three race durations: six hours, three hours, and one hour. Participants aim to complete as many laps around a certified flat and fast oval course as possible within their chosen time limit. The event promotes a s..

The Lenape Trail Run is a challenging 34-mile running event taking place on March 8, 2025, in Millburn, NJ. Participants will meet at the Locust Grove trailhead and take a train to Newark, from where they will run back along the historic Lenape Trail. This self-supported run requires participants to..

Squatchapple is a trail race event taking place on March 8, 2025, at the South Mountain Reservation in West Orange, NJ. Participants can choose from various distances, including 11 miles, 20 miles, 50K, and 50 miles, making it suitable for runners and hikers of all skill levels. The event supports t..

The Rancocas Valley Cross Country 5K Run/Walk is set to take place at the RVRHS Sports Complex in Eastampton Township, NJ. This inaugural event welcomes participants of all ages and aims to support the RVRHS Cross Country Team for the upcoming 2025 season. Participants will receive a complimentary t..

The Mt. Tammany 10 is an ultra-running event set in the challenging terrain of the Delaware Water Gap, NJ. This grueling race covers nearly 40 miles, featuring 10 climbs and over 10,000 feet of elevation gain, making it a true test for seasoned ultrarunners.Participants will navigate a demanding cou..

The Terror of Tammany is an exciting trail running event held at Worthington State Park in Columbia, NJ. Participants can choose between two challenging distances: a 30K and a 50K+, both featuring a demanding 6.7-mile loop with significant vertical ascent. The 30K is designed for newer trail runners..

Sunning At Sunfish Pond 50K+ is an endurance running event organized by Athletic Equation, featuring a challenging 50K+ course designed for experienced trail runners. The event takes place in a scenic area, offering participants stunning mountain views and the thrill of technical terrain. Runners wi..

The MCW Lenape Runventure is a unique running event taking place over two days, featuring the 36-mile Lenape Trail in Millburn, NJ. Participants can join on either March 29 or March 30, 2025, with a mandatory fundraising goal of $1,000 to support clean water initiatives in Uganda. The event offers a..

The 16th Annual Chimney Rock 5-ish Miles Trail Race, organized by the Raritan Valley Road Runners, takes place at Chimney Rock Park in Martinsville, NJ. This challenging trail race features a single-track course that includes various terrains such as rocks, roots, hills, and stream crossings, making..

The Morris County Empanada Trail Run is a vibrant running event taking place in Morris Plains, NJ, featuring both a 5K and a 10K run/walk. Participants can enjoy a scenic course that includes mixed terrain, such as dirt, grass, and gravel. Each registration includes a long-sleeved shirt, a unique fi..

The Lost Brook Trail Race is an exciting running event taking place in Tenafly, NJ, featuring both 10K and 5K courses through the scenic Lost Brook Preserve. Participants will navigate a natural terrain filled with rocks, roots, and footbridges, making for a challenging yet enjoyable experience. The..

The Institute Woods 6K is a cross-country running event held in Princeton, NJ, featuring a scenic course on maintained trails without pavement or traffic. The event welcomes both runners and walkers, with a participant limit of 200. A portion of the proceeds supports local high school sports teams. ..

The Spring SOMO Timed Trail Races is a running event scheduled for April 12, 2025, at South Mountain Reservation in South Orange, NJ. Participants can choose from various race formats, including a 3K loop, 6K loop, and timed events lasting 1, 3, or 6 hours. The course features a mix of single track,..

The Wawayanda Trail Fest, scheduled for April 26, 2025, in Hewitt, NJ, offers a variety of challenging trail running events, including a 100K, 50-mile, 50K, and half marathon. Participants will navigate through scenic routes featuring rhododendron tunnels, marsh bridges, and a mix of gravel roads an..

The 47th Annual Woods and Lakes Run is set to take place in Mountain Lakes, New Jersey, featuring both a 10K and a 5K race. Open to participants aged 30 and over, the event promises a scenic course that includes a mix of macadam walkways, gravel paths, and wooded trails, with potential challenges su..