Tim Benjamin overcomes a tricky lane draw to finish third in his 400m heat won by Gary Kikaya (left) and reach the semis

No sweat for 400m star Jeremy Wariner who is looking to defend his title with a world record at the Nagai stadium

Round the bend this time for 100m champion Tyson Gay as he gets his 200m campaign under way in his bid for triple gold

Estonia's Gerd Kanter wins gold in the men's discus final with a throw of 68.94m, ahead of German Robert Harting

Brimin Kiprop Kipruto heads a Kenyan 1-2-3 in the 3000m steeplechase, ahead of team-mates Kemboi and Mateelong

Kenyan Janeth Jepkosgei wins the 800m as 2003 champion Maria Mutola pulls up in the home straight

Reigning pole vault champion Yelena Isinbayeva retains her title but fails to break her world record of 5.01m

Tasha Danvers-Smith qualifies for the 400m hurdles final, finishing second behind Jana Rawlinson in her semi-final

Tatyana Lebedeva wins gold in the long-jump as medals for Kolchanova and Kotova complete a Russian clean-sweep

American Kerron Clement wins the 400m hurdles final ahead of Olympic champion Felix Sanchez