Boulder Dash at Pinesburg Quarry | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Boulder Dash at Pinesburg Quarry

A once-a-year chance to run around — and, on the 5-mile course, down into — a working Martin Marietta stone quarry.

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Fun Run Atlas · Maryland

Novelty course · Williamsport, MD

Boulder Dash at Pinesburg Quarry is a fun run on a one-of-a-kind course in Williamsport, Maryland, with a verified date of October 17, 2026.

ConfirmedFamily friendly
When
Sat, Oct 17, 2026
Start 9:30 AM (1 mile); 10:00 AM (5K/5 mile)
Mid-October Saturday
Where
Pinesburg Quarry
14932 Bottom Road
Williamsport, MD 21795 · Washington
Directions
Entry
5 mile $38.10, 5K $32.80, 1 mile $16.90 incl. fees (current tier)
Register
Organized by
Martin Marietta at Pinesburg Quarry
Official siteRegisterDirectionsAdd to calendar

What to expect

  • quarry
  • gravel
  • rare access
  • kids dash

2026 Confirmed

Saturday, October 17, 2026

  • Sat, Oct 17, 2026

Checked Sun, Oct 4, 2026 against the official source.

2027 Projected

Date TBA

About the run

Packed-gravel 1-mile, 5K and 5-mile races in and around Pinesburg Quarry, which shuts down operations for the event.

The run

Distances
5 miles, 5K, 1-mile fun run
Season
Fall

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.