| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 1591 | Wesley VÁZQUEZ | 
                                         
                                        PUR
                                     | 
                                    1:43.96 Q | 
| 2 | 1295 | Ferguson Cheruiyot ROTICH | 
                                         
                                        KEN
                                     | 
                                    1:44.20 Q | 
| 3 | 1919 | Clayton MURPHY | 
                                         
                                        USA
                                     | 
                                    1:44.48 q | 
| 4 | 647 | Adrián BEN | 
                                         
                                        ESP
                                     | 
                                    1:44.97 q PB | 
| 5 | 828 | Elliot GILES | 
                                         
                                        GBR
                                     | 
                                    1:45.15 | 
| 6 | 1531 | Adam KSZCZOT | 
                                         
                                        POL
                                     | 
                                    1:45.22 | 
| 7 | 1765 | Abdessalem AYOUNI | 
                                         
                                        TUN
                                     | 
                                    1:45.80 | 
| 8 | 1593 | Abubaker Haydar ABDALLA | 
                                         
                                        QAT
                                     | 
                                    1:46.87 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 48.72 | 
                                             
                                            
                                                Abubaker HaydarABDALLA  | 
                                    
                                         
                                        QAT
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 1871 | Donavan BRAZIER | 
                                         
                                        USA
                                     | 
                                    1:44.87 Q | 
| 2 | 395 | Marco AROP | 
                                         
                                        CAN
                                     | 
                                    1:45.07 Q | 
| 3 | 1288 | Emmanuel Kipkurui KORIR | 
                                         
                                        KEN
                                     | 
                                    1:45.19 | 
| 4 | 1905 | Brannon KIDDER | 
                                         
                                        USA
                                     | 
                                    1:45.62 | 
| 5 | 1379 | Mostafa SMAILI | 
                                         
                                        MAR
                                     | 
                                    1:45.78 | 
| 6 | 1645 | Tshepo TSHITE | 
                                         
                                        RSA
                                     | 
                                    1:46.08 | 
| 7 | 104 | Yassine HETHAT | 
                                         
                                        ALG
                                     | 
                                    1:46.15 | 
| 8 | 851 | Jamie WEBB | 
                                         
                                        GBR
                                     | 
                                    1:48.44 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 52.17 | 
                                             
                                            
                                                MarcoAROP  | 
                                    
                                         
                                        CAN
                                     | 
                                
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 272 | Amel TUKA | 
                                         
                                        BIH
                                     | 
                                    1:45.63 Q | 
| 2 | 1896 | Bryce HOPPEL | 
                                         
                                        USA
                                     | 
                                    1:45.95 Q | 
| 3 | 651 | Álvaro DE ARRIBA | 
                                         
                                        ESP
                                     | 
                                    1:46.09 | 
| 4 | 412 | Brandon MCBRIDE | 
                                         
                                        CAN
                                     | 
                                    1:46.21 | 
| 5 | 845 | Kyle LANGFORD | 
                                         
                                        GBR
                                     | 
                                    1:46.41 | 
| 6 | 1281 | Alex Ngeno KIPNGETICH | 
                                         
                                        KEN
                                     | 
                                    1:46.61 | 
| 7 | 761 | Pierre-Ambroise BOSSE | 
                                         
                                        FRA
                                     | 
                                    1:47.60 | 
| 1376 | Oussama NABIL | 
                                         
                                        MAR
                                     | 
                                    DQ | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 53.09 | 
                                             
                                            
                                                Alex NgenoKIPNGETICH  | 
                                    
                                         
                                        KEN
                                     |