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

First 2 of each heat (Q) plus 2 fastest times (q) qualify to Final

POS Rank Heat BIB ATHLETE COUNTRY RESULTS
1 1 2 1744 General Berhanu AYANSA ETHETH 1:47.28 Q
2 1 1 1525 Peyton CRAIG AUSAUS 1:47.31 Q
3 2 2 2162 Hatim AIT OULGHAZI QATQAT 1:47.51 Q
4 2 1 1997 Kelvin Kimutai KOECH KENKEN 1:47.53 Q
5 3 2 1615 John O'REILLY CANCAN 1:47.67 q PB
6 3 1 2357 Daniel WATCKE USAUSA 1:47.68 q
7 4 1 1780 Yanis VANLANDUYT FRAFRA 1:47.75 PB
8 1 3 1998 Phanuel Kipkosgei KOECH KENKEN 1:48.24 Q
9 2 3 1978 Ko OCHIAI JPNJPN 1:48.26 Q
10 3 3 1788 Henry JONAS GBRGBR 1:48.28
11 4 2 1909 Noam MAMU ISRISR 1:48.46
12 5 1 1611 Robin LEFEBVRE CANCAN 1:49.03
13 4 3 2333 Michael LONG USAUSA 1:49.05
14 5 3 1502 Boubaker BOUHAIN ALGALG 1:49.07
15 5 2 2179 Matthew BURNETT RSARSA 1:49.09
16 6 2 2286 Mohamed Karim AMRI TUNTUN 1:49.27
17 6 1 1590 Carlos Eduardo LARA BRABRA 1:50.32 PB
18 6 3 2153 Miguel PANTOJAS PURPUR 1:51.08
19 7 3 2060 Amado Kalid AMADOR MEXMEX 1:51.13
20 7 1 1990 Togo YOSHIZAWA JPNJPN 1:52.86
21 8 3 2046 Ayoub ELFAKHAR MARMAR 1:52.90
22 7 2 1830 Tom STÖBER GERGER 1:53.59
23 8 1 1920 Davide DE ROSA ITAITA 1:54.42
24 8 2 1795 William RABJOHNS GBRGBR 1:56.19