Cold water immersion and cold-shock, the first three minutes

I’d hazard a reasonable guess that what puts people off real cold water swimming is not what I write so much about, that is, hypothermia and cold exposure over long periods. Instead I’d postulate that it is the thoughts and fear of the initial cold shock and of the difficulty and pain involved with immersing…

Lewis Pugh

Introducing a precise open water swimming temperature scale

I get asked various questions related to cold because I like to write about it. Those questions often inspire further writing ideas. One thing I realised was there was no good agreement on cold water. A poll of open water gave the following results. Under 5ºC (41ºF) – 0% Under 10ºC (50ºF) – 7% Under 12.5°C (54.5°F)…