British sprint star Dina Asher-Smith is more confident than ever as she prepares to add to her medal haul at her sixth World Championships - and she's unafraid of being written off: 'we don't run on paper, we run on the track'

INTERVIEW BY DAVID COVERDALE: Asher-Smith was just 17 when she made her debut at a World Championships a decade ago - a year after she was trackside as a kit-carrier at London 2012.