The new and the old, the unknown and the known; the two semi-finals of the women s 1500m were contrasting affairs.

They came, they saw, they went home happy.

There was a reason why LaShawn Merritt ran the fifth-fastest 400m of all-time at the IAAF World Championships on Tuesday, according to the US sprinter's coach.

Twenty-two women ran the heats of the 5000m on Wednesday morning in the Luzhniki Stadium.

History has taught us never to discount Christine Ohuruogu but boy did she leave it late, very late, to regain the World 400m title she last won in Osaka six years ago.

Ethiopia s Mohammed Aman may have tactically got his race wrong 12 months ago at the London 2012 Olympic Games but his race plan worked perfectly at the IAAF World Championships and he was able to add this title to the 2012 World Indoor Championships g...