400 m, Men
| Competition | 2021 World Athletics U20 Championships |
|---|---|
| Venue |
Nairobi
 KEN
|
| Held | 18 – 21 August 2021 |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Anthony Pesela |  BOT |
44.58 | ||
| 🥈 | Luis Avilés |  MEX |
44.95 | ||
| 🥉 | Antonie Nortje |  RSA |
45.32 |