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A computed best-found round of all 214 — and why it is not a record attempt

Lists & bagging · 7 min read

The perfect Wainwright round, according to the map

A computed best-found round of all 214 — and why it is not a record attempt.

A stony path forking beside a wooden signpost in a sunlit Lakeland valley, a steep green fell rising ahead under blue sky.
A fork in a mapped path — the ordinary decision this whole calculation is made of, and the reason it can never take the direct line. © Lee McCoy

Start with what this cannot do. We built a map of every path, track, bridleway and road in the Lake District and asked it for the quickest continuous round of all 214 Wainwrights. The answer it gives is longer, hillier and slower than the actual record — and that is not a failure of the arithmetic. It is the whole point.

People who set records on these fells do not follow paths. They run the direct line: over open fellside, down trods worn by fell-runners that no survey has ever recorded, straight where the path bends. None of that ground exists in OpenStreetMap, so none of it exists in our graph. Our round is longer because we deleted the ground they actually run on. What follows is the best round available to someone who stays on the map.

The answer

7 days 15 h 20 min
computed continuous time
600.5 km
distance
45,089 m
total ascent
214
summits, closed loop

That is a model output, not a walked time. It assumes no stops, no navigation error, no weather, no darkness and no fatigue, at a walking pace calibrated against 38 of our own Lakeland fell days. Nobody has walked this. Nobody would.

It is also best-found, not proven optimal. Finding the true shortest tour through 214 points is a famously hard problem; we state the method so it can be checked and beaten. OR-Tools routing, PATH_CHEAPEST_ARC + GUIDED_LOCAL_SEARCH, 150s budget, solved in 150s. The graph holds 615,752 junctions and 1,186,364 directed links, built from an OpenStreetMap extract dated 24 July 2026, with heights from the Copernicus GLO-30 elevation model — the same terrain data behind our computed panoramas.

The round does not cross land the map says is closed. Every way tagged as private, or as barred to walkers, is removed from the graph before solving, so the route cannot save time by trespassing. Public footpaths and bridleways that happen to run over private land stay in — they are rights of way, and walking them is exactly what they are for. Holding the round to that costs it about five minutes and a kilometre, which we think is a bargain. Where OpenStreetMap marks a track private that is in truth an old and accepted way, we lose a little time we did not need to; we would rather err in that direction.

Against the record

timedistanceascent
Our best-found round7 days 15 h 20 min600.5 km45,089 m
John Kelly, 2–7 May 20225 d 12 h 14 m 43 smore than 515 km36,000 m

He is faster than our model by about 2.1 days, over a shorter line with less climbing. This is not a competition our round entered. His is a supported run by one of the strongest ultra-runners in the sport; ours is a walking model on a restricted map. Setting them side by side is only useful for one thing: it measures how much the unmapped ground is worth. On these numbers, staying on the map costs roughly 86 km and 9,089 m of extra climbing.

One caution on that last figure. Our ascent is sampled from a 30 metre elevation model, so it is a model of the climbing rather than a measurement of it. We used to say the model reads low; checking it against 38 of our own recorded walks, DEM-derived ascent actually came out about 1% higher than the barometric figure a watch reports, not lower. So treat the gap as real but the exact metre count as approximate, and in neither direction as flattering to us.

And there is no single “length of the Wainwrights round”. Every contender picks their own line between the same 214 summits, so the distance is a property of the attempt, not of the challenge.

The line it chose

Simplified for display from the full computed line. The summits are shown as points; the line follows mapped paths, tracks and roads only.

The record holder’s actual line

John Kelly’s round is public on Strava. It is worth looking at beside ours: where our line follows a path round a shoulder, his goes over it.

Strava activity map — John Kelly, Wainwrights, May 2022

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What staying on the map costs

Fastest Known Time publishes a reference line for this challenge — a GPX on its Wainwrights 214 route page. It is a suggested route rather than anyone’s recorded run, and it goes where record-setters go: across open fell, straight down where our line has to find a path. Measuring ours against it puts a number on the constraint.

distanceascent
FKT reference line517.1 km34,908 m
Our path-legal round570.3 km38,344 m
The cost of the map+53.2 km+3,436 m

About 10% further and about 10% more climbing. That is the price of every diversion to a mapped way — the contour path instead of the direct descent, the track round the shoulder instead of over it.

A note on resolution

One methodological note, because it changes the answer. Our reconstructed line carries a point roughly every 18 metres; the reference line has one every 58. A coarser line cuts corners, so it measures shorter, and it samples fewer points on the elevation model, so it collects less climbing. Compared as published, ours looked 13% longer and 25% hillier — and most of that ascent gap was simply the difference in resolution. Both lines here are reduced to the same 60 metre spacing and sampled on the same elevation model. What survives that is real.

The shortest round is the hilliest round

We solved it twice: once for the quickest round, once for the shortest. They are different routes, and the trade is worse than it looks.

timedistanceascent
Optimised for time183.33 h600.5 km45,089 m
Optimised for distance186.53 h592.4 km48,097 m
−8.1 km
saved on distance
+3.20 h
costs in time
+3,008 m
extra ascent

Chasing the shortest round saves 8.1 km and costs 3.20 hours and 3,008 m of extra ascent. The climbing is the reason: minimising distance drives the line straight over tops instead of round them. Over 214 summits the ground you cover barely changes — you are walking about 590 km whatever you do — but the order you take them in decides how much of it is uphill. The steepest single leg on the quick round is Green Crag to Slight Side, 828 m.

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Related

Method and honesty. Walking times use Naismith’s rule at a pace factor of 0.939, fitted against 38 of our own recorded Lakeland fell days (median error 9.2%). This page previously applied Langmuir’s descent corrections on top, and no longer does. Tested per segment against those same walks, the descent term made the fit worse rather than better — Naismith already over-predicts on steep ground, and a correction that adds time pushes the error further out. It was inflating the round by about 36 hours. The pace factor moved too, from 0.898, because the old one was fitted against the distance and ascent our GPS watch reported while the solver measures both from the map and the elevation model; a pace fitted in one pipeline cannot be applied in another. Ascent is summed along the actual route, node by node — not from summit heights, which would miss every re-climb. Roads are included: on paths alone the network breaks into 12 disconnected pieces and no continuous round exists at all. Motorways are excluded. Path and road data © OpenStreetMap contributors (ODbL), extract dated 24 July 2026; elevation from Copernicus GLO-30; summit list from the Database of British and Irish Hills (CC BY 4.0). Record figures verified against the athlete’s own report and published record listings. The full working, including what we got wrong along the way, is in the open data behind this page.