First 3 in each heat (Q) and the next 6 fastest (q)

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms*
1 1 5 1288 Emmanuel Kipkurui KORIR KENKEN 1:45.16 Q
2 2 5 1379 Mostafa SMAILI MARMAR 1:45.27 Q
3 3 5 1591 Wesley VÁZQUEZ PURPUR 1:45.47 Q
4 1 6 828 Elliot GILES GBRGBR 1:45.53 Q
5 2 6 1919 Clayton MURPHY USAUSA 1:45.62 Q .611
6 3 6 272 Amel TUKA BIHBIH 1:45.62 Q .616
7 4 6 651 Álvaro DE ARRIBA ESPESP 1:45.67 q .666
7 4 5 104 Yassine HETHAT ALGALG 1:45.67 .666
9 1 3 412 Brandon MCBRIDE CANCAN 1:45.96 Q
10 1 4 1295 Ferguson Cheruiyot ROTICH KENKEN 1:45.98 Q
11 2 4 1896 Bryce HOPPEL USAUSA 1:46.01 Q
12 1 1 1871 Donavan BRAZIER USAUSA 1:46.04 Q
13 1 2 1281 Alex Ngeno KIPNGETICH KENKEN 1:46.07 Q
14 3 4 1765 Abdessalem AYOUNI TUNTUN 1:46.09 Q
15 2 3 1593 Abubaker Haydar ABDALLA QATQAT 1:46.11 Q
16 2 1 395 Marco AROP CANCAN 1:46.12 Q .113
17 2 2 647 Adrián BEN ESPESP 1:46.12 Q .117
18 5 5 845 Kyle LANGFORD GBRGBR 1:46.14 .138
18 3 3 761 Pierre-Ambroise BOSSE FRAFRA 1:46.14 Q .138
20 4 4 1376 Oussama NABIL MARMAR 1:46.17 q
21 5 4 1531 Adam KSZCZOT POLPOL 1:46.20 q
22 3 2 851 Jamie WEBB GBRGBR 1:46.23 Q
23 4 2 1905 Brannon KIDDER USAUSA 1:46.29 q
24 5 2 2083 Jamal HAIRANE QATQAT 1:46.40
25 6 4 103 Mohamed Belbachir ALGALG 1:46.52
26 3 1 1645 Tshepo TSHITE RSARSA 1:46.54 Q
27 4 3 1381 Moad ZAHAFI MARMAR 1:46.56
28 4 1 1711 Andreas KRAMER SWESWE 1:46.74
29 5 6 1588 Andrés ARROYO PURPUR 1:46.75
30 5 1 2029 Lucirio Garrido VENVEN 1:46.89
31 5 3 159 Peter BOL AUSAUS 1:46.92
32 7 4 2074 Mark ENGLISH IRLIRL 1:47.25
33 6 2 927 Marc REUTHER GERGER 1:47.31
34 6 6 1456 Edose IBADIN NGRNGR 1:47.91
35 7 6 1333 Musa HAJDARI KOSKOS 1:47.98
36 6 5 1013 Quamel PRINCE GUYGUY 1:48.41
37 6 3 138 Pol MOYA ANDAND 1:48.52
38 6 1 656 Mariano GARCÍA ESPESP 1:49.08
39 7 1 168 Luke Mathews AUSAUS 1:50.16
40 7 5 1511 Mohammed Al-Suleimani OMAOMA 1:50.91 PB
41 8 5 899 Benjamín ENZEMA GEQGEQ 1:51.69 SB
42 7 3 1590 Ryan SÁNCHEZ PURPUR 1:54.46
43 8 1 1418 Min Min Zaw MYAMYA 1:56.85 SB
44 8 3 1742 Roberto Belo Amaral Soares TLSTLS 2:02.43
6 1207 Samer Ali Saleh Al Johar JORJOR DQ
2 303 Nijel AMOS BOTBOT DNS
Legend

ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second