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MCRRC Stone Mill 50 Mile Run

Sat November 9, 2024 Montgomery Village, MD 20886 US Directions

Course & Logistics

Course Map


Click here for a larger map.

CalTopo Map: Stone Mill 50 Miler

Packet Pickup:

Packet pickup will be held at the Spring Hill Suites on Friday from 4:00–7:00 PM.  All participants are strongly encouraged to attend the Friday evening pickup.  For those who are travelling, there will be an extremely limited packet pickup on race morning, in the start area, from 5:00-5:55 AM.

Start Location:

The race starts and finishes in the Stedwick Elementary School parking lot, located at 10631 Stedwick Road, Montgomery Village, MD 20886.  


Parking will be available near the start/finish area at Stedwick Elementary.  Overflow parking will be available in the Montgomery Village Association Office parking lot, located at 10120 Apple Ridge Road.  Street parking is also available along Apple Ridge Road.  The MVF Office is approximately 1 mile from the elementary school.

Bag Drops:

Stone Mill 50 will have 2 drop bag locations on race day.  Bags will be collected on race morning outside the school in the start/ finish area.  There will be 2 separate piles:

  • Mile 24 (Pennyfield Lock)
  • Mile 40 (Riffle Ford Road)

Please clearly label your bag with your last name and bib number.  Our volunteers will attempt to sort them by bib number.  Please kindly refrain from packing bags that are oversized or heavy -- our volunteers work hard enough on race day!

The Pennyfield bags will be brought back to the school and will be waiting in the finish area. The Riffle Ford bags will also be brought back this year!

Course Cutoff Times:

The race starts at 6:00 AM SHARP! The cutoff time to finish is officially 13 hours or 7:00 PM and will be STRICTLY enforced due to permit requirements.  Intermediate cutoffs are as follows:

  • 12:30 to Pennyfield (26 miles to go)

  • 1:25 to Stone Mill (23 miles to go)

  • 3:10 to Route 28 (6.4 miles to go)

  • 5:10 to Riffle Ford (8.4 miles to go)

  • 6:40 to Rt. 355 (3.9 miles to go)

Training Runs Hosted by MyMuddyShoes:

See the Race FB page for info on the runs each Saturday in October.


Pacers are not allowed during the Stone Mill 50 Miler.

Historical Weather:

2022 was a hot year for Stone Mill!

Data from:

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