Ben Ainslie
Sailor
Olympic gold medal and the world championship sailor from Great Britain.
He started sailing seriously at the age of eight, and by twelve took part in his first international competition.
With his fourth Olympic gold medal along with a silver, he became the most successful sailor in the history of the Olympic sport.
His father Roddy Ainslie had a boat in the inaugural Whitbread 'Round The World Race. He married Georgie Thompson in 2014.
Tennis champion Laura Robson also became a well-known British Olympian.