Result: Wayde van Niekerk smashes 400m world recordSouth Africa's Wayde van Niekerk breaks Michael Johnson's 400m world record to win Olympic gold in Rio de Janeiro.
Aug 15, 02:06
Matthew Hudson-Smith: "It was improvisation"Team GB's Matthew Hudson-Smith admits that tactics played no part in his performance in the semi-finals of the men's 400m.
Aug 14, 01:10
Result: Matthew Husdon-Smith qualifies for 400m finalTeam GB sprinter Matthew Hudson-Smith qualifies for the men's 400m final at the Rio Olympics.
Aug 14, 00:51
Result: Wayde van Niekerk stuns LeShawn Merritt, Kirani James to win 400m goldWayde van Niekerk beats Olympic champion Kirani James and defending champion LaShawn Merritt to gold in the men's 400m final at the World Athletics Championships.
Aug 26, 14:37
Result: Kirani James through to 400m finalKirani James, LaShawn Merritt and Wayde van Niekerk all book their spots in the 400m final at the World Athletics Championships.
Aug 24, 13:31
LaShawn Merritt excited by Beijing returnLaShawn Merritt reveals his excitement as he returns to the Bird's Nest Stadium for the first time since winning 400m gold at the 2008 Olympics.
Aug 22, 02:16
LaShawn Merritt reveals treatment after exitLaShawn Merritt looks ahead to next year's World Championships after failing to qualify for the 400m semi-finals at the Olympics.
Aug 4, 11:45
Result: LaShawn Merritt pulls up in 400mLaShawn Merritt's hopes of defending his Olympic title is over after being forced to pull up in his 400m heat.
Aug 4, 11:25
Merritt tweaks hamstring in MonacoReigning Olympic 400m champion LaShawn Merritt pulls up injured in the Monaco Diamond League event.
Jul 21, 08:58
BOA alone on Olympics' drug stanceThe BOA's stance on athletes who have previous doping offences is under pressure from the World Anti-Doping Agency.
Nov 21, 21:10
World Anti-Doping Agency appealing Britain's lifetime banThe World Anti-Doping Agency confirms that it will appeal to the Court of Arbitration regarding Britain's Olympic lifetime ban.
Nov 16, 17:13
LaShawn Merritt wins appeal against Olympic banAmerican athlete LaShawn Merritt has his Olympic ban overturned.
Oct 6, 10:34