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Boulder Field 100

White Haven, United States • 13 Sep 2025

The Boulder Field 100 is a challenging running event taking place in Hickory Run State Park, Jim Thorpe, PA. Organized by Uberendurancesports, it features three race distances: a 100K ultra run, a 50K ultra run and mega hike, and an 18-mile run/hike. The course includes a rugged terrain with an estimated elevation gain of 4000 feet per 50K loop, incorporating a boulder field crossing and the demanding Shades of Death Trail. With a time limit of 16 hours for the 100K and 14 hours for the 50K, the event is designed to be accessible yet challenging for properly trained runners. Visit the organization's website for the most recent information.

United States Pennsylvania White Haven

Race information

Website Registration
100 km
4000 m+
100 Km Ultra Run
50 km
4000 m+
50k Ultra Run and Mega Hike
18 mi
18m Run/hike
Visit the organization's website for the most recent information.
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