400 m, Men
| Competition | 2017 World Athletics Championships |
|---|---|
| Venue |
London
 GBR
|
| Held | 5 – 8 August 2017 |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Wayde van Niekerk |  RSA |
43.98 | ||
| 🥈 | Steven Gardiner |  BAH |
44.41 | ||
| 🥉 | Abdalelah Haroun |  QAT |
44.48 |