USA win women's 4x100m relay in new world record time
The USA's women's 4x100m relay team win gold at the London Olympics, setting a new world record in the process.
Aug 10, 20:42
Jodie Williams gears up for debut at London Grand Prix
British sprinter Jodie Williams insists her female competition in the Diamond League will make her a better athlete.
Aug 2, 17:33
