Murderkill Ultramarathon

Felton, United States • 26 Jul 2025

The Murderkill Ultramarathon, held at Killens Pond State Park in Felton, Delaware, offers 50-mile, 50K, and 12-hour race options on a mostly dirt, 3.1-mile loop trail. The course is relatively gentle with about 80 feet of elevation gain per loop, featuring shaded paths, some roots and rocks, and a scenic footbridge crossing. Runners can cool off by jumping into the pond near the boat ramp. The event embraces an old-school, self-supported style with minimal aid, no chip timing, and a community aid table. Limited to 30 participants per race, it takes place in hot, humid late July conditions, emphasizing respect for the park and a low-key, friendly atmosphere. Visit the organization's website for the most recent information.

Race information

12 hr
80 m+
12hrs
50 mi
80 m+
50 Miler
50 km
80 m+
50k
Visit the organization's website for the most recent information.
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