Trail 50mi
Trail Rail Run 50 Mile
8 days to go
80km Distance
4 Grit Score
Challenging Level
Vertical Intensity 0 D+/km
This course is relatively flat and fast. Ideal for PB attempts.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
Run the old Milwaukee and Northern Pacific Railroad grades from Mullan, Idaho to St. Regis, Montana near the summer solstice. Gentle grades, beautiful scenery and moderate temperatures combine for an ultra great experience while crossing the Rocky M