| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 803 | Yuriy Borzakovskiy |  RUS | 1:44.26 Q | 
| 2 | 113 | Rashid Ramzi |  BRN | 1:44.30 Q PB | 
| 3 | 573 | William Yiampoy |  KEN | 1:44.51 q SB | 
| 4 | 14 | Djabir Saïd-Guerni |  ALG | 1:44.80 q SB | 
| 5 | 632 | Amine Laalou |  MAR | 1:45.05 | 
| 6 | 593 | Mohammad Al-Azemi |  KUW | 1:48.02 | 
| 7 | 219 | Eugenio Barrios |  ESP | 1:48.76 | 
| 8 | 1022 | Khadevis Robinson |  USA | 1:49.13 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 51.18 |  Khadevis ROBINSON |  USA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 111 | Belal Ali Mansoor |  BRN | 1:45.35 Q | 
| 2 | 308 | Mehdi Baala |  FRA | 1:45.40 Q | 
| 3 | 790 | Mbulaeni Mulaudzi |  RSA | 1:45.73 | 
| 4 | 719 | Pawel Czapiewski |  POL | 1:46.33 | 
| 5 | 801 | Dmitriy Bogdanov |  RUS | 1:46.83 | 
| 6 | 245 | Antonio Manuel Reina |  ESP | 1:46.89 | 
| 7 | 261 | Berhanu Alemu |  ETH | 1:47.66 | 
| 8 | 583 | Mohammed Obaid Al-Salhi |  KSA | 1:47.97 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 53.42 |  Belal Ali MANSOOR |  BRN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 137 | Gary Reed |  CAN | 1:44.33 Q NR | 
| 2 | 553 | Wilfred Bungei |  KEN | 1:44.41 Q | 
| 3 | 112 | Yusuf Saad KAMEL |  BRN | 1:44.90 | 
| 4 | 394 | René Herms |  GER | 1:45.21 | 
| 5 | 624 | Mouhssin Chehibi |  MAR | 1:45.82 | 
| 6 | 441 | Sajad Moradi |  IRI | 1:45.88 NR | 
| 7 | 362 | James McIlroy |  GBR | 1:45.91 SB | 
| 8 | 1001 | David Krummenacker |  USA | 1:46.76 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 51.94 |  Wilfred BUNGEI |  KEN |