| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 2045 | Taiju GOTO |
JPN |
49.19 Q |
| 2 | 1 | 1 | 2424 | Miller WARME |
USA |
49.48 Q |
| 3 | 2 | 3 | 2251 | Matodzi NDO |
RSA |
49.66 Q |
| 4 | 1 | 2 | 1714 | Michal RADA |
CZE |
49.67 Q |
| 5 | 2 | 1 | 2035 | Jahvanie K. TYRELL |
JAM |
49.98 Q PB |
| 6 | 3 | 1 | 1718 | Marek VÁŇA |
CZE |
50.22 Q |
| 7 | 3 | 3 | 2386 | Keenen DAVIS |
USA |
50.47 Q |
| 8 | 2 | 2 | 2234 | Lesibe DIKGALE |
RSA |
50.50 Q |
| 9 | 3 | 2 | 1964 | Ethan DEWHIRST |
IRL |
50.53 Q |
| 10 | 4 | 1 | 1687 | Samuel David MOSQUERA |
COL |
50.54 PB |
| 11 | 4 | 2 | 1838 | Rayhan MOURTADA |
GBR |
50.59 PB |
| 12 | 5 | 1 | 1995 | Diego MANCINI |
ITA |
50.64 PB |
| 13 | 4 | 3 | 1617 | Lucas DE ALMEIDA |
BRA |
50.88 |
| 14 | 5 | 3 | 2026 | Robert MILLER |
JAM |
50.89 |
| 15 | 6 | 1 | 1750 | Alex IBAÑEZ |
ESP |
50.95 |
| 16 | 7 | 1 | 1970 | Des O'NEILL |
IRL |
51.28 PB |
| 17 | 6 | 3 | 2101 | Naif Rashid ALSUBAIE |
KSA |
51.29 |
| 18 | 7 | 3 | 1744 | Diego ESPESO |
ESP |
51.33 |
| 19 | 8 | 3 | 1686 | Juan David ARBOLEDA |
COL |
51.43 PB |
| 20 | 8 | 1 | 1655 | Brady TSE |
CAN |
51.44 |
| 21 | 5 | 2 | 1572 | Rashad GIBSON |
BAR |
51.72 |
| 22 | 6 | 2 | 1729 | Steven Mateus MENDEZ |
ECU |
51.73 |
| 23 | 7 | 2 | 2220 | Joel REYES |
PUR |
51.76 |
| 24 | 9 | 3 | 2341 | Omari BROWN |
TTO |
52.14 |
| 25 | 9 | 1 | 2134 | Juan Francisco IBARRA |
MEX |
52.31 |
| 26 | 8 | 2 | 2044 | Ryo CHIBA |
JPN |
52.37 |
| 27 | 9 | 2 | 2121 | Adam NAMAR |
MAR |
54.08 |