Trail Running calendar near Mahwah 2025-2026

We have found 94 Trailruns within 80 miles of Mahwah. See below where and when you can find the races.

FEAR Trail Fest 5 Miler is a trail race held at Lewis Morris Park in Morristown, New Jersey. The event features a 5-mile lollipop loop on the park’s Yellow Trail, with about 600 feet of total elevation gain. The course starts with a wide Pa..

Event details Fall Fling 400 is organized by the CT Trailmixers at YMCA Camp Sloper in Southington, Connecticut on November 22, 2025. The event offers two main entry options: 400-minute run on a roughly two-mile loop 4 Mile (two laps of th..

Brooksvale Trails Turkey Trot : November 23, 2025 The Brooksvale Trails Turkey Trot takes place in Hamden, CT, at Brooksvale Park (524 Brooksvale Avenue). The event is organized by Live Loud Running and the Town of Hamden and is the third a..

Join the Roxbury Thanksgiving Day Charity Race for a festive 5K through Everett B. Hurlburt Community Park. Support local causes and burn off holiday calories with friends and neighbors this Thanksgiving morning.

NSRF Leftover Turkey Trot 5K at Bethpage State Park (Polo at the Park) offers a 5K Run/Walk on grassy polo-field and scenic trails, with mostly flat, beginner-friendly terrain and some rolling sections reminiscent of cross-country. The even..

Event details The Squatchy Leftovers is a trail race on Saturday, November 29, 2025, at South Mountain Reservation, 374 Walker Road, West Orange, NJ. Distances offered include: 50K - 10 loops 25K - 5 loops 10K - 2 loops 5K - 1 loop 1 Mile..

Join the Never Stop Running Foundation 50/50 Turkey Trot, a scenic trail 5K at Belmont Lake State Park on November 30. Half of net proceeds are raffled to participants with winners present and the rest supports the foundation.

Rob's Trail Run Edition is a trail running event held in Woodbury, New York, at Stillwell Woods Preserve. Scheduled for November 30, 2025, the event features two main races: a 5K Adult Trail Run for participants aged 19 and older, and a 5K..

December 2025

The Santa's Summit 10k is a scenic and challenging trail run held at Bull Run Marina in Clifton, Virginia. The course follows the Bull Run Occoquan Trail, featuring hilly terrain with a mix of out-and-back and one-way sections. Participants..

Join the Tower Tag Challenge at Sleeping Giant State Park on December 6 for timed 4 or 8 hour trail running on scenic Tower Trail loops. Earn a Ragged Cuts finisher medal, enjoy great views, and support the park.

Event overview The PPTC Endurance Fest takes place in Prospect Park, Brooklyn, NY on Sunday, December 7, 2025. The event offers two distance options: 50 Miler 50k Registration closes on Thu, December 4 at 11:59 PM ET. Course and event ser..

SRC Presents: A Backyard Ultra takes place at Blydenburgh County Park in Hauppauge, NY on December 13–14, 2025. The event features two races: A Backyard Ultra, a true ultramarathon where runners must complete a 4.167-mile loop within an hou..

Event overview The Frosty Forest 5K takes place in Roosevelt Forest in the Town of Stratford, Connecticut on Saturday, December 13, 2025. The event is a trail run over a 5K distance. Participants may wear holiday costumes during the event...

Event overview MCW The Holmdel Classic is a trail race held on December 13, 2025, at Holmdel Park in Monmouth County, New Jersey. The event offers loop-based distances on a multi-lap course: Loop: 4.65 miles Halfish : 3 loops 50 kmish : 7..

South Orange, New Jersey hosts the NJ Trail Series SOMO Winter 2 on Saturday, December 13, 2025. The event offers three distances: 5K, 10K, and 13.1 miles, run on a looped course through South Mountain Reservation. The course blends fire ro..

Event overview The West Rock Winter Fat Ass Extravaganza is scheduled for December 28, 2025 in Hamden, CT near Lake Wintergreen. The event is an eight-hour looped run using a 1.6-mile loop around Lake Wintergreen with about 65 feet of eleva..

January 2026

Join the Frosty Fat Sass at South Mountain for scenic yet rugged trail running and hiking with a 5K or 3 and 6 hour options on rocky, rooty singletrack. This self supported fundraiser benefits the South Mountain Conservancy.

February 2026

The Mahlon Winter Donut Trail Run & Hike is a scenic trail running event held at Saffin's Pond in the Mahlon Dickerson Reservation, Lake Hopatcong, New Jersey. Scheduled for February 8, 2026, it offers three race distances: a 5-mile loop, a..

Event overview The Squatchy Onesiefest 5K is scheduled for February 14, 2026 at Ramapo Valley County Reservation, starting and finishing at the New York-New Jersey Trail Conference (NYNJTC) Headquarters. The event has a onesie theme; awards..

The Febapple Frozen event is a trail running race held in South Mountain Reservation, Maplewood, New Jersey. Scheduled for February 21, 2026, it offers multiple distance options including a 50-mile, 50-kilometer, 20-mile, and 10-mile race...