400 m, Men
| Competition | 2017 South American Athletics U20 Championships |
|---|---|
| Venue |
Leonora
 GUY
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Miguel Shepper |  SUR |
47.90 | ||
| 🥈 | Daniel Williams | GUY |
48.24 | ||
| 🥉 | Mateo Pascual |  URU |
48.30 |