Tokyo 2020 - ‘British record!’ – Dina Asher-Smith returns as Team GB quartet ease through with national best time

Great Britain set a new national record to qualify fastest for the final of the women's 4x100 metres relay as Dina Asher-Smith made her return to the track. You want it? We have it. Stream every Olympic event live on discovery+.

00:01:11, 05/08/2021 at 04:06