| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 4 | 2321 | Jayden DAVIS |
USA |
46.32 Q | |
| 2 | 1 | 2 | 1548 | Terrell THORNE |
AUS |
46.44 Q PB | |
| 3 | 1 | 5 | 1983 | Kentaro SHIRAHATA |
JPN |
46.45 Q PB | |
| 4 | 1 | 6 | 1576 | Enerst KUMEVU |
BOT |
46.69 Q | |
| 5 | 1 | 3 | 2341 | Sidi NJIE |
USA |
46.83 Q | |
| 6 | 2 | 3 | 2045 | Walid EL BOUSSIRI |
MAR |
46.87 Q PB | |
| 7 | 2 | 6 | 1873 | Árpád KOVÁCS |
HUN |
46.89 Q | |
| 8 | 2 | 5 | 1853 | Malachi AUSTIN |
GUY |
46.92 Q | |
| 9 | 1 | 1 | 2139 | Jakub SZARAPO |
POL |
46.95 Q | |
| 10 | 1 | 7 | 2197 | Udeme OKON |
RSA |
47.03 Q | |
| 11 | 3 | 6 | 1887 | Jay KUMAR |
IND |
47.08 Q | |
| 12 | 2 | 7 | 1635 | Haoran FU |
CHN |
47.17 Q | |
| 13 | 3 | 7 | 2084 | Gafari BADMUS |
NGR |
47.24 Q | |
| 14 | 4 | 7 | 1926 | Simone GILIBERTO |
ITA |
47.29 q PB | |
| 15 | 2 | 1 | 1902 | Sean DOGGETT |
IRL |
47.31 Q | |
| 16 | 2 | 2 | 2132 | Michał KIJEWSKI |
POL |
47.32 Q | |
| 17 | 3 | 1 | 1811 | Max HUSEMANN |
GER |
47.38 Q | |
| 18 | 3 | 3 | 1945 | Kemarrio BYGRAVE |
JAM |
47.39 Q | |
| 19 | 4 | 6 | 1533 | Jett GRUNDY |
AUS |
47.44 q | |
| 20 | 4 | 3 | 1979 | Ryota OISHI |
JPN |
47.46 q | |
| 21 | 5 | 3 | 1583 | Victor Elias Lino CHAVES |
BRA |
47.52 | |
| 22 | 2 | 4 | 1592 | Vinícius MOURA |
BRA |
47.55 Q | |
| 23 | 4 | 1 | 1578 | Thabang Charles MONNGATHIPA |
BOT |
47.57 | |
| 24 | 3 | 5 | 2277 | Jaden CLEMENT |
TTO |
47.63 Q | |
| 25 | 5 | 1 | 2176 | Alexandru Gabriel VOCHIN |
ROU |
47.64 | .632 |
| 26 | 3 | 4 | 2221 | G.W.Jathya KIRULU |
SRI |
47.64 Q | .635 |
| 27 | 5 | 7 | 1553 | Alessandro GRECO |
AUT |
47.68 | .678 |
| 28 | 3 | 2 | 2152 | Jarell CRUZ |
PUR |
47.68 Q | .679 |
| 29 | 5 | 6 | 2061 | Rafael BUELNA |
MEX |
47.82 | |
| 30 | 6 | 7 | 1705 | Ian Andrey PATA |
ECU |
47.84 | |
| 31 | 4 | 2 | 2206 | Jaylen BENNETT |
SKN |
47.88 | |
| 32 | 6 | 3 | 2030 | Aleksandrs TIŠČENKO |
LAT |
47.98 | |
| 33 | 6 | 6 | 2282 | Kyrell THOMAS |
TTO |
48.02 | |
| 34 | 4 | 5 | 1921 | Francesco DE SANTIS |
ITA |
48.07 | |
| 35 | 5 | 5 | 1609 | Pishon HAUGHTON |
CAN |
48.15 | |
| 36 | 4 | 4 | 2184 | Bryan KATOO |
RSA |
48.19 | .188 |
| 37 | 6 | 1 | 2053 | Muh.Khalil HELMI |
MAS |
48.19 | .189 |
| 38 | 5 | 4 | 2173 | Dragos Ionut NASTASA |
ROU |
48.20 | |
| 39 | 7 | 6 | 2069 | Matthew GALEA SOLER |
MLT |
48.40 | |
| 40 | 6 | 4 | 1851 | Joshem SYLVESTER |
GRN |
48.49 | |
| 41 | 8 | 6 | 2024 | Emīls LAMBA |
LAT |
48.59 | |
| 42 | 7 | 3 | 2113 | Jeffrey CAJO |
PER |
48.75 | |
| 43 | 5 | 2 | 1956 | Jabari MATHESON |
JAM |
49.34 | |
| 44 | 6 | 2 | 2160 | Khalid Wadi ADOUM |
QAT |
49.81 | |
| 45 | 6 | 5 | 2034 | Neo NTELELE |
LES |
50.67 | |
| 46 | 7 | 4 | 1882 | Bapi HANSDA |
IND |
51.26 | |
| 47 | 8 | 4 | 1520 | James Lomoi LOCHAULUKA |
ART |
58.03 PB | |
| 2 | 1660 | Dominik JEZERNIK |
CRO |
DNF | |||
| 5 | 2089 | Caleb JOSHUA |
NGR |
DQ | |||
| 1 | 2036 | Matas JANARAUSKAS |
LTU |
DQ | |||
| 1 | 2164 | Youssouf Abdelaziz DJIBRINE |
QAT |
DQ | |||
| 2 | 1719 | David GARCÍA |
ESP |
DNS | |||
| 3 | 2095 | Bastian ELNAN AURSTAD |
NOR |
DNS | |||
| 5 | 1644 | Ailixier WUMAIER |
CHN |
DNS | |||
| 7 | 1559 | Zion MILLER |
BAH |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second