In 51 days · Sat, Oct 17, 2026
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Saturday, October 17th, 2026
14932 Bottom Road, Williamsport MD
5K · 1 Mile
48–67°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
39–66°F
dry
2024
38–60°F
dry
2023
50–60°F
dry
2022
48–64°F
dry
2021
51–62°F
dry
2020
39–61°F
dry
2019
48–53°F
dry
2018
46–62°F
dry
2017
41–62°F
dry
2016
55–80°F
dry
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About this race
Event Overview
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.
Date and Location
- Date: 2026-10-17
- Location: 14932 Bottom Road, Williamsport, MD
Race Details
- Participants: This event is designed for all levels from beginners to advanced runners.
- Experience: Enjoy a unique race that allows you to run around a working quarry.
- Safety: For safety purposes, the quarry will not be operational during the event.
- More Information: Visit this link for more details.
Course map
Train with a club
Run clubs near Williamsport to train with before race day.
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