Part of Sebastian Coe's new job as head of world athletics will be to shift the conversation about his "ostensibly clean" sport from doping to spectacular performances, he said on Sunday.
The Briton will become president of the International Association of Athletics Federations (IAAF) at the conclusion of the 15th world championships on Sunday.
The former Olympic champion takes over a sport that has endured a month of allegations that it is soft on doping after the leak of thousands of blood tests to media organizations.