Heats
vendredi 27 septembre 2019, 19h35 GMT – 19h35 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Abderrahman Samba | Qatar | 49.08″ |
| 2 |  Takatoshi Abe | Japan | + 0.17″ |
| 3 | Karsten Warholm | Norway | + 0.19″ |
| 4 | Rasmus Mägi | Estonia | + 0.26″ |
| 5 | Thomas Barr | Ireland | + 0.33″ |
| 6 |  Ludvy Vaillant | FFA - France Athlétisme | + 0.41″ |
| 7 | TJ Holmes | United States | + 0.42″ |
| 8 | Abdelmalik Lahoulou | Algeria | + 0.46″ |
| 9 | Kyron McMaster | British Virgin Islands | + 0.52″ |
| 10 | Rai Benjamin | United States | + 0.54″ |
| 11 | Jabir Madari Pillyalil | India | + 0.54″ |
| 12 |  Kemar Mowatt | Jamaica | + 0.55″ |
| 13 | Alison Dos Santos | Brazil | + 0.58″ |
| 14 | Amere Lattin | United States | + 0.64″ |
| 15 | Chris McAlister | Great Britain | + 0.65″ |
| 16 |  Yasmaní Copello | Turkey | + 0.67″ |
| 17 | Mohamed Touati | Tunisia | + 0.68″ |
| 18 |  Patryk Dobek | Poland | + 0.81″ |
| 19 | Fernando Vega | Mexico | + 0.87″ |
| 19 | Chieh Chen | Chinese Taipei | + 0.87″ |
| 21 | Rilwan Alowonle | Nigeria | + 0.96″ |
| 22 | Vít Müller | Czech Republic | + 1.07″ |
| 23 |  Luke Campbell | Germany | + 1.12″ |
| 24 | Masaki Toyoda | Japan | + 1.26″ |
| 25 | Mahdi Pirjahan | Iran | + 1.38″ |
| 26 |  Nick Smidt | Netherlands | + 1.46″ |
| 27 | Dharun Ayyasamy | India | + 1.47″ |
| 28 |  Kariem Hussein | Switzerland | + 1.54″ |
| 29 | Sergio Fernández | Spain | + 1.63″ |
| 30 | Creve armando Machava | Mozambique | + 1.68″ |
| 31 | Constantin Preis | Germany | + 1.85″ |
| 32 |  Marcio Teles | Brazil | + 1.94″ |
| 33 |  Wilfried Happio | FFA - France Athlétisme | + 2.17″ |
| 34 | Artur Terezan | Brazil | + 2.44″ |
| 35 | Lindsay Hanekom | South Africa | + 2.63″ |
| 36 | Ned Azemia | Seychelles | + 3.5″ |
| 37 | Andrea Ercolani Volta | San Marino | + 3.52″ |
| 38 | Malique Smith | Virgin Islands | + 10.37″ |
| Bienvenu Sawadogo | Burkina Faso | DQ |