Lundy said she would honour the wager after Australia failed to win more medals than Britain at the London Olympics. With five days to go, Britain are third in the medals table and Australia are 12th.

Caster Semenya reacts after the women’s 800m Round One heats yesterday. Pic/Getty Images

Her British opposite number, Hugh Robertson, would have had to dribble a hockey ball near Australia House in central London, wearing an Australia shirt, if he had lost the bet.