400m Men 18 Heats, Heat:1 of 4 ; Official result since 16:47
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 1885 | Roba Gitu | Terunsh Dibaba | 48.97 | Q | |||
| 2 | 3 | 1510 | CHOCAFI KADU | Oromia prison Komision | 49.09 | Q | |||
| 3 | 1 | 1215 | ZERFU ZEMACH | Sidama Buna | 49.65 | Q | |||
| 4 | 4 | 1647 | Reshid Usmen | Derartu Tule | 50.44 | q | |||
| 5 | 5 | 1501 | segni Birahanu Feda | Oromiya Polic | 50.86 | ||||
| 6 | 8 | 1121 | Ashebir Kumsa | Oromiya Region | 54.34 | ||||
| 7 | 2 | 1625 | DEBKUL CHAKOLA | AFRAN QALLO | 56.88 | ||||
| 8 | 7 | 1830 | Mucad Hassan Ibrahin | Somalia Region | 1:08.68 |
