Jamaican runs 6.44 - just five hundredths outside Maurice Greene's global mark - and moves to fifth on the all-time 60m list to highlight the morning of the second day at the World Indoors
The 2012 European 800m champion goes into the IAAF World Indoor Championships eager for even more experience as she uses the event as a stepping stone towards the Rio Olympics
With Genzebe Dibaba clocking an astonishing 1500m world record of 3:50.07 last year, her coach, Jama Aden, tells Cathal Dennehy how she did it and claims the Ethiopian can run far quicker
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