Trail ultramarathon · United Kingdom
23–25 July 2027 · Coniston, Lake District
100M: Fri, 23 July 2027
105 miles around the Lake District fells. A full circumnavigation of England's most iconic mountain landscape, passing through ancient valleys and over dramatic passes.
2027 dates confirmed
Event and distance dates were checked against the organizer schedule.
The mapped GPX is carried forward from 2026 until the new course is verified. Use it for course research, then re-check before race day.
Date sourceEntry · 100M · 2027 edition
Lottery places now belong to selected runners. The organizer lists other routes to a place below.
Requirement: a qualifying finish from 2025-2026 (Lakeland 50 under 16 h, a Lakeland 100, a 100-mile trail ultra, or a 50-mile mountain event with 3,000 m of climb).
Other routes the organizer lists: Charity entries (first come, from 8 September 2026, 09:00).
From the organizer's page, checked 30 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Lakeland 100 is a trail ultramarathon scheduled for 23–25 July 2027 in Coniston, Lake District, United Kingdom. TrailSplits currently includes one mapped course for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
How to get a place: The 2027 Lakeland 100 and 50 went by ballot: open 1 September 2026 for 48 hours, results by 5 September 2026. The 100 also needs a qualifying result dated 2025-2026 (for example a sub-16-hour Lakeland 50, a previous Lakeland 100 or another 100-mile trail ultra). Organizer's page, checked Wednesday 30 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Lakeland 100 site →
The organizer lists 100M at 169 km and +6,856 m for 2025; the course file mapped here (the organizer's 2026 file) measures 164.4 km. Small differences come from how each figure was measured; plans and pacing here use the mapped file. Organizer's race list, checked Wednesday 30 September 2026.
Racing more than once next year? Add 100M to a season and see whether your races work together.
Inspect the official course track on a topographic map, through its elevation profile, or in 3D.
› running direction two lines: out and back on the same path kilometres
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Prepare and return
Keep this course, its training plan, calendar and future course updates together in your private My Races page. Saving does not publish your workouts, pace or progress.
Lakeland 100 100M — 2025 edition. 250 finishers.
Estimated finish-time percentiles, modeled from the 2025 winning (20h 15m) and median (36h 00m) times — a guide, not official splits.
Race route lab
Open the official course in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 31.5 m climb per km.
Fri, 23 July 2027
Send to your watch
Get the official course as a clean GPX or a Garmin TCX course, with step-by-step instructions to load it onto a Garmin, COROS, Suunto, Wahoo, or Komoot — free, no account needed.
Compare your training
See how faithfully your rehearsal route matches the real race. The official course for 100M loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.
Course analysis
See the 100M course broken into its major climbs and descents in order — length, gain, average grade, and steepness — so you know where the crux is and how to pace and fuel it.
Race-week reminders
A free browser notification in the final week — the course crux, the weather window, and loading the GPX onto your watch. No app, no email, no account.
Lakeland 100 2027 is scheduled for 23–25 July 2027 in Coniston, Lake District. Check the official race site for registration deadlines and final details.
164.4 km with 5,175 m climb. The longest course is 164.4 km with about 5,175 m of vertical gain — a demanding mountain course.
The 100M course has a 40-hour cut-off, an average of 14.6 min/km to finish in time. TrailSplits' cut-off pacer shows the buffer at each aid station.
Yes. TrailSplits gives you the course map, an interactive elevation profile, a 3D flyover and a downloadable GPX for every mapped distance — free and with no sign-up.
Each distance has a free, course-specific 16-week training plan built around its distance, vertical gain and cut-offs, plus a pace and cut-off calculator.
No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://www.lakeland100.com.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.
Install TrailSplits — a free app you add straight from your browser — and download the 100M course to your phone. Explore the route and elevation offline before race day, then follow it with no signal on the day. No app store, no account, no subscription.