25-year-old Amusan won the semi-final ahead of Kendra Harrison, who held the previous record of 12.20 from 2016. A record that has thus been erased – with a bang.

Amusan's time, 12.12, which came in a slight tailwind (+0.9), also meant a substantial improvement on his previous personal best of 12.40.

- I just wanted to go out and drive.

I did what I needed to do.

Now I'm looking forward to the final, she says.

The final of the 100 meter hurdles will be decided at 04.00 tonight.