Forbidden Run Fest
Updated
Sunday, November 8, 2026, first start 9:00 AM, in Philadelphia (900 Grakyn Lane). Distances: 10K, 10 miles, Half marathon.
Course and race notes
Wissahickon Valley park is the crown jewel of the Philadelphia park system.
It is over 2000 acres in size and features more than 50 miles of trails. The park combines natural beauty and history, with many historic buildings and bridges located within the park.
In the organizer's words, from the race's own listing.
Race details
Date
Sunday, November 8
2026 · tomorrow
Start time
9:00 AM
Earliest wave
Course
Trail
Dirt or single-track on at least part of the course
Distances
10K10 milesHalf marathon
Price
See the registration page
No price increase published
Registration
Closed online