| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 413 | Emmanuel WANYONYI | 
 KEN                 | 
                1:46.15 Q | 
| 2 | 1 | 2 | 398 | Noah KIBET | 
 KEN                 | 
                1:46.47 Q | 
| 3 | 2 | 2 | 203 | Jakub DAVIDÍK | 
 CZE                 | 
                1:46.59 Q NU20R | 
| 4 | 3 | 2 | 172 | Abdullahi HASSAN | 
 CAN                 | 
                1:46.89 Q | 
| 5 | 4 | 2 | 473 | Kacper LEWALSKI | 
 POL                 | 
                1:47.31 q | 
| 6 | 2 | 1 | 106 | Mohamed Ali GOUANED | 
 ALG                 | 
                1:47.35 Q | 
| 7 | 3 | 1 | 250 | Daniel WOLDE | 
 ETH                 | 
                1:47.53 Q | 
| 8 | 4 | 1 | 267 | Paul ANSELMINI | 
 FRA                 | 
                1:47.81 q PB | 
| 9 | 5 | 2 | 511 | Abednico CHOBA | 
 RSA                 | 
                1:48.23 PB | 
| 10 | 5 | 1 | 607 | Handal ROBAN | 
 VIN                 | 
                1:48.37 NU20R | 
| 11 | 6 | 2 | 374 | Chevonne HALL | 
 JAM                 | 
                1:48.50 PB | 
| 12 | 6 | 1 | 158 | Leonardo SANTOS | 
 BRA                 | 
                1:48.78 | 
| 13 | 7 | 2 | 103 | Heithem CHENITEF | 
 ALG                 | 
                1:49.57 | 
| 14 | 7 | 1 | 496 | El Hafez MAHADI | 
 QAT                 | 
                1:49.84 | 
| 15 | 8 | 1 | 608 | Abdullah Mohammed AL YAARI | 
 YEM                 | 
                1:53.24 | 
| 2 | 278 | Yanis MEZIANE | 
 FRA                 | 
                DNF |