| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 488 | Nils Schumann |  GER | 1:45.69 Q | 
| 2 | 954 | Hezekiél Sepeng |  RSA | 1:45.93 Q | 
| 3 | 74 | Arthémon Hatungimana |  BDI | 1:45.97 q | 
| 4 | 892 | Grzegorz Krzosek |  POL | 1:47.17 | 
| 5 | 1192 | Derrick Peterson |  USA | 1:48.56 | 
| 6 | 140 | Mohamed S. Naji Haidara |  BRN | 1:49.09 | 
| 7 | 803 | Vanco Stojanov |  MKD | 1:49.54 SB | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 53.43 |  Arthémon HATUNGIMANA |  BDI | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 673 | Wilfred Bungei |  KEN | 1:44.73 Q | 
| 2 | 885 | Pawel Czapiewski |  POL | 1:45.57 Q | 
| 3 | 833 | Bram SOM |  NED | 1:45.60 q | 
| 4 | 555 | Daniel Caulfield |  IRL | 1:47.23 | 
| 5 | 355 | Wilson Kirwa |  FIN | 1:47.65 | 
| 6 | 971 | Boris Kaveshnikov |  RUS | 1:47.65 | 
| 7 | 850 | Saïdou Mahamadou |  NIG | 1:57.47 | 
| 194 | Douzi Nguerdjeoubel |  CHA | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 51.98 |  Wilfred BUNGEI |  KEN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 1039 | André Bucher |  SUI | 1:45.49 Q | 
| 2 | 772 | Khalid Tighazouine |  MAR | 1:45.63 Q SB | 
| 3 | 948 | Mbulaeni Mulaudzi |  RSA | 1:46.05 q | 
| 4 | 918 | João Pires |  POR | 1:47.34 | 
| 5 | 1196 | Khadevis Robinson |  USA | 1:49.42 | 
| 6 | 345 | Isireli Naikelekelevesi |  FIJ | 1:50.74 | 
| 7 | 876 | John Lozada |  PHI | 1:59.63 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 51.26 |  André BUCHER |  SUI | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 689 | William Yiampoy |  KEN | 1:48.02 Q | 
| 2 | 1180 | David Krummenacker |  USA | 1:48.15 Q | 
| 3 | 316 | Antonio Manuel Reina |  ESP | 1:48.26 | 
| 4 | 85 | Joeri Jansen |  BEL | 1:48.42 | 
| 5 | 159 | Nathan Brannen |  CAN | 1:48.60 | 
| 6 | 116 | Otukile Lekote |  BOT | 1:49.40 | 
| 7 | 498 | Liam Byrne |  GIB | 1:55.98 SB | 
| 8 | 780 | Naseer Ismail |  MDV | 2:00.19 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 55.02 |  Otukile LEKOTE |  BOT | 
| POS | BIB | ATHLETE | COUNTRY | MARK | 
|---|---|---|---|---|
| 1 | 75 | Jean-Patrick Nduwimana |  BDI | 1:45.13 Q | 
| 2 | 122 | Glody Dube |  BOT | 1:45.39 Q | 
| 3 | 10 | Adem Hecini |  ALG | 1:45.56 q SB | 
| 4 | 687 | Nicholas Wachira |  KEN | 1:45.97 q | 
| 5 | 624 | Marvin Watts |  JAM | 1:46.43 q PB | 
| 6 | 88 | Tom Omey |  BEL | 1:48.37 | 
| 7 | 1246 | Prince Mumba |  ZAM | 1:49.49 SB | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 400 m | 51.16 |  Jean-Patrick NDUWIMANA |  BDI |