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Sat October 18, 2025 Williamsport, MD 21795 US Directions

Events

5 Mile Challenge

$22.20 incl. $2.20 Fee 10:00AM EDT
Increases to $27.50 after the first 5 people register. (5 spots left) Registration Opens April 1, 2025 at 12:00pm EDT

Family Friendly 5K

$16.90 incl. $1.90 Fee 10:00AM EDT
Increases to $22.20 after the first 5 people register. (5 spots left) Registration Opens April 1, 2025 at 12:00pm EDT

1 Mile Fun Run

$11.60 incl. $1.60 Fee 9:30AM EDT Registration Opens April 1, 2025 at 12:00pm EDT

Description

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)!

Place

14932 Bottom Road
Williamsport, MD US 21795

What do I get for my registration?

-Soft cotton/poly blend race t-shirt
-Custom Race Bib
-Custom finisher medals for all 5 Mile Challenge, Family Friendly 5K, and 1 Mile Fun Run participants
-Custom podium awards
-A unique race that goes through a working quarry (quarry is not operational on race day)
-Fun family experience

Race Day Schedule

8:00am - 9:15am: 1 Mile Fun Run Packet Pickup
8:00am - 9:45am: 5 Mile Challenge & Family Friendly 5K Packet Pickup
9:30 am: 1 Mile Fun Run Race Start
10:00am: 5 Mile Challenge & Family Friendly 5K Race Start
Awards Ceremony Immediately following the event

Course

Description: The 1 Mile Fun Run and Family Friendly 5K are on gently rolling roads and packed gravel surfaces around the quarry. For an extra challenge, the 5 Mile race takes you down into both the main quarry and the old quarry. While all races are mostly on packed gravel, be prepared for uneven surfaces and slightly rocky sections.

 

Maps:

Challenge 5 Mile– This course is rated difficult and hilly, taking you down into both the main quarry and the old quarry.

Family Friendly 5K– This course is rated moderate and is gently rolling. It will not go down into the quarries.

1 Mile Fun Run– This course is rated easy and flat.

 

Swag

2025 Swag Coming Soon!

Pricing

Pricing includes cotton/poly blend race t-shirt, custom race bib, custom finisher medals, and free photos.

 

Event Rules

Runners must obey all race official instructions. Runners must follow the course as indicated by signage, cones, and course officials. No deviation will be allowed before, during, or after the race. Bibs must be worn on the front of your body at all times.

Timing

This event will be professionally chip timed using disposable bib tags on the back of the race bibs! Bibs must be worn on the front of your shirt and be visible at all times. Results will be provided by Racine Timing and will be available LIVE. We will provide a web link to results that you can share with your family and friends so they can follow your race on their web devices.

Awards

Immediately following the completion of the race there will be an awards ceremony for the Family Friendly 5K & 5 Mile Challenge.

Awards include top overall male and female and 1st place Age Group winners for both the Family Friendly 5k and the 5 Mile Challenge.  Age Groups are as follows for the Family Friendly 5K:  12 and under, 13- 15, 16-19, 20-29, 30-39,  40-49, 50-59, 60-69, 70-79, 80+. Age Groups are as follows for the 5 Mile Challenge: 15 and under, 16-19, 20-29, 30-39,  40-49, 50-59, 60-69, 70-79, 80+.

Results

2018 Results

2019 Results

 

Check out our Results tab for 2022 - Current Year Results and Finish Line Videos

 

Record Holders:

5 Mile Challenge Course Record Holders:

Male: Britt Kern 30:51 (2018), Michael Hohl 30:51 (2019)
Female: Megan Martin 34:07 (2018)

 

5K Course Record Holders:

Male: Jeremy Thompson 18:21 (2019)
Female: Erin Atkinson 20:25 (2024) 

Check it out!

About Martin Marietta at Pinesburg Quarry

 

Martin Marietta, an American-based company and a member of the S&P 500 Index, is a leading supplier of aggregates and heavy building materials, with operations spanning 27 states, Canada, the Bahamas and the Caribbean Islands. Dedicated teams at Martin Marietta supply the resources for the roads, sidewalks and foundations on which we live.

 

Directions

Directions from I-81N:

Take exit 1 for MD-63/MD-68 toward Williamsport/Boonsboro
Turn left onto MD-63 N/MD-68 W (signs for Williamsport)
Turn left onto Bottom Rd

 

Directions from I-81S:

Take exit 2 to merge onto US 11S/E Potomac St
Turn right onto MD-68 W/N Conococheague St
Turn left onto Bottom Rd

Race Contact Info

If you have any questions about this race, click the button below.

Directions

Race Participant Survey

Please complete the following survey to help us better understand your race experience.

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