Trail Running calendar near Cold Spring 2026-2027

A multi-day timed running festival at the Sussex County Fairgrounds with a certified 1-mile loop, options from 6 to 144 hours plus Marathon and 50K, night lighting, central aid station, camping and electronic lap timing.

A 5K trail run/walk at Blydenburgh County Park with mixed terrain, parking options, on-site refreshments and a virtual participation choice. Proceeds support the Never Stop Running Foundation.

Trail runs in Middlesex County near Edison with a secret start, offered distances around 2 and 5 miles, a post-run social, and a requested canned food donation; registration fees are listed and volunteers receive event items.

A social trail event in Edison with a 5 mile trail run and a shorter group run, marked trails, potential trail hazards, volunteer perks, a post-run social for those over 21, and a canned food donation request.