| Track and Field - Men's 400m Hurdles Results |
| August 16 - Semifinal |
| 1 |
 |
Angelo Taylor, United States |
47.94 |
| 2 |
 |
Bershawn Jackson, United States |
48.02 |
| 3 |
 |
Kerron Clement, United States |
48.27 |
| 4 |
 |
Danny McFarlane, Jamaica |
48.33 |
| 5 |
 |
Markino Buckley, Jamaica |
48.50 |
| 6 |
 |
Lj van Zyl, South Africa |
48.57 |
| 7 |
 |
Periklis Iakovakis, Greece |
48.69 |
| 8 |
 |
Marek Plawgo, Poland |
48.75 |
| 9 |
 |
Isa Phillips, Jamaica |
48.85 |
| 10 |
 |
Alwyn Myburgh, South Africa |
49.16 |
| 11 |
 |
Alexander Derevyagin, Russia |
49.23 |
| 12 |
 |
Pieter de Villiers, South Africa |
49.44 |
| 13 |
 |
Jonathan Williams, Belize |
49.64 |
| 14 |
 |
Javier Culson Perez, Puerto Rico |
49.85 |
| 15 |
 |
Mahau Suguimati, Brazil |
50.16 |
| 16 |
 |
Bayano Ali Kamani Redman, Panama |
50.48 |
| August 16 - Semifinal - Heat: 1 |
| 1 |
 |
Angelo Taylor, United States |
47.94 |
| 2 |
 |
Bershawn Jackson, United States |
48.02 |
| 3 |
 |
Lj van Zyl, South Africa |
48.57 |
| 4 |
 |
Marek Plawgo, Poland |
48.75 |
| 5 |
 |
Isa Phillips, Jamaica |
48.85 |
| 6 |
 |
Alexander Derevyagin, Russia |
49.23 |
| 7 |
 |
Pieter de Villiers, South Africa |
49.44 |
| 8 |
 |
Javier Culson Perez, Puerto Rico |
49.85 |
| August 16 - Semifinal - Heat: 2 |
| 1 |
 |
Kerron Clement, United States |
48.27 |
| 2 |
 |
Danny McFarlane, Jamaica |
48.33 |
| 3 |
 |
Markino Buckley, Jamaica |
48.50 |
| 4 |
 |
Periklis Iakovakis, Greece |
48.69 |
| 5 |
 |
Alwyn Myburgh, South Africa |
49.16 |
| 6 |
 |
Jonathan Williams, Belize |
49.64 |
| 7 |
 |
Mahau Suguimati, Brazil |
50.16 |
| 8 |
 |
Bayano Ali Kamani Redman, Panama |
50.48 |
| August 15 - Round 1 |
| 1 |
 |
Markino Buckley, Jamaica |
48.65 |
| 2 |
 |
Angelo Taylor, United States |
48.67 |
| 3 |
 |
Danny McFarlane, Jamaica |
48.86 |
| 3 |
 |
Lj van Zyl, South Africa |
48.86 |
| 5 |
 |
Alwyn Myburgh, South Africa |
48.92 |
| 6 |
 |
Bayano Ali Kamani Redman, Panama |
49.05 |
| 7 |
 |
Marek Plawgo, Poland |
49.17 |
| 8 |
 |
Alexander Derevyagin, Russia |
49.19 |
| 9 |
 |
Bershawn Jackson, United States |
49.20 |
| 10 |
 |
Pieter de Villiers, South Africa |
49.24 |
| 11 |
 |
Kerron Clement, United States |
49.42 |
| 12 |
 |
Mahau Suguimati, Brazil |
49.45 |
| 13 |
 |
Periklis Iakovakis, Greece |
49.50 |
| 14 |
 |
Isa Phillips, Jamaica |
49.55 |
| 15 |
 |
Javier Culson Perez, Puerto Rico |
49.60 |
| 16 |
 |
Jonathan Williams, Belize |
49.61 |
| 17 |
 |
Kenji Narisako, Japan |
49.63 |
| 18 |
 |
Meng Yan, China |
49.73 |
| 19 |
 |
Dai Tamesue, Japan |
49.82 |
| 20 |
 |
Edivaldo Monteiro, Portugal |
49.89 |
| 21 |
 |
Ibrahima Abdoulaye Maiga, Mali |
50.57 |
| 22 |
 |
Felix Sanchez, Dominican Republic |
51.10 |
| 23 |
 |
Aleksey Pogorelov, Kyrgyzstan |
51.47 |
| 23 |
 |
Mowen Boino, Papau New Guinea |
51.47 |
| 25 |
 |
Harouna Garba, Niger |
55.14 |
| N/A |
 |
Yevgeniy Meleshenko, Kazakhstan |
DNF |
| August 15 - Round 1 - Heat: 1 |
| 1 |
 |
Bershawn Jackson, United States |
49.20 |
| 2 |
 |
Pieter de Villiers, South Africa |
49.24 |
| 3 |
 |
Mahau Suguimati, Brazil |
49.45 |
| 4 |
 |
Jonathan Williams, Belize |
49.61 |
| 5 |
 |
Kenji Narisako, Japan |
49.63 |
| 6 |
 |
Edivaldo Monteiro, Portugal |
49.89 |
| 7 |
 |
Harouna Garba, Niger |
55.14 |
| August 15 - Round 1 - Heat: 2 |
| 1 |
 |
Angelo Taylor, United States |
48.67 |
| 2 |
 |
Danny McFarlane, Jamaica |
48.86 |
| 3 |
 |
Alwyn Myburgh, South Africa |
48.92 |
| 4 |
 |
Bayano Ali Kamani Redman, Panama |
49.05 |
| 5 |
 |
Alexander Derevyagin, Russia |
49.19 |
| 6 |
 |
Ibrahima Abdoulaye Maiga, Mali |
50.57 |
| August 15 - Round 1 - Heat: 3 |
| 1 |
 |
Markino Buckley, Jamaica |
48.65 |
| 2 |
 |
Lj van Zyl, South Africa |
48.86 |
| 3 |
 |
Marek Plawgo, Poland |
49.17 |
| 4 |
 |
Javier Culson Perez, Puerto Rico |
49.60 |
| 5 |
 |
Meng Yan, China |
49.73 |
| 6 |
 |
Aleksey Pogorelov, Kyrgyzstan |
51.47 |
| August 15 - Round 1 - Heat: 4 |
| 1 |
 |
Kerron Clement, United States |
49.42 |
| 2 |
 |
Periklis Iakovakis, Greece |
49.50 |
| 3 |
 |
Isa Phillips, Jamaica |
49.55 |
| 4 |
 |
Dai Tamesue, Japan |
49.82 |
| 5 |
 |
Felix Sanchez, Dominican Republic |
51.10 |
| 6 |
 |
Mowen Boino, Papau New Guinea |
51.47 |
| N/A |
 |
Yevgeniy Meleshenko, Kazakhstan |
DNF |