Ambleside, United Kingdom · Saturday, July 11, 2026

Fixed Distance 100K

Lakeland Trails Ultra 100 km

Race completed
100 km Distance
3,783 m Climbing
10.0 Grit · Elite / extreme
54.4326° N, 2.9617° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 38 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 23 hours 13:48 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 83% of 100K races. Measured against 203 races of the same distance. Cut-off calculator →
Field size ~109 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2024 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, July

Daytime high 17°C
Night low 12°C
Rainfall Showers likely
Daylight 16 h 54 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 164 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling 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
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail with 3,783 m of ascent.

  • Trail Running Shoes 38 m of climb per kilometre — grip and rock protection before cushioning.
  • Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration Vests Pole attachment and chest-strap stability on steep ground.
  • Trekking Poles 3,783 m of ascent to walk up.
  • Headlamps A 23 h limit puts you out there after dark.
All gear guides →

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