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16 March 2000

Under the Ice

In March 2000, in a lake near Pello, Finland, he swam fifty-seven and a half metres beneath the ice. On the first attempt his corneas froze; he tried again.

The story

The day.

In March 2000, in a lake near Pello, Finland, he swam fifty-seven and a half metres beneath the ice. On the first attempt his corneas froze; he tried again.

He prepared the way he always prepares: breath first, then the cold, then the mind that refuses the first urge to stop. What looks like a stunt from outside is, from inside, a very slow conversation with fear.

Breath, cold, mind

What it took.

Years of daily immersion. Rounds of breathing to load the blood with oxygen and drop the carbon dioxide. A body that had learned to send blood inward and keep the core warm while the skin went numb.

And a rule: feel everything, react to nothing.

Physiology

What the body did.

Vasoconstriction at the surface; a rise in adrenaline without panic; brown fat burning to make heat; the periaqueductal gray in the brainstem dampening pain. The mechanisms pages explain each in plain words.

The mechanisms

Honestly

Where it stands today.

The site's "sixty-six metres" figure is a later retelling; Guinness recorded 57.5 metres. The record has since been broken.

What I am capable of, everybody can learn.
Wim Hof