Heats
vendredi 2 mars 2018, 12h20 GMT – 12h20 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Luka Janezic | Slovenia | 46.45″ |
| 2 |  Oscar Husillos | Spain | + 0.06″ |
| 3 |  Jakub Krzewina | Poland | + 0.14″ |
| 4 | Deon Lendore | Trinidad & Tobago | + 0.23″ |
| 5 | Aldrich Bailey | United States | + 0.32″ |
| 6 |  Pavel Maslak | Czech Republic | + 0.35″ |
| 7 | Lee Thompson | Great Britain | + 0.36″ |
| 8 | Luguelín Santos | Dominican Republic | + 0.38″ |
| 9 | Yousef Karam | Kuwait | + 0.41″ |
| 10 | Javon Francis | Jamaica | + 0.42″ |
| 11 |  Chidi Okezie | Nigeria | + 0.46″ |
| 12 | Asa Guevara | Trinidad & Tobago | + 0.47″ |
| 13 | Lucas Búa | Spain | + 0.51″ |
| 14 | Patrik Sorm | Czech Republic | + 0.54″ |
| 15 |  Michael Cherry | United States | + 0.54″ |
| 16 | Juander Santos | Dominican Republic | + 0.57″ |
| 17 | Rafal Omelko | Poland | + 0.68″ |
| 18 | Mikhail Litvin | Kazakhstan | + 0.71″ |
| 19 | Vitaliy Butrym | Ukraine | + 1″ |
| 20 | Anthony Rasmijn | Aruba | + 2.75″ |
| 21 | Davron Atabaev | Tajikistan | + 2.75″ |
| 22 | Kelvin Delvin Ramírez | Nicaragua | + 3.43″ |
| 23 | Dicki-Terry Mael | Vanuatu | + 3.47″ |
| 24 | Mohamed Naail | Maldives | + 3.53″ |
| 25 | Narek Ghukasyan | Armenia | + 4.57″ |
| Nery Brenes | Costa Rica | DQ | |
| Austris Karpinskis | Latvia | DQ | |
| Steven Gayle | Jamaica | DQ | |
 Alonzo Russell | Bahamas | DQ | |
| Bralon Taplin | Grenada | DQ | |
| Mazen Al Yasen | Saudi Arabia | DNS | |
| Abdalelah Haroun | Qatar | DQ |