Forbidden Run Fest

Philadelphia, United States • 9 Nov 2025

Forbidden Run Fest is a trail running event held in Wissahickon Valley Park, Philadelphia, PA, celebrating one of the city's most scenic parks. The race offers three distances: 10K, 10 miles, and a Half Marathon+ (approximately 14 miles). The course features a mix of smooth gravel trails, compacted dirt, and some rocky uphill sections, including the challenging "Mount Misery" segment.

Wissahickon Park spans over 2,000 acres with more than 50 miles of trails, combining natural beauty and historic landmarks. The event is limited to 750 runners, with aid stations spaced every 2-3 miles, chip timing, and a post-race party with awards, live music, and pizza. The race is designed to welcome both road and trail runners. Visit the organization's website for the most recent information.

Race information

14 mi
Half Marathon+ (14 Miles)
10 mi
10 Miler
10 km
Visit the organization's website for the most recent information.
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