Dina Asher-Smith came through unscathed in the heats as Team GB set a new British record in the women's 4x100m relay on Thursday.
The sprint star - who had her Olympics wrecked by a hamstring injury - returned for the first time after failing to reach the 100m final and pulling out of the 200m.
Asher-Smith was untroubled as she ran the third leg with the team impressively winning their heat in 41.55 seconds - a new British record.
More to follow...
Dina Asher-Smith will run in the women's 4x100 metres relay heats in Tokyo on Thursday
Asher-Smith failed to make the 100m final and revealed she had a hamstring tear weeks ago