Martin Marietta at Pinesburg Quarry is proud to host the Annual Boulder Dash at Pinesburg Quarry! This event will be held in and around the Pinesburg Quarry in Williamsport, MD. This event is designed for all levels from beginners to advanced runners. Enjoy a unique race that allows you to run around a working quarry (for safety purposes the quarry will not be operational during the event)!
Oct 17, 2026
Distance — 1 Miles
Type — Running
09:30
$10.00
Oct 17, 2026
Distance — 5 Miles
Type — Running
10:00
$25.00
Oct 17, 2026
Distance — 5K
Type — Running
10:00
$20.00
These values represent the 3-year monthly averages for October in Williamsport.
Learn more about the host city, Williamsport.
Williamsport is a city in the Pennsylvania Wilds of Pennsylvania.
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