Boulder Dash at Pinesburg Quarry
Sat, Oct 17, 2026, 5:30 AM EDT
- Type
- Run
Finish signup on the organizer site (check fees and dates there).
Race feel
Run a truly unique 5-mile course through an active quarry, welcoming all runner levels for a distinctive race day experience.
- Fun
- Quirky
Fun
QuirkyDiscover the Boulder Dash at Pinesburg Quarry, a unique 5-mile event in Williamsport, MD. This race invites runners of all levels, from beginners to advanced, to experience a course set in and around a working quarry. It's a rare opportunity to run through an active industrial site, which will be safely non-operational during the event. This distinctive running adventure offers a fresh perspective on race day.
What to expect
- Experience a 5-mile course set within and around a working quarry.
- This event is designed to welcome runners of all skill levels.
- Enjoy a unique race environment that is safely non-operational during the event.
Standout details
From the organizer
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)!