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VOLUME II · METHOD · AMUNDSEN · NO. 23 · THIRTY KILOMETRES A DAY

Three Tonnes of Supplies, Thirty Kilometres a Day

Redundancy is not waste, it is the insurance that turns "signed" into "in the bank".

Pyramid Institute · Glacier Capitalapprox. 622 words · 3 min readArchived 2026-08-16

More than one founder has asked: why are you always counting headroom?

Our view first. Headroom is not caution, it is the only way to turn "probably works" into "certainly arrives". Why? Because what goes wrong is never the plan itself.

A little over a century ago, two teams set out for the same South Pole. Amundsen had fewer men and three tonnes of supplies, and covered thirty kilometres a day in good weather and bad; he reached the pole and returned safely. Scott had more men and one tonne of supplies, enough on paper; his team was lost to the last man. The difference was not headcount. It was headroom. Supplies are not stocked for the days that go well.

Accidents, inevitable South Pole Advance · distance from base Line width = redundancy · dot spacing = tempo Amundsen · fewer men · three tons Scott · more men · one ton Arrived later Unfinished road Summit Redundancy · 3 tons Redundancy · 1 ton Fair weather or foul 30 km a day Departure Amundsen turns back Back to base Time · mileage → Scott · return cut short Amundsen · summit, and safely back
A comparative reconstruction of the Amundsen and Scott Antarctic expeditions. The horizontal axis is time and mileage, from departure through the South Pole and back to base; the vertical axis is distance advanced from base. The gold line represents Amundsen: the outbound and return legs are straight lines of the same slope, with markers spaced at exactly equal intervals, representing thirty kilometres a day in fair weather or foul; upon reaching the South Pole he turned back, walking home to base at the same tempo. The grey line represents Scott: faster progress at the start, with large rises between markers, each later segment rising less and less, and a later arrival at the Pole; the return leg breaks off within a stretch marked as the accident, with part of the road to base left unfinished. The width of the two lines represents the redundancy carried: the gold line is markedly wider, corresponding to three tons of supplies; the grey line is narrower, corresponding to one ton. Line width = redundancy (3 tons / 1 ton) · dot spacing = tempo · Time ↓ · Return cut short · Safe return · Fair weather or foul, 30 km a day “The larger team does not necessarily win, nor does the smaller one” — together with the three tons, the one ton, and the thirty kilometres a day — comes from a 2012 speech by Wang Xing. The chart is a schematic reconstruction drawn from that telling, not a measured track.

So what counts as headroom? Only what can actually be consumed.

Three times over is the ruler for headroom

An example, with illustrative figures. A company wants to raise a billion. It sounds excessive. But between a term sheet and money in the bank sit due diligence, the investment committee and terms negotiation, and at every gate people drop out. Most of them do not arrive, and that is precisely why headroom means something. Three times over is the insurance that turns "signed" into "in the bank". With two extra alternatives in hand, a founder can stand straight when negotiating terms.

The other way round, not all piling-on is redundancy. One more chip on the board, one more version of the deck, one more batch of investors — that is usually not redundancy. Real headroom is like-for-like, substitutable and able to step in. Everything else is luggage.

Pacing is harder than sprinting

Thirty kilometres a day is a pace. Good weather, thirty. Bad weather, thirty.

Someone will say the window is open, so sprint — the skill in a bad market is getting done what cannot be done, and the skill in a good one is confirming the lead in the shortest possible time and wringing the window dry. That holds. The sprint belongs to the project. The pace belongs to the firm. A deal that is eight or nine tenths done and standing in front of goal needs an undivided block of a partner's time, and that block has to have been kept empty long in advance. It cannot be grabbed at short notice.

So the number of mandates is strictly limited. Glacier takes twenty or thirty a year, half new, half existing clients coming back for the next round. One more mandate takes headroom away from the companies already in hand. A limited capacity is not a pose, it is arithmetic: judgement, research, coordination and a partner's attention are all non-renewable.

Do we miss things because of it? Yes.

Then we miss them. But missing is the cost of this approach, not a hole in it. As we see it, the first duty is safety, not odds. A company's win rate can be talked up to ten out of ten and the odds may be down to half — count the redundancy first, the return second. On this one we are fairly confident.

Arriving is not the end. Getting back to camp is. A closing is not the end either. The company still standing in the next cycle — only then is the journey finished.

(On why service capacity is limited, see the entry of that name in the Institute.)