The men's 400 metres hurdles at the 2017 World Championships in Athletics was held at the London Olympic Stadium on .Start list

Summary Karsten Warholm led the final from start to finish. At the final hurdle, Abderrahman Samba, in second place and seemingly gaining on Warholm, stumbled and struggled to maintain his balance, dropping to seventh. From the last hurdle to the finish line Warholm increased his speed again, winning by a comfortable margin, while Yasmani Copello overtook Kerron Clement on the final run in to gain silver.

Records Before the competition records were as follows:

Record Athlete Date LocationWorld46.78Kevin Young6 Aug 1992Barcelona, SpainChampionship47.18Kevin Young19 Aug 1993Stuttgart, GermanyWorld leading47.80Kyron McMasterKingston, JamaicaAfrican47.10Samuel Matete7 Aug 1991Zürich, SwitzerlandAsian47.53Hadi Soua'an Al-Somaily27 Sep 2000Sydney, AustraliaNACAC46.78Kevin Young6 Aug 1992Barcelona, SpainSouth American47.84Bayano Kamani7 Aug 2005Helsinki, FinlandEuropean47.37Stéphane Diagana5 Jul 1995Lausanne, SwitzerlandOceanian48.28Rohan Robinson31 Jul 1996Atlanta, United States

The following records were set at the competition:

Record Athlete Date Argentine49.69Guillermo Ruggeri6 Aug 2017

Qualification standard The standard to qualify automatically for entry was 49.35.

Schedule The event schedule, in local time (UTC+1), is as follows: Date Time Round6 August 11:05 Heats7 August 20:20 Semifinals9 August 21:33 Final

Results

Heats The first round took place on 6 August in five heats as follows:

Heat 1 2 3 4 5 Start time 11:05 11:13 11:22 11:31 11:41 Photo finishlinklinklinklinklink

The first four in each heat ( Q ) and the next four fastest ( q ) qualified for the semifinals. The overall results were as follows:

Rank Heat Lane Name Nationality Time Notes 1 3 8 Yasmani Copello 49.13 2 4 9 Juander Santos 49.19 3 5 2 Mamadou Kassé Hanne 49.34 4 2 4 TJ Holmes 49.35 5 3 9 Abderrahman Samba 49.39 6 5 7 Márcio Teles 49.41 7 5 4 Patryk Dobek 49.42 8 1 5 Kerron Clement 49.46 9 3 4 Ludvy Vaillant 49.49 10 4 4 Karsten Warholm 49.50 11 5 5 Aron Koech 49.55 12 5 3 Jack Green 49.55 13 5 8 Eric Futch 49.57 14 1 3 Takatoshi Abe 49.65 15 4 3 Guillermo Ruggeri 49.69 , 16 2 9 Jaheel Hyde 49.72 17 2 5 Abdelmalik Lahoulou 49.78 18 2 6 Thomas Barr 49.79 19 3 2 José Reynaldo Bencosme de Leon 49.79 20 1 6 Jaak-Heinrich Jagor 49.81 21 4 7 Ricardo Cunningham 49.91 22 1 8 Kemar Mowatt 50.00 23 4 5 Victor Coroller 50.00 24 3 7 Kariem Hussein 50.12 25 1 4 Hederson Estefani 50.22 26 3 5 Jordin Andrade 50.32 27 1 2 Javier Culson 50.33 28 2 3 Yusuke Ishida 50.35 29 2 2 Lorenzo Vergani 50.37 30 5 9 Sergio Fernández 50.38 31 4 6 Ryo Kajiki 51.36 32 3 6 Creve Armando Machava 51.71 33 1 7 José Luis Gaspar 51.82 34 5 6 Mehboob Ali 52.24 35 2 7 Ephraim Lerkin 52.36 36 1 9 Pablo Andrés Ibáñez 52.72 4 2 Michael Stigler 2 8 Kyron McMaster 4 8 Eric Cray 3 3 Rasmus Mägi

Semifinals The semifinals took place on 7 August in three heats as follows:

Heat 1 2 3 Start time 20:20 20:30 20:40 Photo finishlinklinklink

The first two in each heat ( Q ) and the next two fastest ( q ) qualified for the final. The overall results were as follows:

Rank Heat Lane Name Nationality Time Notes 1 1 7 Kerron Clement 48.35 2 1 5 Karsten Warholm 48.43 3 1 4 Juander Santos 48.59 , 4 1 3 Kemar Mowatt 48.66 5 3 6 Abderrahman Samba 48.75 6 3 4 Yasmani Copello 48.91 7 2 6 TJ Holmes 49.12 8 2 2 Kariem Hussein 49.13 9 3 2 Eric Futch 49.30 10 1 8 Abdelmalik Lahoulou 49.33 11 1 6 Patryk Dobek 49.40 12 2 7 Jaheel Hyde 49.75 13 2 3 Jack Green 49.93 14 2 4 Takatoshi Abe 49.93 15 3 5 Ludvy Vaillant 49.95 16 3 8 José Reynaldo Bencosme de Leon 50.29 17 2 5 Mamadou Kassé Hanne 50.35 18 2 9 Aron Kipchumba Koech 50.40 19 2 8 Jaak-Heinrich Jagor 50.43 20 3 3 Ricardo Cunningham 50.54 21 1 2 Victor Coroller 55.69 3 7 Márcio Teles 3 9 Guillermo Ruggeri 1 9 Thomas Barr

Final The final took place on 9 August at 20:34. The results were as follows (photo finish):

Rank Lane Name Nationality Time Notes 5 Karsten Warholm 48.35 8 Yasmani Copello 48.49 4 Kerron Clement 48.52 4 3 Kemar Mowatt 48.99 5 7 TJ Holmes 49.00 6 2 Juander Santos 49.04 7 6 Abderrahman Samba 49.74 8 9 Kariem Hussein 50.07

References