Loopy Bunny

Run a scenic 10k loop at Lehigh Gap Nature Center with fast flats, a short climb, fern lined singletrack and a technical descent to the finish. This fresh fall course blends challenge with beautiful river views and wooded trails.

MuleSkinner Endurance Races : October 18, 2025 The MuleSkinner Endurance Races take place in Upper Black Eddy, PA (963 River Rd) on October 18, 2025. Distances offered: 50 Miler 50K Marathon Half Marathon Registration was closed on Septem..

Take on The Long Run Fall Back, a give or take 5 mile loop through Jacobsburg State Park run clockwise for a fresh challenge. Choose the 5 mile, 3 hour or 6 hour format and enjoy a cupless, hiker friendly, zero carbon trail event.

Fifth Street Cross - Black Friday 100 is a quirky endurance event in Emmaus, Pennsylvania on the Fifth Street Cross course. Participants choose from 10k Run/Walk (4 laps), 13-mile Half Marathon (8 laps), 26-mile Marathon (16 laps), 50k Run..

Take on MT TAMMANY 10 on March 21, 2026, a scenic yet demanding 40 mile trail ultramarathon near Delaware Water Gap with ten summit climbs and more than 10,000 feet of elevation gain. Ten repeated loops turn rugged mountain trails into a re..

Take on the Terror of Tammany on March 22, 2026 in Worthington State Forest, Columbia NJ. Choose a challenging 30K or epic 50K+ over rugged 6.7 mile loops with big climbs, supportive finish awards, and a true mountain trail test.