Why Jimmy Spithill pushes to the limit in sailing’s F1

Sailing is now an extreme sport. Since 2013, hi-tech foiling multihulls and monohulls have been used in the Americas Cup; the famous old contest in which Spithill made himself a legend by skippering the USA to two wins.

And they are the boat of choice in SailGP, too; the reason Spithill has been…