First 2 in each heat (Q) and the next 2 fastest (q)

POS Rank Heat BIB ATHLETE COUNTRY RESULTS
1 1 3 664 David Rudisha KENKEN 1:44.20 Q
2 1 1 364 Mohammed Aman ETHETH 1:44.57 Q PB
3 2 1 837 Marcin Lewandowski POLPOL 1:44.60 Q SB
4 3 1 962 Abubaker Kaki SUDSUD 1:44.62 q
5 2 3 834 Adam Kszczot POLPOL 1:44.81 Q
6 4 1 667 Alfred Kirwa Yego KENKEN 1:44.82 q
7 3 3 196 Kleberson Davide BRABRA 1:45.06
8 5 1 1116 Khadevis Robinson USAUSA 1:45.27
9 6 1 298 Andreas Bube DENDEN 1:45.48 PB
10 2 2 905 Yuriy Borzakovskiy RUSRUS 1:45.73 Q
11 1 2 1125 Nick Symmonds USAUSA 1:45.73 Q
12 3 2 654 Jackson Mumbwa Kivuva KENKEN 1:45.97
13 4 2 452 Andrew Osagie GBRGBR 1:46.12
14 7 1 549 Sajad Moradi IRIIRI 1:46.17 SB
15 4 3 267 Rafith Rodríguez COLCOL 1:46.41
16 5 2 535 Tamás Kazi HUNHUN 1:46.53
17 6 2 786 Bram Som NEDNED 1:46.69
18 5 3 105 Mahfoud Brahimi ALGALG 1:46.79
19 7 2 338 Kevin López ESPESP 1:46.86
20 8 2 1144 Prince Mumba ZAMZAM 1:47.06
21 6 3 340 Luis Alberto Marco ESPESP 1:47.45
22 7 3 768 Moussa Camara MLIMLI 1:48.15
23 8 1 348 Antonio Manuel Reina ESPESP 1:48.45
3 716 Mohammad Al-Azemi KUWKUW DNF