Just making a joke: Usain Bolt retracts claim stairs got him out of breath

Jamaican says athletes loving Ultimate ChampionshipFormer sprinter proposed to Kasi Bennett last monthA year ago, Usain Bolt revealed he had stopped running and got out of breath whenever he went up the stairs. But now the greatest sprinter in history has insisted he has made a lightning return to fitness after proposing last month to his long-term partner Kasi Bennett.Bolt, who is an ambassador for the World Athletics Ultimate Championship in Budapest, laughed as he told reporters that his clai...