Race. Train. Gear up.
Saturday, November 7, 2026 Montgomery Village, MD, USA
Trail 50mi

Stone Mill 50 Mile Run

148 days away
80km Distance
1,050m Elevation
5.6 Grit Score
Challenging Level
Vertical Intensity 13 D+/km
Flat Hilly Mtn

This course is relatively flat and fast. Ideal for PB attempts.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Course Intelligence

OPENFREE MAP (LIBRE)

Course Notes

Event starting and ending in and around the Seneca Greenway Trails, Seneca Ridge and muddy branch trail.