Course & Logistics
Course Map
Click here for a larger map.
Strava Map with gpx: Stone Mill 50 Miler
Course Marking
The course is very well marked with white flags containing the Stone Mill logo as well as with yellow ribbons that say "Stone Mill." Double flags or ribbons are used to indicate an upcoming turn.
Elevation Profile
Stone Mill has ~4000 ft of total elevation gain
Packet Pickup:
NEW LOCATION THIS YEAR
Packet pickup will be held at the Charm City Run store in Gaithersburg 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:
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:
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12:30 to Pennyfield (26 miles to go)
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1:25 to Stone Mill (23 miles to go)
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3:10 to Route 28 (16.4 miles to go)
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5:10 to Riffle Ford (8.4 miles to go)
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6:40 to Rt. 355 (3.9 miles to go)
Training Runs Hosted by MyMuddyShoes:
See the Stone Mill Facebook page for info on the runs each Saturday in October.
Run #1 Saturday 5 October Stedwick E. S. Mont. Village, MD.
Run #2 Saturday 12 October Pennyfield Lock, Potomac MD.
Run #3 Saturday 19 October Pennyfield Lock (Again) Potomac MD
Run #4 Saturday 26 October Riffle Ford Rd, Gaithersburg MD
All runs start at 0730.
Historical Weather:
2022 was a hot year for Stone Mill!
Data from:https://www.wunderground.com/history/daily/us/va/sterling/KIAD
