800 meter Men Semi Final, Heat:1 of 2 ; Official result since 16:46
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 10 | MOULA Slimane | ALG | Senior | 1:46.22 | Q | ||
| 2 | 1 | 257 | KIPLAGAT Nicholas | 1.47.22 | KEN | Senior | 1:46.51 | Q | |
| 3 | 3 | 1 | ABDENNOUZ Ramzi | 1.45.52 | ALG | Senior | 1:46.67 | Q | |
| 4 | 8 | 47 | MASALELA Tshepiso | 1.46.40 | BOT | Senior | 1:46.80 | q | |
| 5 | 5 | 654 | RIADHI Chimimmi | TUN | Senior | 1:47.36 | q | ||
| 6 | 4 | 492 | IDOW HASSAN Ali | SOM | Senior | 1:49.24 | |||
| 7 | 7 | 520 | NCAMANE Jabulane | 1.46.32 | RSA | Senior | 1:49.72 | ||
| 8 | 2 | 209 | WELDEGEBREL Efrem Mekonnen | 1.47.15 | ETH | Senior | 1:49.81 |