| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 2845 | Abderrahman SAMBA |
QAT |
48.03 Q | |
| 2 | 1 | 4 | 2977 | Rai BENJAMIN |
USA |
48.15 Q | .143 |
| 3 | 1 | 3 | 2127 | Matheus LIMA |
BRA |
48.15 Q | .150 |
| 4 | 2 | 1 | 2371 | Tyri DONOVAN |
GBR |
48.26 Q PB | |
| 5 | 3 | 1 | 3031 | Chris ROBINSON |
USA |
48.27 Q | .263 |
| 6 | 4 | 1 | 2557 | Malik JAMES-KING |
JAM |
48.27 Q SB | .267 |
| 7 | 5 | 1 | 2650 | Wiseman Were MUKHOBE |
KEN |
48.27 q PB | .269 |
| 8 | 2 | 4 | 2397 | Emil AGYEKUM |
GER |
48.33 Q | |
| 9 | 2 | 3 | 2835 | Ismail Doudai ABAKAR |
QAT |
48.34 Q | |
| 10 | 1 | 5 | 2749 | Ezekiel NATHANIEL |
NGR |
48.37 Q | |
| 11 | 1 | 2 | 2842 | Bassem HEMEIDA |
QAT |
48.43 Q | |
| 12 | 2 | 2 | 2121 | Alison DOS SANTOS |
BRA |
48.48 Q | |
| 13 | 6 | 1 | 2915 | Oskar EDLUND |
SWE |
48.52 q PB | |
| 14 | 3 | 4 | 2110 | Victor NTWENG |
BOT |
48.54 Q PB | |
| 15 | 3 | 3 | 2769 | Karsten WARHOLM |
NOR |
48.56 Q | |
| 16 | 2 | 5 | 2989 | Caleb DEAN |
USA |
48.67 Q | |
| 17 | 4 | 3 | 2936 | Berke AKÇAM |
TUR |
48.68 Q SB | |
| 18 | 3 | 5 | 2120 | Francisco Guilherme DOS REIS VIANA |
BRA |
48.69 Q PB | |
| 19 | 5 | 3 | 2114 | Kemorena TISANG |
BOT |
48.72 q | |
| 20 | 4 | 4 | 2223 | Gerald DRUMMOND |
CRC |
48.81 Q SB | .805 |
| 21 | 3 | 2 | 2409 | Owe FISCHER-BREIHOLZ |
GER |
48.81 Q | .808 |
| 22 | 5 | 4 | 2551 | Roshawn CLARKE |
JAM |
48.83 q | |
| 23 | 4 | 5 | 2365 | Alastair CHALMERS |
GBR |
48.86 Q | |
| 24 | 4 | 2 | 2892 | Matic Ian GUÄŒEK |
SLO |
48.92 Q | |
| 25 | 7 | 1 | 2276 | Jesús David DELGADO |
ESP |
48.98 | |
| 26 | 6 | 4 | 2242 | VÃt MÜLLER |
CZE |
49.02 | |
| 27 | 7 | 4 | 2369 | Seamus DERBYSHIRE |
GBR |
49.20 | |
| 28 | 8 | 4 | 2256 | Dennick LUKE |
DMA |
49.32 | |
| 29 | 6 | 3 | 2396 | Joshua ABUAKU |
GER |
49.41 | |
| 30 | 5 | 5 | 2854 | Sabelo DHLAMINI |
RSA |
49.50 | |
| 31 | 9 | 4 | 2898 | Julien BONVIN |
SUI |
49.53 | |
| 32 | 6 | 5 | 2939 | İsmail NEZIR |
TUR |
49.66 | |
| 33 | 8 | 1 | 2592 | Shunta INOUE |
JPN |
49.73 | |
| 34 | 7 | 3 | 2911 | Carl BENGTSTRÖM |
SWE |
49.74 | |
| 35 | 5 | 2 | 2545 | Kyron MCMASTER |
IVB |
49.89 | |
| 36 | 8 | 3 | 2579 | Assinie WILSON |
JAM |
49.91 | .901 |
| 37 | 7 | 5 | 2908 | Patrik DÖMÖTÖR |
SVK |
49.91 | .903 |
| 38 | 6 | 2 | 2609 | Daiki OGAWA |
JPN |
50.08 | |
| 39 | 9 | 3 | 2888 | Jun Jie Calvin QUEK |
SGP |
50.17 | |
| 40 | 7 | 2 | 2676 | Marc Anthony IBRAHIM |
LBN |
50.20 | |
| 41 | 8 | 5 | 2620 | Ken TOYODA |
JPN |
51.80 | |
| 42 | 9 | 5 | 2070 | Najimul Hossain RONI |
BAN |
52.47 | |
| 43 | 9 | 1 | 2686 | Chi Chong CHEONG |
MAC |
52.76 | |
| 44 | 8 | 2 | 2889 | Akanye FRANCIS |
SKN |
53.26 | |
| 2 | 2532 | Alessandro SIBILIO |
ITA |
DNF |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second