The men's 400 metres at the 2007 World Championships in Athletics was held at the Nagai Stadium on 28, 29 and 31 August. The winning margin was 0.51 seconds.

Medalists GoldSilverBronzeJeremy WarinerLaShawn MerrittAngelo Taylor

Records Prior to the competition, the established records were as follows. World record43.18Seville, Spain26 August 1999Championship record43.18Seville, Spain26 August 1999World Leading43.50Stockholm, Sweden7 August 2007African record44.10Stuttgart, Germany9 September 2006Asian record44.56Budapest, Hungary12 August 1988North American record43.18Seville, Spain26 August 1999South American record44.29Seville, Spain26 August 1999European record44.33Rome, Italy3 September 1987Oceanian record44.38Seoul, South Korea26 September 1988

Schedule Date Time RoundAugust 28, 2007 10:10 HeatsAugust 29, 2007 21:25 SemifinalsAugust 31, 2007 22:05 Final

Results KEY:qFastest non-qualifiersQQualifiedWRWorld recordARArea recordNRNational recordPBPersonal bestSBSeasonal best

Heats Qualification: First 3 in each heat (Q) and the next 3 fastest (q) advance to the semifinals.

Rank Heat Name Nationality Time Notes 1 Chris Brown 44.50 Q, SB 4 LaShawn Merritt 44.78 Q 1 John Steffensen 44.82 Q, SB 1 Arismendy Peguero 44.92 Q, PB 4 Johan Wissman 44.94 Q, NR 3 Alleyne Francique 44.95 Q, SB 6 Nery Brenes 45.01 Q, NR 2 Jeremy Wariner 45.10 Q 6 Angelo Taylor 45.13 Q10 7 Tyler Christopher 45.15 Q11 3 Leslie Djhone 45.17 Q12 5 Gary Kikaya 45.21 Q13 7 Ato Modibo 45.22 Q, SB14 2 Avard Moncur 45.27 Q15 5 Sanjay Ayre 45.28 Q16 6 William Collazo 45.29 Q, PB17 4 Andrae Williams 45.31 Q18 3 Ricardo Chambers 45.34 Q19 2 David Gillick 45.35 Q20 6 California Molefe 45.36 q, SB21 7 Sean Wroe 45.39 Q22 4 Young Talkmore Nyongani 45.40 q, SB23 5 Timothy Benjamin 45.44 Q23 6 Michael Blackwood 45.44 q23 1 Bastian Swillims 45.44 PB26 5 Chris Lloyd 45.46 27 2 Martyn Rooney 45.47 SB28 2 Lewis Banda 45.47 SB29 7 Daniel Dąbrowski 45.50 30 3 Andrew Steele 45.54 31 5 Vladislav Frolov 45.69 32 1 Renny Quow 45.70 33 7 Andrea Barberi 45.74 SB34 1 Marcin Marciniszyn 45.83 35 3 Rafał Wieruszewski 45.94 SB36 3 Carlos Santa 45.99 SB37 2 Brice Panel 46.02 38 3 Clemens Zeller 46.06 39 1 Dimitrios Regas 46.22 SB40 6 Yuki Yamaguchi 46.28 41 4 Eric Milazar 46.55 42 5 Ioan Vieru 46.78 43 4 Andrés Silva 46.79 44 2 Félix Martínez 46.86 45 1 Takeshi Fujiwara 46.92 NR46 7 Dimitrios Gravalos 46.94 47 5 Mathieu Gnanligo 47.51 48 6 Jonathon Lavers 47.97 NR49 6 Ivano Bucci 48.07 PB50 5 Nicolau Palanca 48.60 51 4 Dalibor Spasovski 48.63 PB52 7 Moses Kamut 48.90 53 4 Karar A.M. Al Abbody 48.95 PB54 2 Abdulla Mohamed Hussein 50.54 PB55 2 Hermán López 50.72 3 Yuzo Kanemaru DNF 6 Nagmeldin Ali Abubakr DNF 7 Lionel Larry DNF 4 Gakologelwang Masheto DNS 5 Hamdan Al-Bishi DNS

Semifinals First 2 in each semifinal (Q) and the next 2 fastest (q) advance to the final. Rank Heat Name Nationality Time Notes 3 LaShawn Merritt 44.31 Q 2 Jeremy Wariner 44.33 Q 1 Angelo Taylor 44.45 Q 3 Leslie Djhone 44.46 Q, NR 3 Tyler Christopher 44.47 q, SB 2 Chris Brown 44.50 Q 1 Johan Wissman 44.56 Q, NR 1 Avard Moncur 44.86 q, SB 3 John Steffensen 44.95 10 2 Ato Modibo 45.12 SB11 1 Nery Brenes 45.14 11 2 Gary Kikaya 45.14 13 2 Ricardo Chambers 45.18 14 1 Sean Wroe 45.25 PB15 2 David Gillick 45.37 16 3 Andrae Williams 45.40 17 1 Alleyne Francique 45.41 18 2 California Molefe 45.47 19 1 Arismendy Peguero 45.54 19 2 William Collazo 45.54 21 1 Michael Blackwood 45.60 22 3 Timothy Benjamin 46.17 23 3 Young Talkmore Nyongani 46.23 3 Sanjay Ayre DNF

Final

Rank Name Nationality Time Notes Jeremy Wariner 43.45 WL LaShawn Merritt 43.96 PB Angelo Taylor 44.32 4 Chris Brown 44.45 NR 5 Leslie Djhone 44.59 6 Tyler Christopher 44.71 7 Johan Wissman 44.72 8 Avard Moncur 45.40

References Heats Results Semifinals Results Final Results