The Stone Mill 50 Mile is a 50 mile trail run on the Seneca Greenway and Muddy Branch trails in Montgomery County Md. The course traverses forested, rolling terrain. The course is primarily on single track dirt. There are small stream crossings. Most of the course drains well, but parts can be muddy in wet weather.

Upcoming Races

Nov 9 2019
50 Miles
Lollipop Course
Hilly, ~2500-7500 feet in 50 miles
Some rocks, root, and/or ruts

Results

Date Distance Total Finishers Top Result Top Result (F)
11/17/18 50 Miles 244 7:15:00 9:03:14
11/11/17 50 Miles 252 7:21:41 8:25:02
11/12/16 50 Miles 211 7:19:13 8:57:15
11/14/15 50 Miles 282 7:04:13 8:05:30
11/14/14 50 Miles 261 6:49:16 8:25:41
11/16/13 50 Miles 251 7:06:35 7:46:19
11/17/12 50 Miles 259 7:25:13 8:16:31
11/19/11 50 Miles 178 8:02:22 9:41:26
11/20/10 50 Miles 117 7:34:15 8:38:32
11/20/10 56 Miles 6 8:38:24
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.

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