Men's 400m Hurdles Round 1 - Heat 5
vendredi 30 juillet 2021, 02h57 GMT – 07h57 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Rai Benjamin | 48.6″ |
| 2 |  Rasmus Mägi | + 0.13″ |
| 3 |  Sokwakhana Zazini | + 0.91″ |
| 4 |  Nick Smidt | + 0.95″ |
| 5 |  Vit Muller | + 0.99″ |
| 6 |  Takatoshi Abe | + 1.38″ |
| 7 |  Jabir Madari Palliyalil | + 2.17″ |