Dirty German Endurance Fest

Philadelphia, United States • 9 May 2026

The Dirty German Endurance Fest is an urban ultramarathon held within Philadelphia's Pennypack Park, a scenic area featuring trails along Pennypack Creek with diverse surfaces including soft dirt, sandy spots, single track, gravel, and some paved bike trail. The event offers 25K, 50K, and 50-mile distances, with courses designed to be runnable and not overly technical, featuring short climbs and shaded paths. Over 600 runners participate annually in this well-marked race. Finishers receive a zippered running jacket, commemorative bib, and medal, with unique German-themed awards for top finishers. The event includes a festive post-race party with live music and gourmet food. Visit the organization's website for the most recent information.

Race information

50 mi
50 Miler
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
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