Ultra Running Hub
Trail 100k
Great Glen Ultra Marathon 72mi
Race completed
116km Distance
8,500m Elevation
10 Grit Score
Elite/Extreme Level
Vertical Intensity 73 D+/km
Extreme verticality. This is a technical mountain course with sustained steep grades.
The Aid Station
Course-specific beta from the community
This is a vertical course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
You have to run the 72 miles from Fort William to Inverness along the historic Great Glen. The terrain is a mixture of canal towpaths, forestry paths and tracks, and a little time spent on roads.