Men's 400m Hurdles Round 1 - Heat 1

Heat 1 has finished and here are the standings:

1. Abderrahman Samba (Qatar)

2. Alison Dos Santos (Brazil)

3. Abdelmalik Lahoulou (Algeria)

4. Kemar Mowatt (Jamaica)

In the 400m hurdles the first 4 in each heat and the next 4 fastest advance to the Semifinals.