Athletics at the 2008 Summer Olympics – Men's 800 metres Semifinal 1 Semifinal 1

| Rank_ | Lane | Athlete | Country | Time_ |
|---|---|---|---|---|
| 1 | 8 | Wilfred Bungei | Kenya | 1:46.23 |
| 2 | 5 | Yeimer López | Cuba | 1:46.40 |
| 3 | 7 | Yuriy Borzakovskiy | Russia | 1:46.53 |
| 4 | 4 | Amine Laalou | Morocco | 1:46.74 |
| 5 | 6 | Nick Symmonds | United States | 1:46.96 |
| 6 | 9 | Mohammed Al-Salhi | Saudi Arabia | 1:47.14 |
| 7 | 2 | Marcin Lewandowski | Poland | 1:47.24 |
| 8 | 3 | Mohammad Al-Azemi | Kuwait | 1:47.65 |