Pearson`s golden moment all the greater after injury heartache
(IAAF News)

Five years ago Sally Pearson was on top of the world. The Australian 100m hurdler had just claimed the Olympic title in London, to add to the gold medal she won at the IAAF World Championships in Daegu the year before. She was the dominant force in sprint hurdling, and looked set to be the standard bearer for the event for many years to come.