| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 276 | Dmitriy Bogdanov |
RUS |
1:46.83 Q |
| 2 | 2 | 1 | 43 | Yusuf Saad KAMEL |
BRN |
1:46.88 Q PB |
| 3 | 1 | 2 | 274 | Mbulaeni Mulaudzi |
RSA |
1:47.39 Q SB |
| 4 | 2 | 2 | 309 | Abubaker Kaki |
SUD |
1:47.41 Q |
| 5 | 3 | 1 | 359 | Khadevis Robinson |
USA |
1:47.57 |
| 6 | 4 | 1 | 133 | Richard Hill |
GBR |
1:47.82 |
| 7 | 3 | 2 | 238 | Robert Lathouwers |
NED |
1:48.27 PB |
| 8 | 4 | 2 | 327 | Abraham Chepkirwok |
UGA |
1:48.30 |
| 9 | 1 | 3 | 364 | Nick Symmonds |
USA |
1:48.43 Q |
| 10 | 5 | 2 | 313 | Mattias Claesson |
SWE |
1:48.50 |
| 11 | 6 | 2 | 311 | Jozef Repcìk |
SVK |
1:48.61 |
| 12 | 2 | 3 | 214 | Dmitrijs Milkevics |
LAT |
1:48.80 Q |
| 13 | 5 | 1 | 94 | Manuel OLMEDO |
ESP |
1:48.90 |
| 14 | 3 | 3 | 88 | Eugenio Barrios |
ESP |
1:49.02 |
| 15 | 4 | 3 | 170 | Ehsan Mohajershojaei |
IRI |
1:49.32 |
| 16 | 5 | 3 | 299 | Abdoulaye Wagne |
SEN |
1:49.49 |
| 17 | 6 | 1 | 40 | Fabiano Peçanha |
BRA |
1:49.63 |
| 18 | 6 | 3 | 181 | Lukas Rifesser |
ITA |
1:51.20 |