| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 482 | Florent Lacasse |  FRA | 1:47.21 Q | 
| 2 | 811 | Justus Koech |  KEN | 1:47.39 Q | 
| 3 | 534 | Ricky Soos |  GBR | 1:47.80 | 
| 4 | 1160 | Dmitriy Bogdanov |  RUS | 1:48.36 | 
| 5 | 93 | Jean-Patrick Nduwimana |  BDI | 1:48.40 | 
| 6 | 891 | Mindaugas Norbutas |  LTU | 1:48.44 | 
| 7 | 1300 | Badwan Jaddoueh |  SYR | 1:48.89 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 54.21 |  Justus KOECH |  KEN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 422 | Berhanu Alemu |  ETH | 1:45.63 Q SB | 
| 2 | 571 | René Herms |  GER | 1:45.71 Q | 
| 3 | 168 | Osmar dos Santos |  BRA | 1:45.72 q | 
| 4 | 1410 | David Krummenacker |  USA | 1:45.84 q | 
| 5 | 822 | Nicholas Wachira |  KEN | 1:45.86 q | 
| 6 | 1105 | João Pires |  POR | 1:46.66 q | 
| 7 | 182 | Jimmy Anak Ahar |  BRU | 1:57.86 SB | 
| 8 | 594 | Dominic Carroll |  GIB | 2:00.53 SB | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 51.24 |  Osmar DOS SANTOS |  BRA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 1146 | Mbulaeni Mulaudzi |  RSA | 1:47.62 Q | 
| 2 | 657 | Ehsan Mohajershojaei |  IRI | 1:47.80 Q | 
| 3 | 1426 | Khadevis Robinson |  USA | 1:47.85 q | 
| 4 | 213 | Achraf Tadili |  CAN | 1:47.88 | 
| 5 | 992 | Arnoud Okken |  NED | 1:48.15 | 
| 6 | 110 | Tom Omey |  BEL | 1:48.93 | 
| 904 | Mouhssin Chehibi |  MAR | DQ | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 54.60 |  Tom OMEY |  BEL | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 801 | Japheth Kimutai |  KEN | 1:47.54 Q | 
| 2 | 59 | Kris McCarthy |  AUS | 1:47.61 Q | 
| 3 | 1217 | Abdoulaye Wagne |  SEN | 1:47.64 | 
| 4 | 398 | Manuel OLMEDO |  ESP | 1:47.98 | 
| 5 | 119 | Jasmin Salihovic |  BIH | 1:48.10 NR | 
| 6 | 1139 | Graham Davidson |  RSA | 1:48.16 | 
| 7 | 157 | Otukile Lekote |  BOT | 1:48.33 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 51.01 |  Manuel OLMEDO |  ESP | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 918 | Khalid Tighazouine |  MAR | 1:46.01 Q | 
| 2 | 996 | Bram SOM |  NED | 1:46.11 Q | 
| 3 | 402 | Antonio Manuel Reina |  ESP | 1:46.45 q | 
| 4 | 155 | Glody Dube |  BOT | 1:46.68 q | 
| 5 | 92 | Arthémon Hatungimana |  BDI | 1:47.74 | 
| 1243 | Fred Thegu |  SOL | DQ | |
| 1381 | Samuel Burley |  USA | DQ | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 53.27 |  Antonio Manuel REINA |  ESP | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 1265 | André Bucher |  SUI | 1:48.61 Q | 
| 2 | 342 | Wilson Kipketer |  DEN | 1:48.68 Q | 
| 3 | 212 | Gary Reed |  CAN | 1:48.69 | 
| 4 | 1114 | Adam Abdu Adam Ali |  QAT | 1:48.87 | 
| 5 | 445 | Wilson Kirwa |  FIN | 1:49.74 | 
| 6 | 1072 | Abdel Salam Salem Al Dabaije |  PLE | 1:51.68 SB | 
| 7 | 930 | Mohamed Amir |  MDV | 2:06.25 PB | 
| 1352 | Ivan Heshko |  UKR | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 55.24 |  Wilson KIRWA |  FIN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 717 | Andrea Longo |  ITA | 1:46.26 Q | 
| 2 | 1162 | Yuriy Borzakovskiy |  RUS | 1:46.44 Q | 
| 3 | 106 | Joeri Jansen |  BEL | 1:46.68 q | 
| 4 | 916 | Amine Laalou |  MAR | 1:46.75 | 
| 5 | 177 | Rachid Khouia |  BRN | 1:47.43 | 
| 6 | 485 | Jimmy Lomba |  FRA | 1:48.15 | 
| 7 | 894 | David Fiegen |  LUX | 1:48.80 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 52.65 |  Yuriy BORZAKOVSKIY |  RUS | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 18 | Djabir Saïd-Guerni |  ALG | 1:46.06 Q | 
| 2 | 1150 | Hezekiél Sepeng |  RSA | 1:46.09 Q | 
| 3 | 846 | Mohammed Obaid Al-Salhi |  KSA | 1:46.48 q NR | 
| 4 | 1261 | Ismail Ahmed Ismail |  SUD | 1:47.21 | 
| 5 | 1280 | Rizak Dirshe |  SWE | 1:49.23 | 
| 6 | 1023 | Mahamadou Ibrahim |  NIG | 1:55.21 | 
| 456 | Nicolas Aïssat |  FRA | DNF | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400m | 50.94 |  Ismail Ahmed ISMAIL |  SUD |