400 metres, Boys
Participants
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Michael Mullett |  AUS |
| 2 | Henri Delauze |  BAH |
| 3 | Karabo Sibanda |  BOT |
| 4 | Anderson Cordeiro Lima Cerqueira |  BRA |
| 5 | Harol Maturana |  COL |
| 6 | Benjamin Vedel |  DEN |
| 7 | Jesús Serrano |  ESP |
| 8 | Gemechu Alemu Lama |  ETH |
| 9 | Jason Yaw |  GUY |
| 10 | Mohammadreza Rahmani |  IRI |
| 11 | Martin Manley |  JAM |
| 12 | Ian Mutuku |  KEN |
| 13 | Choi Min-Gi |  KOR |
| 14 | Paweł Chmiel |  POL |
| 15 | Ezequiel Suárez |  PUR |
| 16 | Malolefoua Hercules Posini |  SAM |
| 17 | Vitsanu Phosri |  THA |
| 18 | Chou Tzu-Yao |  TPE |
| 19 | Kashief King |  TTO |
| 20 | Andrew James |  USA |
| 21 | Tikie Mael |  VAN |