The sweat runs down Harry Leask’s arms, it streams down the wall in small streams, it just drips past the camera mounted in the floor. The Scot repeatedly puts almost 500 watts on the pedals of the ergometer, on which he sits in a small, dark niche in the hull of the bike Britannia pedals, even more in peaks. Enough energy to run a toaster.

It’s possible that Leask sometimes wonders how he got into this. The 29-year-old is actually a rower; in 2020 he won Olympic silver for Great Britain in the double sculls in Tokyo. But now Leask should use the strength of his legs to help him win sailing’s most prestigious trophy.