| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2024 | 
|---|---|---|---|---|---|
| 2 | AUS | Australia U20 | 
                             
                            AUS
                         | 
                            39.12 | |
| 3 | TTO | Trinidad and Tobago U20 | 
                             
                            TTO
                         | 
                            39.17 | |
| 4 | GBR | Great Britain & NI U20 | 
                             
                            GBR
                         | 
                            39.05 | |
| 5 | HKG | Hong Kong, China U20 | 
                             
                            HKG
                         | 
                            39.67 | |
| 6 | KOR | Korea U20 | 
                             
                            KOR
                         | 
                            39.71 | |
| 7 | JAM | Jamaica U20 | 
                             
                            JAM
                         | 
                            38.61 | |
| 8 | THA | Thailand U20 | 
                             
                            THA
                         | 
                            39.56 | |
| 9 | FRA | France U20 | 
                             
                            FRA
                         | 
                            39.33 |