(courtesy Mark Butler)

Heat 1
1    3:00.38    TRI    Lalonde Gordon 44.2, Jarrin Solomon 45.5, Ade Alleyne-Forte 46.12, Deon Lendore 44.49

2    3:00.38    GBR    Nigel Levine 45.8, Conrad Williams 45.4, Jack Green 44.42, Martyn Rooney 44.84

3    3:00.55    CUB    William Collazo 46.6, Raidel Acea 43.9, Orestes Rodríguez 45.19, Omar Cisneros 44.89

4    3:01.70    BEL    Nils Duerinck 47.2, Jonathan Borlée 44.2, Antoine Gillet 46.10, Kevin Borlée 44.24

5    3:02.86    POL    Piotr Wiaderek 46.1, Marcin Marciniszyn 45.5, Michal Pietrzak 45.19, Kacper Kozlowski 46.13

6    3:03.50    GER    Jonas Plass 46.6, Kamghe Gaba 45.6, Eric Krüger 45.47, Thomas Schneider 45.92

dnf            RSA    Shaun de Jager 46.7 (estimate), Ofentse Mogawane dnf (Oscar Pistorius & Willem de Beer

dq    3:21.01    KEN    Boniface Mweresa 45.9 (estimate), Vincent Mumo 59.2 (estimate) (fell), Boniface Tumuti 47.79, Alfas Kishoyan 48.01


Heat 2
1    2:58.87    BAH    Ramon Miller 45.4, Demetrius Pinder 44.2, Michael Mathieu 44.78, Chris Brown 44.58

2    2:58.87    USA    Manteo Mitchell 45.9, Joshua Mance 45.0, Tony McQuay 43.65, Bryshon Nellum 44.37

3    3:02.01    RUS    Maksim Dyldin 45.9, Denis Alekseyev 45.6, Vladimir Krasnov 45.38, Pavel Trenikhin 45.17

4    3:02.62    VEN    Arturo Ramirez 45.4, Alberto Aguilar 46.2, Albert Bravo 45.59, José Meléndez 45.46

5    3:03.17    AUS    Steven Solomon 45.4, Ben Offereins 46.7, Brendan Cole 45.48, John Steffensen 45.67

6    3:03.86    JPN    Kei Takase 46.5, Yuzo Kanemaru 45.1, Yoshihiro Azuma 46.54, Hiroyuki Nakano 45.73

dnf            JAM    Dane Hyatt 46.1 (estimate) Riker Hylton 45.1 (estimate), Jermaine Gonzales dnf, Errol Nolan   

dq    3:02.35    DOM    Gustavo Cuesta 46.4 (estimate), Felix Sanchez 44.8 (estimate), Joel Mejia 46.88, Luguelin Santos 44.19