Grand Tour of the Ben 100K is the 90.0km ultra trail at Skyline Scotland by UTMB 2027 (Fort William, United Kingdom). The race starts on September 18, 2027 at 09:00 AM. It starts in Fort William and finishes in Nevis Range. The time limit is 18 h.
Run the downhill at race pace, but focus on the climb.
The course climbs 2430m+. With 27m/km of climbing, this is a rolling, mostly runnable course. By gradient, 30% of the distance is uphill, 32% downhill and 38% flat. The longest climb runs 8.0km at an average 9.6% grade (765m of vertical). The longest descent runs 6.9km at an average 6.2% grade (426m of vertical). The steepest climb averages 27.3% over 0.8km. The steepest descent drops at 22.3% over 0.7km. Surface: 76% trail, 15% smooth, and 6% technical. Flat-equivalent effort: 111.6 FlatKM.
Poles bring little benefit here: only about 6.9km of pole-friendly terrain.
Quad damage risk is moderate (index 31 of 100), with 59% of the load in the first half: 2 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 9°C to 14°C, with around 9°C at the highest point; the chance of precipitation is about 72%. Heavy rain of 10.0mm or more falls on about 14% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Grand Tour of the Ben 100K.
Other distances of Skyline Scotland by UTMB 2027Tour of the Ben 50K (63.0km)·Ben Nevis Skyline (38.0km)·Aonach Mòr Anarchy (21.0km)
Official websiteskylinescotland.utmb.world
