Tokyo delay may harm Asher-Smith's chances, says former Olympian

'What's another year?' British stars relieved at Olympic delay

Barbie launches dolls to honour women sports stars

World Athletics Championships: Asher-Smith surges to 200m title

IAAF World C'ships: Fraser-Pryce wins fourth 100 metres world title

Lyles seals sprint double before world championships

IAAF Diamond League: Blake blasts back with 100m win, eyes world champs

IAAF Diamond League: Miller-Uibo takes 200m crown, Chao-Tsun wins javelin gold in Birmingham

IAAF Diamond League: Fraser-Pryce wins 100m in London; Obiri posts season-best timing

Anniversary Games: Fraser-Pryce takes on Asher-Smith in London 100m shootout

World record-holders Kipchoge, Mayer nominated for athlete of the year

Semenya and Asher-Smith head IAAF Female World Athlete of the Year shortlist