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.
Trail runs nearby

Cedar Run's Trails, Tails & Ales is an annual 5K charity trail run held at Woodford Cedar Run Wildlife Refuge in Medford, New Jersey. The event features a scenic, exclusive trail course starting and ending at the Nature Center Pavilion. Participants receive a limited edition event t-shirt, light bit..

Ultra Trail DE is a 6-hour trail running event held on private Longwood Gardens property at 2900 Montchanin Road in Wilmington, Delaware. Runners tackle roughly a 5-mile marked loop with about 700 feet of elevation gain per lap, featuring creek crossings, twisty singletrack, grass and gravel, and oc..

Run-a-Muck, hosted by the Willistown Conservation Trust, takes place in the Willistown countryside (Newtown Square, PA). Participants can choose a 5K run or muck (walk) on a cross-country trail described as diverse terrain. The event blends sport with a festive atmosphere, offering food, beer, wine,..

Trails4Tails is a dog-friendly trail running event held at Historic Washington Crossing Park in Titusville, NJ, with the start area at the Phillips Farm Recreation area off Bear Tavern Road. It offers three distances: a 1 Mile Fun Run (with or without a dog), a 5K, and a 5K with Dog. The course is a..

The 5th Annual Octoberfest 5K is a community running event in Haddonfield, New Jersey, starting and finishing at Maria Greenwald Softball Field. The race offers a 5K run with an updated course map and on-site parking, plus nearby downtown parking. After crossing the finish line, participants gather..

Camp Innabah Fall Classic, held at 712 Pughtown Road, Spring City, PA 19475, features a 5-mile trail race and a 2-mile fun walk. The five-mile course traverses dirt trails, gravel roads, and short paved sections over rolling terrain above French Creek in Chester County, offering a hilly, scenic chal..