| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 1611 | Alison DOS SANTOS |
BRA |
47.85 Q |
| 2 | 1 | 3 | 2197 | Karsten WARHOLM |
NOR |
48.00 Q SB |
| 3 | 2 | 3 | 1832 | Wilfried HAPPIO |
FRA |
48.14 Q PB |
| 4 | 2 | 2 | 2353 | Trevor BASSITT |
USA |
48.17 Q |
| 5 | 3 | 3 | 2417 | Khallifah ROSSER |
USA |
48.34 q |
| 6 | 3 | 2 | 1785 | Rasmus MÄGI |
EST |
48.40 q |
| 7 | 1 | 1 | 2357 | Rai BENJAMIN |
USA |
48.44 Q |
| 8 | 4 | 3 | 2032 | Kemar MOWATT |
JAM |
48.59 |
| 9 | 4 | 2 | 2296 | Carl BENGTSTRÖM |
SWE |
48.75 |
| 10 | 5 | 2 | 1506 | Abdelmalik LAHOULOU |
ALG |
48.90 |
| 11 | 2 | 1 | 2029 | Jaheel HYDE |
JAM |
49.09 Q |
| 12 | 6 | 2 | 2099 | Moitalel MPOKE |
KEN |
49.34 |
| 13 | 7 | 2 | 1699 | Gerald DRUMMOND |
CRC |
49.37 |
| 14 | 3 | 1 | 1586 | Julien WATRIN |
BEL |
49.52 |
| 15 | 5 | 3 | 2168 | Nick SMIDT |
NED |
49.56 |
| 16 | 6 | 3 | 2061 | Kazuki KUROKAWA |
JPN |
49.69 |
| 17 | 4 | 1 | 2157 | Ramsey ANGELA |
NED |
49.77 |
| 18 | 8 | 2 | 2037 | Shawn ROWE |
JAM |
49.80 |
| 19 | 5 | 1 | 1973 | Thomas BARR |
IRL |
50.08 |
| 20 | 7 | 3 | 2272 | Sokwakhana ZAZINI |
RSA |
50.22 |
| 21 | 6 | 1 | 1861 | Alastair CHALMERS |
GBR |
50.54 |
| 22 | 7 | 1 | 2327 | Yasmani COPELLO |
TUR |
51.49 |
| 23 | 8 | 3 | 2179 | Ezekiel NATHANIEL |
NGR |
54.18 |
| 1 | 2013 | Kyron MCMASTER |
IVB |
DNS |