Boulder Field Ultra
Albrightsville, Pennsylvania, United States
Sep 12, 2026 - Saturday
18mi, 50k, 100k, Ultra
Race Information
The Boulderfield 100k/50k was created to offer a more challenging trail race to runners. Elevation is estimated to be about 4000ft per 50k loop. In addition to the rolling character of the course, expect to encounter a boulderfield crossing and a very rugged 1 mile trail section called the Shades of Death Trail.
If this sounds like your kind of fun, check it out!
๐ Run Pick of the Month: Rocky Run
๐Philadelphia - Saturday November 14, 2026
๐ Why We Like This Run
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Iconic finish at the Philadelphia Museum of Art
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Electric atmosphere fueled by cheering crowds, pounding music, and pure adrenaline.
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The bling that would make any heavyweight proud
Think youโve got the heart of a champion? Itโs time to step out of the gym and onto the streets of Philadelphia. Whether youโre channeling your inner underdog or youโre a seasoned pro looking for a new personal best, the Rocky Run is the ultimate test of grit and determination.
Experience the city like never before as you follow in the footsteps of a legend. This isn't just a race; itโs a celebration of resilience, community, and the "never give up" spirit that defines the City of Brotherly Love.
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๐ Looking For More Runs Near Pennsylvania?
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Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.

