Trail Running calendar near Arnold 2026-2027

A last person standing endurance race in York, PA where runners repeat hourly loops until one remains. Entries include a designated parking and crew area, an event shirt, and a certified distance card.

A multi-distance event in Lewes, Delaware with 5K, 10K and half marathon options plus race walk and heavy march categories. The weekend includes an educational exhibit, vendors and live music while supporting wounded warriors and homeless v..

Tough Mudder Philly on May 22, 2027 offers 15K and 5K obstacle courses, an Infinity multi-lap option, spectator Mudder Village access, finisher items, group packages, and discounts for verified military and first responders.

A 24 hour Backyard format run on a 4.167 mile loop at Meadowood Special Recreation Area near Lorton, Virginia. Runners complete hourly loops with a 24 hour 100 mile limit and one shared aid station under a horse pavilion.