| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | WIND | 
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 374 | Thomas SOMERS |  GBR | 21.05 Q PB | -0.9 | 
| 2 | 2 | 1 | 638 | Divine ODUDURU |  NGR | 21.13 Q PB | -0.9 | 
| 3 | 1 | 2 | 511 | Michael O'Hara |  JAM | 21.17 Q | -2.5 | 
| 4 | 2 | 2 | 170 | Vitor Hugo dos Santos |  BRA | 21.20 Q | -2.5 | 
| 5 | 3 | 2 | 830 | Jonathan FARINHA |  TTO | 21.36 q | -2.5 | 
| 6 | 1 | 3 | 254 | Reynier MENA |  CUB | 21.38 Q | -3.0 | 
| 7 | 3 | 1 | 221 | Zhe Li |  CHN | 21.49 q PB | -0.9 | 
| 8 | 4 | 2 | 904 | Noah LYLES |  USA | 21.58 | -2.5 | 
| 9 | 2 | 3 | 223 | Youxue Mo |  CHN | 21.59 Q | -3.0 | 
| 10 | 4 | 1 | 303 | Daniel Mazón |  ESP | 21.63 | -0.9 | 
| 11 | 3 | 3 | 505 | Odane Bernard |  JAM | 21.66 PB | -3.0 | 
| 12 | 5 | 1 | 452 | Zak Irwin |  IRL | 21.76 | -0.9 | 
| 13 | 6 | 1 | 940 | Michael Songore |  ZIM | 21.81 | -0.9 | 
| 14 | 5 | 2 | 142 | Ian KERR |  BAH | 21.91 | -2.5 | 
| 15 | 7 | 1 | 328 | Aaron Powell |  FIJ | 21.96 | -0.9 | 
| 16 | 6 | 2 | 717 | Llewellyn Hein |  RSA | 21.97 | -2.5 | 
| 17 | 4 | 3 | 934 | Reuberth Boyde |  VIN | 22.02 | -3.0 | 
| 18 | 5 | 3 | 932 | Lê Trong Hinh |  VIE | 22.12 | -3.0 | 
| 19 | 7 | 2 | 933 | Reberto Boyde |  VIN | 22.16 | -2.5 | 
| 20 | 6 | 3 | 682 | Ricardo Pereira |  POR | 22.20 | -3.0 | 
| 21 | 7 | 3 | 686 | Ricardo Feliciano |  PUR | 22.25 | -3.0 | 
| 22 | 8 | 2 | 768 | Alkronus Bridgewater |  SKN | 22.60 | -2.5 | 
| 1 | 660 | Arturo Deliser |  PAN | DQ | |||
| 3 | 138 | Janeko Cartwright |  BAH | DNF |