| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 715 | Youssef Ahmed MASRAHI |
KSA |
43.93 Q AR |
| 1 | 2 | 2 | 631 | Rusheen MCDONALD |
JAM |
43.93 Q NR |
| 3 | 3 | 2 | 243 | Isaac MAKWALA |
BOT |
44.19 Q |
| 4 | 1 | 6 | 857 | Wayde VAN NIEKERK |
RSA |
44.42 Q |
| 5 | 1 | 1 | 1067 | David Verburg |
USA |
44.43 Q |
| 6 | 4 | 2 | 521 | Martyn ROONEY |
GBR |
44.45 q PB |
| 7 | 1 | 3 | 1047 | LaShawn Merritt |
USA |
44.51 Q |
| 8 | 2 | 1 | 938 | Machel CEDENIO |
TTO |
44.54 Q |
| 8 | 2 | 6 | 943 | Renny QUOW |
TTO |
44.54 Q SB |
| 10 | 1 | 4 | 580 | Kirani JAMES |
GRN |
44.56 Q |
| 11 | 2 | 4 | 410 | Luguelín SANTOS |
DOM |
44.62 Q |
| 12 | 3 | 6 | 1049 | Bryshon Nellum |
USA |
44.65 Q PB |
| 13 | 3 | 1 | 217 | Jonathan BORLÉE |
BEL |
44.67 Q SB |
| 14 | 4 | 6 | 189 | Chris Brown |
BAH |
44.68 q |
| 15 | 4 | 1 | 632 | Peter Matthews |
JAM |
44.69 q PB |
| 16 | 5 | 2 | 759 | Liemarvin BONEVACIA |
NED |
44.72 q NR |
| 17 | 2 | 3 | 627 | Javon FRANCIS |
JAM |
44.83 Q |
| 18 | 3 | 4 | 940 | Lalonde Gordon |
TTO |
44.97 Q |
| 19 | 3 | 3 | 216 | Kévin BORLÉE |
BEL |
45.01 Q SB |
| 20 | 4 | 3 | 204 | Michael Mathieu |
BAH |
45.07 q |
| 21 | 5 | 3 | 362 | Nery Brenes |
CRC |
45.08 q |
| 22 | 6 | 2 | 395 | Pavel MASLÁK |
CZE |
45.16 |
| 23 | 4 | 4 | 245 | Onkabetse Nkobolo |
BOT |
45.17 PB |
| 24 | 1 | 5 | 520 | Rabah YOUSIF |
GBR |
45.24 Q |
| 25 | 5 | 1 | 869 | Pavel Ivashko |
RUS |
45.25 PB |
| 25 | 5 | 6 | 583 | Winston GEORGE |
GUY |
45.25 NR |
| 27 | 2 | 5 | 194 | Steven GARDINER |
BAH |
45.26 Q |
| 28 | 6 | 1 | 897 | Luka JANEŽIČ |
SLO |
45.28 NR |
| 28 | 7 | 1 | 1076 | Alberth Bravo |
VEN |
45.28 |
| 30 | 5 | 4 | 252 | Hederson Estefani |
BRA |
45.36 SB |
| 31 | 6 | 6 | 253 | Hugo de Sousa |
BRA |
45.42 SB |
| 32 | 6 | 4 | 515 | Jarryd Dunn |
GBR |
45.49 |
| 33 | 3 | 5 | 1050 | Vernon NORWOOD |
USA |
45.53 Q |
| 34 | 4 | 5 | 487 | Mame-Ibra ANNE |
FRA |
45.55 |
| 35 | 7 | 6 | 407 | Gustavo Cuesta |
DOM |
45.59 |
| 36 | 5 | 5 | 280 | Abbas Abubakar ABBAS |
BRN |
45.64 |
| 37 | 6 | 3 | 651 | Yuzo Kanemaru |
JPN |
45.65 |
| 38 | 7 | 3 | 238 | Aliaksandr Linnik |
BLR |
45.79 |
| 39 | 7 | 4 | 977 | Vitaliy Butrym |
UKR |
45.88 |
| 40 | 6 | 5 | 692 | Alphas Leken KISHOYIAN |
KEN |
46.02 |
| 41 | 8 | 1 | 581 | Bralon TAPLIN |
GRN |
46.27 |
| 42 | 8 | 3 | 332 | Zhongze Guo |
CHN |
46.42 |
| 43 | 7 | 5 | 721 | Mohamed Khouaja |
LBA |
46.50 SB |
| 44 | 8 | 5 | 847 | Berend KOEKEMOER |
RSA |
46.52 |
| 2 | 608 | Donald Blair-Sanford |
ISR |
DNS |