| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2022 | 
|---|---|---|---|---|---|
| 1 | 2417 | Khallifah ROSSER |  USA | 47.65 | 47.65 | 
| 2 | 1785 | Rasmus MÄGI |  EST | 47.82 | 47.82 | 
| 3 | 2357 | Rai BENJAMIN |  USA | 46.17 | 47.04 | 
| 4 | 2197 | Karsten WARHOLM |  NOR | 45.94 | 48.00 | 
| 5 | 1832 | Wilfried HAPPIO |  FRA | 48.14 | 48.14 | 
| 6 | 1611 | Alison DOS SANTOS |  BRA | 46.72 | 46.80 | 
| 7 | 2029 | Jaheel HYDE |  JAM | 48.18 | 48.51 | 
| 8 | 2353 | Trevor BASSITT |  USA | 47.47 | 47.47 |