In 1998 a man watched his son get soundly beaten in a go-kart race by a very fast young driver. He went to the bookies and asked to put a bet on this kid winning a Formula One race before he reached the age of 23.
William Hill laughed him out of the shop, but Ladbrokes gave him odds of 200-1. After this month's Montreal Grand Prix, where 22 year-old Lewis Hamilton recorded his first victory, the chap called up Ladbrokes to claim his winnings - 40,200 pounds.