Logo

SMR Mayapple Trail Runs

Millburn, United States • 17 May 2025

The SMR Mayapple Trail Runs, held annually in South Mountain Reservation, Millburn, NJ, offer a variety of trail race distances including 50 miles, 50K, 20 miles, 10 miles, 5 miles, and a Kids 1-Mile Run. The event features three main loops—east (10.5 miles), west (10.2 miles), and a challenging 5-mile counterclockwise loop—through forested terrain with a mix of gravel roads, technical single-track trails, rolling hills, and steep climbs totaling about 1,500 feet of ascent. Aid stations are placed every five miles, providing hydration and snacks. The race supports the South Mountain Conservancy’s mission and is volunteer-run, with convenient access via NJ Transit from NYC. Visit the organization's website for the most recent information.

United States New Jersey Millburn

Race information

Website Registration
50 mi
50 Miler
50 km
50k
20 mi
20 Miler
10 mi
10 Miler
5 mi
5 Miler
Kids 1 Mile Run
Visit the organization's website for the most recent information.
Trail runs nearby

Frosty Fat Sass

West Orange

Take on rugged singletrack and carriage roads at the Frosty Fat Sass, a winter trail running and hiking event in West Orange's South Mountain Reservation. Choose a 5K loop or timed 3 hour and 6 hour options while supporting the South Mounta..

Squatchy Onesie Fest “5K-Marathon”

Mahwah

Join the Squatchy Onesiefest 5K on Feb 14 in Mahwah NJ for a playful, flat 5K around Scarlet Oak Pond or a shorter fun run. Costume lovers earn awards for top finishers in onesies, with on trail aid and a cozy race village.

Febapple Frozen 50M

South Orange

Run the Febapple Frozen in South Mountain Reservation, South Orange NJ, where four trail distances loop around a scenic 10 mile course in late February. Expect winter trails, aid stations, swag and timing for a hearty challenge.

Mahlon Winter Donut Trail Run

Lake Hopatcong

Run or hike scenic woodland trails at Mahlon Dickerson Reservation in the Mahlon Winter Donut Run and Hike, with 5 or 10 mile options. All weather welcome and finishers receive a long sleeve shirt, medal and donuts.