Logo

Terror of Tammany

Knowlton Township, United States • 22 Mar 2026

Event Overview

The Terror of Tammany is a trail running event held on March 22, 2026. It takes place at Worthington State Forest in Columbia, New Jersey. The event follows the Mt. Tammany 10 race.

Distances

Participants can choose from two distances, both based on a 6.7-mile loop with roughly 1,750 feet of vertical ascent per loop.

  • 30K: Completes three loops.
  • 50K+: Completes five loops.

The event is noted for its technical and arduous trail. A time limit of 9 hours applies for the 30K distance and 12 hours for the 50K+ distance. Finishers in both distances receive a finisher's award. The registration cost is $100 for the 30K and $130 for the 50K+. Visit the organization's website for the most recent information.

United States New Jersey Knowlton Township

Race information

Registration
50 km
50k+
30 km
30k
Visit the organization's website for the most recent information.
Trail runs nearby

Mahlon Winter Donut Trail Run

Lake Hopatcong

Trail event at Mahlon Dickerson Reservation on March 1, 2026 offering 5 mile and 10 mile routes over rugged woodland trails. Participants receive a long sleeved shirt, a medal, and donuts; hikers are welcome.

The Mt. Tammany 10

Blairstown

The Mt. Tammany 10 is a grueling 40-mile ultramarathon in New Jersey's Delaware Water Gap. Runners complete ten loops, each climbing over 1,000 feet to the summit of Mt. Tammany. This event promises tough, technical terrain with mountain vi..

The Long Run - Spring Forward

Wind Gap

The Long Run - Spring Forward offers trail runs in Jacobsburg State Park. Choose from a 5-mile loop, a 3-hour, or a 6-hour timed event on mixed terrain. It's a cupless, eco-conscious event supporting the local environmental center.

Green Traill 5K

Glendon

Join the fifth annual Green Traill event in Easton, PA. It features a timed 5K run, a 2-mile walk, and a free Kids Fun Run. The volunteer-led event supports the preservation of Easton Cemetery.