| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 4 | 453 | Isaiah HARRIS | 
 USA                 | 
                1:47.00 Q | 
| 2 | 2 | 4 | 182 | Álvaro DE ARRIBA | 
 ESP                 | 
                1:47.97 Q | 
| 3 | 3 | 4 | 335 | Samuel CHAPPLE | 
 NED                 | 
                1:48.09 | 
| 4 | 1 | 2 | 152 | Marco AROP | 
 CAN                 | 
                1:48.13 Q | 
| 5 | 4 | 4 | 303 | Collins KIPRUTO | 
 KEN                 | 
                1:48.18 | 
| 6 | 2 | 2 | 425 | Andreas KRAMER | 
 SWE                 | 
                1:48.25 Q | 
| 7 | 1 | 1 | 302 | Noah KIBET | 
 KEN                 | 
                1:48.31 Q | 
| 8 | 1 | 3 | 185 | Mariano GARCÍA | 
 ESP                 | 
                1:48.32 Q | 
| 9 | 2 | 3 | 125 | Eliott CRESTAN | 
 BEL                 | 
                1:48.53 Q | 
| 10 | 3 | 2 | 320 | Mostafa SMAILI | 
 MAR                 | 
                1:48.57 | 
| 11 | 5 | 4 | 239 | Marc REUTHER | 
 GER                 | 
                1:48.63 | 
| 12 | 2 | 1 | 455 | Bryce HOPPEL | 
 USA                 | 
                1:48.77 Q | 
| 13 | 6 | 4 | 109 | Charlie HUNTER | 
 AUS                 | 
                1:49.07 | 
| 14 | 3 | 1 | 220 | Guy LEARMONTH | 
 GBR                 | 
                1:49.13 | 
| 15 | 3 | 3 | 100 | Djamel SEDJATI | 
 ALG                 | 
                1:49.22 | 
| 16 | 4 | 1 | 170 | Filip ŠNEJDR | 
 CZE                 | 
                1:49.29 | 
| 17 | 4 | 2 | 258 | Balázs VINDICS | 
 HUN                 | 
                1:49.52 | 
| 18 | 5 | 1 | 132 | Aurele VANDEPUTTE | 
 BEL                 | 
                1:49.59 | 
| 19 | 4 | 3 | 340 | Tony VAN DIEPEN | 
 NED                 | 
                1:49.80 | 
| 20 | 5 | 3 | 244 | Alex AMANKWA | 
 GHA                 | 
                1:49.96 | 
| 21 | 6 | 3 | 214 | Charlie DA'VALL GRICE | 
 GBR                 | 
                1:50.17 SB | 
| 22 | 5 | 2 | 265 | Mark ENGLISH | 
 IRL                 | 
                1:51.35 | 
| 23 | 6 | 1 | 253 | Quamel PRINCE | 
 GUY                 | 
                1:55.85 | 
| 2 | 215 | Elliot GILES | 
 GBR                 | 
                DNS |