Inchree, United Kingdom · Saturday, October 10, 2026
Fixed Distance Marathon
Sea to Summit Ben Nevis
Race completed
45 km Distance
5,400 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 120 m / km
Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.
Typical conditions, October
Daytime high 10°C
Night low 6°C
Rainfall Showers likely
Daylight 10 h 54 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 300 m. Not a forecast.
Course notes
- terrain This is a vertical course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 45 km of trail with 5,400 m of ascent.
- Trail Running Shoes 120 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 45 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 5,400 m of ascent to walk up.
- GPS Watches Battery life first — a 45 km day outlasts most full-GPS modes.
Similar races
Other Marathon trail ultras, closest in distance first.