Men 800 m
Heat 1
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 8 | Florent Lacasse | FRA | 1:47.21 | Q |
| 2 | 4 | Justus Koech | KEN | 1:47.39 | Q |
| 3 | 6 | Ricky Soos | GBR | 1:47.80 | |
| 4 | 2 | Dmitriy Bogdanov | RUS | 1:48.36 | |
| 5 | 7 | Jean-Patrick Nduwimana | BDI | 1:48.40 | |
| 6 | 3 | Mindaugas Norbutas | LTU | 1:48.44 | |
| 7 | 5 | Badwan Jaddoueh | SYR | 1:48.89 |
Heat 2
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 3 | Berhanu Alemu | ETH | 1:45.63 | Q |
| 2 | 6 | René Herms | GER | 1:45.71 | Q |
| 3 | 4 | Osmar Barbosa dos Santos | BRA | 1:45.72 | q |
| 4 | 5 | David Krummenacker | USA | 1:45.84 | q |
| 5 | 1 | Nicholas Wachira | KEN | 1:45.86 | q |
| 6 | 8 | João Pires | POR | 1:46.66 | q |
| 7 | 7 | Jimmy Anak Ahar | BRU | 1:57.86 | |
| 8 | 2 | Dominic Carroll | GIB | 2:00.53 |
Heat 3
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 7 | Mbulaeni Mulaudzi | RSA | 1:47.62 | Q |
| 2 | 2 | Ehsan Mohajershojaei | IRI | 1:47.80 | Q |
| 3 | 6 | Khadevis Robinson | USA | 1:47.85 | q |
| 4 | 3 | Achraf Tadili | CAN | 1:47.88 | |
| 5 | 4 | Arnoud Okken | NED | 1:48.15 | |
| 6 | 8 | Tom Omey | BEL | 1:48.93 | |
| 5 | Mouhssin Chehibi | MAR | DQ |
Heat 4
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 5 | Japheth Kimutai | KEN | 1:47.54 | Q |
| 2 | 2 | Kris McCarthy | AUS | 1:47.61 | Q |
| 3 | 8 | Abdoulaye Wagne | SEN | 1:47.64 | |
| 4 | 7 | Manuel Olmedo | ESP | 1:47.98 | |
| 5 | 6 | Jasmin Salihovic | BIH | 1:48.10 | |
| 6 | 3 | Graham Davidson | RSA | 1:48.16 | |
| 7 | 4 | Otukile Lekote | BOT | 1:48.33 |
Heat 5
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 5 | Khalid Tighazouine | MAR | 1:46.01 | Q |
| 2 | 4 | Bram Som | NED | 1:46.11 | Q |
| 3 | 2 | Antonio Manuel Reina | ESP | 1:46.45 | q |
| 4 | 8 | Glody Dube | BOT | 1:46.68 | q |
| 5 | 3 | Arthémon Hatungimana | BDI | 1:47.74 | |
| 7 | Samuel Burley | USA | DQ | ||
| 6 | Fred Thegu | SOL | DQ |
Heat 6
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 5 | André Bucher | SUI | 1:48.61 | Q |
| 2 | 7 | Wilson Kipketer | DEN | 1:48.68 | Q |
| 3 | 8 | Gary Reed | CAN | 1:48.69 | |
| 4 | 6 | Adam Abdu Adam Ali | QAT | 1:48.87 | |
| 5 | 1 | Wilson Kirwa | FIN | 1:49.74 | |
| 6 | 3 | Abdal Salam Aldabaji | PLE | 1:51.68 | |
| 7 | 2 | Mohamed Amir | MDV | 2:06.25 | |
| 4 | Ivan Heshko | UKR | DNS |
Heat 7
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 3 | Andrea Longo | ITA | 1:46.26 | Q |
| 2 | 5 | Yuriy Borzakovskiy | RUS | 1:46.44 | Q |
| 3 | 2 | Joeri Jansen | BEL | 1:46.68 | q |
| 4 | 4 | Amine Laalou | MAR | 1:46.75 | |
| 5 | 8 | Rashid Mohamed | BRN | 1:47.43 | |
| 6 | 6 | Jimmy Lomba | FRA | 1:48.15 | |
| 7 | 7 | David Fiegen | LUX | 1:48.80 |
Heat 8
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 7 | Djabir Saïd-Guerni | ALG | 1:46.06 | Q |
| 2 | 2 | Hezekiél Sepeng | RSA | 1:46.09 | Q |
| 3 | 5 | Mohammed Al Salhi | KSA | 1:46.48 | q |
| 4 | 8 | Ismail Ahmed Ismail | SUD | 1:47.21 | |
| 5 | 6 | Rizak Dirshe | SWE | 1:49.23 | |
| 6 | 3 | Mahamadou Ibrahim | NIG | 1:55.21 | |
| 4 | Nicolas Aïssat | FRA | DNF |
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 3 | Yuriy Borzakovskiy | RUS | 1:45.31 | Q |
| 2 | 6 | Wilson Kipketer | DEN | 1:45.50 | Q |
| 3 | 5 | Justus Koech | KEN | 1:46.04 | q |
| 4 | 2 | Osmar Barbosa dos Santos | BRA | 1:46.07 | q |
| 5 | 4 | Khalid Tighazouine | MAR | 1:46.83 | |
| 6 | 1 | Mohammed Al Salhi | KSA | 1:47.25 | |
| 7 | 7 | João Pires | POR | 1:49.19 | |
| 8 | Khadevis Robinson | USA | 1:50.60 | ||
| 8 | Nicholas Wachira | KEN | DNF |
Heat 2
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 5 | Mbulaeni Mulaudzi | RSA | 1:46.31 | Q |
| 2 | 6 | Djabir Saïd-Guerni | ALG | 1:46.36 | Q |
| 3 | 4 | Berhanu Alemu | ETH | 1:46.40 | |
| 4 | 7 | Bram Som | NED | 1:46.63 | |
| 5 | 2 | André Bucher | SUI | 1:46.67 | |
| 6 | 3 | Florent Lacasse | FRA | 1:46.89 | |
| 7 | 8 | Kris McCarthy | AUS | 1:47.64 | |
| 8 | 1 | Ehsan Mohajershojaei | IRI | 1:47.71 |
Heat 3
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 5 | Andrea Longo | ITA | 1:46.26 | Q |
| 2 | 6 | Hezekiél Sepeng | RSA | 1:46.43 | Q |
| 3 | 2 | Antonio Manuel Reina | ESP | 1:46.72 | |
| 4 | 1 | Joeri Jansen | BEL | 1:46.78 | |
| 5 | 4 | René Herms | GER | 1:46.88 | |
| 6 | 8 | David Krummenacker | USA | 1:47.25 | |
| 7 | 3 | Japheth Kimutai | KEN | 1:47.53 | |
| 8 | 7 | Glody Dube | BOT | 1:48.69 |
| Pos | Lane | Athlete | NOC | Mark |
| 1 | 8 | Djabir Saïd-Guerni | ALG | 1:44.81 |
| 2 | 6 | Yuriy Borzakovskiy | RUS | 1:44.84 |
| 3 | 3 | Mbulaeni Mulaudzi | RSA | 1:44.90 |
| 4 | 5 | Wilson Kipketer | DEN | 1:45.23 |
| 5 | 4 | Andrea Longo | ITA | 1:45.43 |
| 6 | 1 | Justus Koech | KEN | 1:45.63 |
| 7 | 7 | Hezekiél Sepeng | RSA | 1:45.74 |
| 8 | 2 | Osmar Barbosa dos Santos | BRA | 1:46.28 |
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 2 | Natalya Yevdokimova | RUS | 2:01.05 | Q |
| 2 | 8 | Amina Aït Hammou | MAR | 2:01.10 | Q |
| 3 | 1 | Judit Varga | HUN | 2:01.47 | Q |
| 4 | 3 | Jennifer Toomey | USA | 2:01.75 | q |
| 5 | 5 | Heidi Jensen | DEN | 2:02.01 | q |
| 6 | 4 | Esther Desviat | ESP | 2:03.42 | |
| 7 | 7 | Charlotte Moore | GBR | 2:03.80 | |
| 8 | 6 | Marie-Lyne Joseph | DMA | 2:17.73 |
Heat 2
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 7 | Maria de Lurdes Mutola | MOZ | 2:00.81 | Q |
| 2 | 2 | Claudia Gesell | GER | 2:01.06 | Q |
| 3 | 3 | Lucia Klocová | SVK | 2:01.14 | Q |
| 4 | 8 | Joanne Fenn | GBR | 2:01.27 | q |
| 5 | 1 | Faith Macharia | KEN | 2:01.36 | q |
| 6 | 4 | Agnes Samaria | NAM | 2:01.51 | q |
| 7 | 5 | Brigita Langerholc | SLO | 2:01.55 | q |
| 8 | 8 | Noelly Mankatu Bibiche | COD | 2:07.12 | |
| 9 | 6 | Uyanga Khaynkhirvaa | MGL | 2:27.96 |
Heat 3
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 4 | Natalya Khrushcheleva | RUS | 2:03.74 | Q |
| 2 | 5 | Kelly Holmes | GBR | 2:03.75 | Q |
| 3 | 3 | Maria Cioncan | ROM | 2:03.90 | Q |
| 4 | 8 | Jearl Miles Clark | USA | 2:04.21 | |
| 5 | 1 | Abir Nakhli | TUN | 2:04.43 | |
| 6 | 2 | Adriana Muñoz | CUB | 2:04.58 | |
| 7 | 6 | Sandra Stals | BEL | 2:06.12 | |
| 8 | 7 | Adama Njie | GAM | 2:17.04 |
Heat 4
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 4 | Stephanie Graf | AUT | 2:03.39 | Q |
| 2 | 1 | Svetlana Klyuka | RUS | 2:03.68 | Q |
| 3 | 8 | Seltana Aït Hammou | MAR | 2:04.01 | Q |
| 4 | 2 | Tanya Blake | MLT | 2:04.61 | |
| 5 | 3 | Yuliya Krevsun | UKR | 2:04.93 | |
| 6 | 6 | Tatjana Borisova | KGZ | 2:05.31 | |
| 7 | 7 | Myint Myint Aye Myint Myint Aye | MYA | 2:05.41 | |
| 8 | 5 | Tatyana Roslanova | KAZ | 2:07.98 |
Heat 5
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 7 | Tina Paulino | MOZ | 2:01.06 | Q |
| 2 | 2 | Anita Brägger | SUI | 2:01.09 | Q |
| 3 | 5 | Akosua Serwaa | GHA | 2:01.17 | Q |
| 4 | 6 | Diane Cummins | CAN | 2:01.20 | q |
| 5 | 4 | Letitia Vriesde | SUR | 2:01.24 | q |
| 6 | 1 | Tamsyn Lewis | AUS | 2:01.43 | q |
| 7 | 3 | Wesam Abubkheet | PLE | 2:29.86 | |
| 8 | Jolanda Ceplak | SLO | DNS |
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 4 | Stephanie Graf | AUT | 1:59.26 | Q |
| 2 | 3 | Natalya Khrushcheleva | RUS | 1:59.39 | Q |
| 3 | 6 | Joanne Fenn | GBR | 2:00.56 | |
| 4 | 5 | Letitia Vriesde | SUR | 2:00.88 | |
| 5 | 1 | Faith Macharia | KEN | 2:01.30 | |
| 6 | 7 | Brigita Langerholc | SLO | 2:01.58 | |
| 7 | 8 | Jennifer Toomey | USA | 2:02.35 | |
| 8 | 2 | Tamsyn Lewis | AUS | 2:05.11 |
Heat 2
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 4 | Maria de Lurdes Mutola | MOZ | 1:58.45 | Q |
| 2 | 5 | Kelly Holmes | GBR | 1:58.86 | Q |
| 3 | 2 | Diane Cummins | CAN | 1:59.58 | q |
| 4 | 7 | Akosua Serwaa | GHA | 2:00.42 | q |
| 5 | 8 | Maria Cioncan | ROM | 2:00.72 | |
| 6 | 6 | Lucia Klocová | SVK | 2:00.73 | |
| 7 | 3 | Natalya Yevdokimova | RUS | 2:01.17 | |
| 8 | 1 | Heidi Jensen | DEN | 2:01.73 |
Heat 3
| Pos | Lane | Athlete | NOC | Mark | |
| 1 | 4 | Amina Aït Hammou | MAR | 2:00.57 | Q |
| 2 | 3 | Claudia Gesell | GER | 2:01.01 | Q |
| 3 | 8 | Seltana Aït Hammou | MAR | 2:01.34 | |
| 4 | 2 | Svetlana Klyuka | RUS | 2:01.61 | |
| 5 | 5 | Tina Paulino | MOZ | 2:01.85 | |
| 6 | 7 | Judit Varga | HUN | 2:02.20 | |
| 7 | 6 | Anita Brägger | SUI | 2:02.34 | |
| 8 | 1 | Agnes Samaria | NAM | 2:02.66 |
| Pos | Lane | Athlete | NOC | Mark |
| 1 | 5 | Maria de Lurdes Mutola | MOZ | 1:59.89 |
| 2 | 4 | Kelly Holmes | GBR | 2:00.18 |
| 3 | 2 | Natalya Khrushcheleva | RUS | 2:00.29 |
| 4 | 6 | Amina Aït Hammou | MAR | 2:01.09 |
| 5 | 1 | Claudia Gesell | GER | 2:01.84 |
| 6 | 7 | Diane Cummins | CAN | 2:02.48 |
| 7 | 8 | Akosua Serwaa | GHA | 2:03.24 |
| 3 | Stephanie Graf | AUT | DNS |
| SEO | [PR] !uO z[y[WJ Cu | ||
