800 meter U20 Men - Heats, Heat:1 of 3 ; Official result since 19:47
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 2 | 1536 | KWEYEI BRIAN KIPTUM | KEN | U20 | 1:47.57 | Q | ||
| 2 | 4 | 1309 | GADISA ASHENAFI EMANA | ETH | U20 | 1:47.89 | Q | ||
| 3 | 1 | 1163 | MOKGETHI LETLHOGONOLO | BOT | U20 | 1:48.30 | q | ||
| 4 | 6 | 1572 | CHENITEF HEITHEM | ALG | U20 | 1:48.54 | q | ||
| 5 | 3 | 1454 | MAULUKA MARTIN | ZAM | U20 | 1:49.76 | |||
| 6 | 5 | 1278 | MUKOZHO DEVINE | ZIM | U20 | 1:49.82 |