Great Britain's victorious men's 4x100 metres relay runners are hoping to build on their success at future major tournaments after taking gold at the World Championships in London
Usain Bolt suffered a injury midway into his anchor leg of the men's 4x100 metres relay and pulled out of the last race of career at the World Athletics Championships here on Saturday
Sprinter Nesta Carter has appealed against the decision to strip him and a Jamaican team featuring Usain Bolt of an Olympic 4x100 metres relay gold medal due to doping, the Court of Arbitration for Sport has announced
The United States women's 4x100 metres relay team laid to rest one of the longest-standing and most controversial world records as they took the Olympic title on Friday.
France upset Phelps, Lochte-strong USA to claim men's 4x100m freestyle relay gold