| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2021 | 
|---|---|---|---|---|---|
| 1 | 3347 | Ilya SHKURENYOV |  ANA | 48.75 | 45.65 | 
| 2 | 3904 | Steven BASTIEN |  USA | 42.58 | 42.27 | 
| 3 | 1256 | Vitaliy ZHUK |  BLR | 49.08 | 44.98 | 
| 4 | 1822 | Johannes ERM |  EST | 49.39 | |
| 5 | 3979 | Zachery ZIEMEK |  USA | 50.90 | 45.83 | 
| 6 | 2164 | Kai KAZMIREK |  GER | 45.83 | 44.92 | 
| 7 | 2163 | Niklas KAUL |  GER | 49.20 | 45.12 | 
| 8 | 1812 | Jorge UREÑA |  ESP | 40.48 | 40.48 | 
| 9 | 1082 | Cedric DUBLER |  AUS | 46.01 | 44.47 | 
| 10 | 1320 | Felipe DOS SANTOS |  BRA | 43.67 | 43.67 | 
| 11 | 1092 | Ashley MOLONEY |  AUS | 45.11 | 45.11 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2021 | 
|---|---|---|---|---|---|
| 1 | 1827 | Karel TILGA |  EST | 48.79 | 48.28 | 
| 2 | 1633 | Adam Sebastian HELCELET |  CZE | 50.00 | 48.03 | 
| 3 | 1640 | Jiří SÝKORA |  CZE | 52.92 | 49.96 | 
| 4 | 2237 | Lindon VICTOR |  GRN | 55.87 | 55.34 | 
| 5 | 3210 | Paweł WIESIOŁEK |  POL | 50.30 | 47.63 | 
| 6 | 1440 | Damian WARNER |  CAN | 50.26 | 48.74 | 
| 7 | 3966 | Garrett SCANTLING |  USA | 48.17 | 48.17 | 
| 8 | 1828 | Maicel UIBO |  EST | 49.14 | 47.55 | 
| 9 | 1431 | Pierce LEPAGE |  CAN | 50.28 | 50.28 | 
| 10 | 1966 | Kevin MAYER |  FRA | 52.38 | 48.18 | 
| 11 | 3084 | Martin ROE |  NOR | 49.19 | 46.86 |