400 metres hurdles




























Athletics
400 metres hurdles

Naisten 400 m aidat.jpg
Women's 400m hurdles.

Men's records
World
United States Kevin Young 46.78 (1992)
Olympic
United States Kevin Young 46.78 (1992)
Women's records
World
Russia Yuliya Pechonkina 52.34 (2003)
Olympic
Jamaica Melaine Walker 52.64 (2008)

The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women.


On a standard outdoor track, 400 metres is the length of the inside lane, once around the stadium. Runners stay in their lanes the entire way after starting out of the blocks and must clear ten hurdles that are evenly spaced around the track. The hurdles are positioned and weighted so that they fall forward if bumped into with sufficient force, to prevent injury to the runners. Although there is no longer any penalty for knocking hurdles over, runners prefer to clear them cleanly, as touching them during the race slows runners down.


The best male athletes can run the 400 m hurdles in a time of around 47 seconds, while the best female athletes achieve a time of around 53 seconds. The current men's and women's world record holders are Kevin Young with 46.78 seconds and Yuliya Pechonkina with 52.34 seconds. Compared to the 400 metres run, the hurdles race takes the men about three seconds longer and the women four seconds longer.


The 400 m hurdles was held for both sexes at the inaugural IAAF World Championships in Athletics. The first championship for women came at the 1980 World Championships in Athletics – being held as a one-off due to the lack of a race at the 1980 Summer Olympics.




Contents






  • 1 History


  • 2 Hurdling technique


    • 2.1 Block start


    • 2.2 Hurdling


    • 2.3 Stride length




  • 3 All-time top 25 hurdlers


    • 3.1 Men


      • 3.1.1 Notes




    • 3.2 Women


      • 3.2.1 Notes






  • 4 Milestones


  • 5 Most successful athletes


  • 6 Olympic medalists


    • 6.1 Men


    • 6.2 Women




  • 7 World Championships medalists


    • 7.1 Men


    • 7.2 Women




  • 8 Season's bests


  • 9 External links


  • 10 Notes and references





History



The first awards in a 400 m hurdles race were given in 1860 when a race was held in Oxford, England, over a course of 440 yards (402.336 m). While running the course, participants had to clear twelve wooden hurdles, over 100 centimetres tall, that had been spaced in even intervals.


To reduce the risk of injury, somewhat more lightweight constructions were introduced in 1895 that runners could push over. However, until 1935 runners were disqualified if they pushed over more than three hurdles in a race and records were only officially accepted if the runner in question had cleared all hurdles clean and left them all standing.


The 400 m hurdles became an Olympic event at the 1900 Summer Olympics in Paris, France. At the same time, the race was standardized so that virtually identical races could be held and the finish times compared to each other. As a result, the official distance was fixed to 400 metres, or one lap of the stadium, and the number of hurdles was reduced to ten. The official height of the hurdles was set to 91.4 cm (3 feet) for men and 76.20 cm (2 ft, 6 inches) for women. The hurdles were now placed on the course with a run-up to the first hurdle of 45 metres, a distance between the hurdles of 35 metres each, and a home stretch from the last hurdle to the finish line of 40 metres.


The first documented 400 m hurdles race for women took place in 1971. The International Association of Athletics Federations (IAAF) introduced the event officially as a discipline in 1974, although it was not run at the Olympics until 1984, the first Men's World Champion having been crowned the year before at the inaugural IAAF World Championships in Athletics. A special edition of the Women's 400m Hurdles happened in the 1980 IAAF World Championships in Athletics in response to the Women's 400m Hurdles not being included in the boycotted 1980 Moscow Olympics and the Liberty Bell Classic.


Many athletic commentators and officials have often brought up the idea of lifting the height of the women's 400 m hurdles to incorporate a greater requirement of hurdling skill. This is a view held by German athletic coach Norbert Stein: "All this means that the women's hurdles for specialists, who are the target group to be dealt with in this discussion, is considerably depreciated in skill demands when compared to the men's hurdles. It should not be possible in the women's hurdles that the winner is an athlete whose performance in the flat sprint is demonstrably excellent but whose technique of hurdling is only moderate and whose anthropometric characteristics are not optimal. This was the case at the World Championships in Seville and the same problem can often be seen at international and national meetings."[citation needed]



Hurdling technique


"The 400m hurdle race one of the most demanding of all events in the sprint-hurdle group." (Lindeman) It requires speed, endurance, and hurdling technique all along with unique awareness and special concentration throughout the race.



Block start


When preparing to hurdle, the blocks should be set so that the athlete arrives at the first hurdle leading on the desired leg without inserting a stutter step. A stutter step is when the runner has to chop his or her stride down to arrive on the "correct" leg for take off. Throughout the race, any adjustments to stride length stride speed should be made several strides out from the hurdle because a stutter or being too far from the hurdle at take off will result in loss of momentum and speed.



Hurdling


At the beginning of the take-off, the knee must be driven toward the hurdle and the foot then extended. The leg position when extended must be stretched out, in a position of a split. The knee should be slightly bent when crossing the hurdle. Unless an athlete's body has great flexibility, the knee must be slightly bent to allow a forward body lean. Unlike the 110m hurdles, a significant forward body lean is not that necessary due to the hurdles being lower. However, the trail leg must be kept bent and short to provide a quick lever action allowing a fast hurdle clearance. The knee should pull through under the armpit and should not be flat across the top of the hurdle.


It is also important that the hurdler doesn't reach out on the last stride before the hurdle as this will result in a longer bound being made to clear the hurdle. This will also result in a loss of momentum if the foot lands well in front of the center of gravity.



Stride length


Using a left lead leg on the bends allows the hurdler to run closer to the inside of the lane and cover a shorter distance. Additionally, if the left leg is used for the lead, then the athlete's upper body can be leaned to the left, making it easier to bring the trail leg through. Additionally, an athlete hurdling with a right leg lead around the bends must take care that they do not inadvertently trail their foot or toe around the hurdle rather than passing over the top, which would lead to a disqualification from the race. Depending on the height and strength of the athlete, men work toward a stride pattern of 13 to 15 steps between each hurdle, and women work toward a stride pattern of 15 to 17. This does not include the landing step from the previous hurdle. Weaker athletes will typically hold a longer step pattern throughout the race so that they do not bound or reach with each step, which also results in a loss of speed. These patterns are ideal because it allows the hurdler to take off from their predominant leg throughout the race without switching legs. However, fatigue from the race will knock athletes of their stride pattern and force runners to switch legs. At an early age, many coaches train their athletes to hurdle with both legs. This is a useful skill to learn since as a runner tires, their stride length may decrease, resulting in the need either to add a stutter stride, or to take a hurdle on the other leg.
The 400 metre hurdles is a very physically demanding race. It requires intense training to get the endurance, speed and technique needed to compete.



All-time top 25 hurdlers



Men


As of August 2018[1]





















































































































































































































Rank
Time
Athlete
Country
Date
Venue
Ref
1
46.78 Kevin Young
 United States
6 August 1992
Barcelona
2
46.98

Abderrahman Samba

 Qatar
30 June 2018
Paris
[2]
3
47.02
Edwin Moses
 United States
31 August 1983
Koblenz

Rai Benjamin

 Antigua and Barbuda
8 June 2018
Eugene
[3]
5
47.03 Bryan Bronson
 United States
21 June 1998
New Orleans
6
47.10 Samuel Matete
 Zambia
7 August 1991
Zürich
7
47.19 Andre Phillips
 United States
25 September 1988
Seoul
8
47.23 Amadou Dia Ba
 Senegal
25 September 1988
Seoul
9
47.24 Kerron Clement
 United States
26 June 2005
Carson, California
10
47.25
Félix Sánchez
 Dominican Republic
29 August 2003 Paris, Saint-Denis
Angelo Taylor
 United States
18 August 2008
Beijing
12
47.30 Bershawn Jackson
 United States
9 August 2005
Helsinki
13
47.37 Stéphane Diagana
 France
5 July 1995
Lausanne
14
47.38 Danny Harris
 United States
10 July 1991
Lausanne
15
47.43 James Carter
 United States
9 August 2005
Helsinki
16
47.48 Harald Schmid
 West Germany
8 September 1982
Athens
17
47.53 Hadi Soua'an Al-Somaily
 Saudi Arabia
27 September 2000
Sydney
18
47.54
Derrick Adkins
 United States
5 July 1995
Lausanne
Fabrizio Mori
 Italy
10 August 2001
Edmonton

Kyron McMaster

 British Virgin Islands
30 June 2018
Paris
[4]
21
47.60 Winthrop Graham
 Jamaica
4 August 1993
Zürich
22
47.63 Johnny Dutch
 United States
26 June 2010
Des Moines
23
47.64

Karsten Warholm

 Norway
9 August 2018
Berlin
[5]
24
47.66 A

L. J. van Zyl

 South Africa
25 February 2011

Pretoria
47.66
31 May 2011
Ostrava
25
47.67

Bennie Brazell

 United States
11 June 2005
Sacramento


Notes


Below is a list of all other times superior to 47.35:




  • Edwin Moses ran 47.13 (1980), 47.14 (1981), 47.17 (1980), 47.27 (1981), 47.32 (1984)


  • Kevin Young ran 47.18 (1993)


  • Bershawn Jackson ran 47.32 (2010)


  • Felix Sanchez ran 47.35 (2002)



Women


As of May 2018[6]






















































































































































































































Rank
Time
Athlete
Nation
Date
Place
Ref
1
52.34 Yuliya Pechonkina
 Russia
8 August 2003
Tula
2
52.42 Melaine Walker
 Jamaica
20 August 2009
Berlin
3
52.47 Lashinda Demus
 United States
1 September 2011
Daegu
4
52.61 Kim Batten
 United States
11 August 1995
Gothenburg
5
52.62 Tonja Buford-Bailey
 United States
11 August 1995 Gothenburg
6
52.64

Dalilah Muhammad

 United States
25 June 2017

Sacramento
[7]
7
52.70

Natalya Antyukh

 Russia
8 August 2012

London
[8]
8
52.74 Sally Gunnell
 Great Britain
19 August 1993
Stuttgart
9
52.75

Shamier Little

 United States
25 June 2017

Sacramento
[9]

Sydney McLaughlin

 United States
13 May 2018
Knoxville
[10]
11
52.77 Fani Halkia
 Greece
22 August 2004
Athens
12
52.79
Sandra Farmer-Patrick
 United States
19 August 1993
Stuttgart
Kaliese Spencer
 Jamaica
5 August 2011
London
14
52.82 Deon Hemmings
 Jamaica
31 July 1996
Atlanta
15
52.83 Zuzana Hejnová
 Czech Republic
15 August 2013
Moscow
16
52.89 Daimí Pernía
 Cuba
25 August 1999 Seville
17
52.90 Nezha Bidouane
 Morocco
25 August 1999
Seville
18
52.94 Marina Stepanova
 Soviet Union
17 September 1986
Tashkent
19
52.95

Sheena Johnson

 United States
11 July 2004

Sacramento


Kori Carter

 United States
25 June 2017

Sacramento
[11]
21
53.02
Irina Privalova
 Russia
27 September 2000
Sydney
22
53.11 Tatyana Ledovskaya
 Soviet Union
29 August 1991
Tokyo

Ashley Spencer

 United States
25 June 2017

Sacramento
[12]
24
53.14

Georganne Moline

 United States
25 June 2017

Sacramento
[13]
25
53.17 Debbie Flintoff-King
 Australia
28 September 1988
Seoul


Notes


Below is a list of all other times superior to 52.88.




  • Lashinda Demus ran 52.63 (2009), 52.77 (2012), 52.82 (2010).


  • Melaine Walker ran 52.64 (2008), 52.73 (2011).


  • Kim Batten ran 52.74 (1998), 52.84 (1998).


  • Faní Halkiá also ran 52.82 (2004).


  • Dalilah Muhammad also ran 52.88 (2016).



Milestones



  • Men

    • First official IAAF world record: 55.0 seconds, Charles Bacon (USA), 1908

    • First under 54 seconds: 53.8 seconds, Sten Pettersson (SWE), 1925

    • First under 53 seconds: 52.6 seconds, John Gibson (USA), 1927

    • First under 52 seconds: 51.7 seconds, Bob Tisdall (IRL), 1932

    • First under 51 seconds: 50.6 seconds, Glenn Hardin (USA), 1934

    • First under 50 seconds: 49.5 seconds, Glenn Davis (USA), 1956

    • First under 49 seconds: 48.8 seconds, Geoff Vanderstock (USA), 1968

    • First under 48 seconds: 47.82 seconds, John Akii-Bua (UGA), 1972

    • First under 47 seconds: 46.78 seconds, Kevin Young (USA), 1992



  • Women

    • First official world record: 56.51 seconds, Krystyna Kacperczyk (POL), 1974

    • First under 56 seconds: 55.74 seconds, Tatjana Storoschewa (USSR), 1977

    • First under 55 seconds: 54.89 seconds, Tatjana Selenzowa (USSR), 1978

    • First under 54 seconds: 53.58 seconds, Margarita Ponomaryova (USSR), 1984

    • First under 53 seconds: 52.94 seconds, Marina Stepanova (USSR), 1986





Most successful athletes


American athlete Glenn Davis had a prodigious start to his hurdling career, running his first race in April 1956 in 54.4 s. Two months later, he ran a new world record with 49.5 s and later that year he won the 400 m hurdles at the Olympics, and was also the first to repeat that feat in 1960.


In terms of success and longevity in competition, Edwin Moses' record is significant: he won 122 races in a row between 1977 and 1987 plus two gold medals, at the 1976 Summer Olympics in Montréal and the 1984 Summer Olympics in Los Angeles. He was undefeated for exactly nine years nine months and nine days, from 26 August 1977 until 4 June 1987. The U.S. boycott of the 1980 Summer Olympics in Moscow prevented him from winning a hat-trick of gold medals, but his career is nonetheless widely regarded as one of the most successful in hurdling. He finished third in the 1988 Olympic final, the last race in his professional career. He also held the world record for sixteen years from when he first broke it at the Olympics on 25 July 1976 (twice in one day) until it was finally broken by Kevin Young at the 1992 Summer Olympics in Barcelona.



Edwin Moses




  • Olympic Games & World Championships victories


    • Edwin Moses (USA), Olympic 1976, 1984, World 1983, 1987


    • Felix Sanchez (DOM), Olympic 2004, 2012, World 2001, 2003


    • Kerron Clement (USA), Olympic 2016 (and Olympic silver 2008), World 2007 and 2009


    • Sally Gunnell (GBR), Olympic 1992, World 1993


    • Kevin Young (USA), Olympic 1992, World 1993


    • Derrick Adkins (USA), Olympic 1996, World 1995


    • Melaine Walker (JAM), Olympic 2008, World 2009




  • Two Olympic victories:


    • Glenn Davis (USA), 1956 and 1960


    • Edwin Moses (USA), 1976 and 1984 (also bronze in 1988)


    • Angelo Taylor (USA), 2000 and 2008


    • Félix Sánchez (DOM), 2004 and 2012




  • Two World Championships:


    • Edwin Moses (USA), 1983 and 1987


    • Félix Sánchez (DOM), 2001 and 2003 (won silver in 2007)


    • Kerron Clement (USA), 2007 and 2009


    • Nezha Bidouane (MAR), 1997 and 2001 (won silver in 1999)


    • Jana Rawlinson (AUS), 2003 (as Jana Pittman) and 2007


    • Zuzana Hejnová (CZE), 2013 and 2015



  • Note: Edwin Moses and Kevin Young are the only male 400 m hurdlers to have been Olympic Champion, World Champion and broken the World Record.

  • Note: Sally Gunnell is the only female 400 m hurdler to have been Olympic Champion, World Champion and broken the World Record.



Olympic medalists



Men









































































































































































Games
Gold
Silver
Bronze

1900 Paris
details

Walter Tewksbury
 United States

Henri Tauzin
 France

George Orton
 Canada

1904 St. Louis
details

Harry Hillman
 United States

Frank Waller
 United States

George Poage
 United States

1908 London
details

Charles Bacon
 United States

Harry Hillman
 United States

Jimmy Tremeer
 Great Britain
1912 Stockholm
not included in the Olympic program

1920 Antwerp
details

Frank Loomis
 United States

John Norton
 United States

August Desch
 United States

1924 Paris
details

Morgan Taylor
 United States

Erik Wilén
 Finland

Ivan Riley
 United States

1928 Amsterdam
details

David Burghley
 Great Britain

Frank Cuhel
 United States

Morgan Taylor
 United States

1932 Los Angeles
details

Bob Tisdall
 Ireland

Glenn Hardin
 United States

Morgan Taylor
 United States

1936 Berlin
details

Glenn Hardin
 United States

John Loaring
 Canada

Miguel White
 Philippines

1948 London
details

Roy Cochran
 United States

Duncan White
 Ceylon

Rune Larsson
 Sweden

1952 Helsinki
details

Charles Moore
 United States

Yuriy Lituyev
 Soviet Union

John Holland
 New Zealand

1956 Melbourne
details

Glenn Davis
 United States

Eddie Southern
 United States

Josh Culbreath
 United States

1960 Rome
details

Glenn Davis
 United States

Clifton Cushman
 United States

Dick Howard
 United States

1964 Tokyo
details

Rex Cawley
 United States

John Cooper
 Great Britain

Salvatore Morale
 Italy

1968 Mexico City
details

David Hemery
 Great Britain

Gerhard Hennige
 West Germany

John Sherwood
 Great Britain

1972 Munich
details

John Akii-Bua
 Uganda

Ralph Mann
 United States

David Hemery
 Great Britain

1976 Montreal
details

Edwin Moses
 United States

Michael Shine
 United States

Yevgeniy Gavrilenko
 Soviet Union

1980 Moscow
details

Volker Beck
 East Germany

Vasyl Arkhypenko
 Soviet Union

Gary Oakes
 Great Britain

1984 Los Angeles
details

Edwin Moses
 United States

Danny Harris
 United States

Harald Schmid
 West Germany

1988 Seoul
details

André Phillips
 United States

Amadou Dia Ba
 Senegal

Edwin Moses
 United States

1992 Barcelona
details

Kevin Young
 United States

Winthrop Graham
 Jamaica

Kriss Akabusi
 Great Britain

1996 Atlanta
details

Derrick Adkins
 United States

Samuel Matete
 Zambia

Calvin Davis
 United States

2000 Sydney
details

Angelo Taylor
 United States

Hadi Al-Somaily
 Saudi Arabia

Llewellyn Herbert
 South Africa

2004 Athens
details

Félix Sánchez
 Dominican Republic

Danny McFarlane
 Jamaica

Naman Keïta
 France

2008 Beijing
details

Angelo Taylor
 United States

Kerron Clement
 United States

Bershawn Jackson
 United States

2012 London
details

Félix Sánchez
 Dominican Republic

Michael Tinsley
 United States

Javier Culson
 Puerto Rico

2016 Rio de Janeiro
details

Kerron Clement
 United States

Boniface Mucheru Tumuti
 Kenya

Yasmani Copello
 Turkey


Women































































Games
Gold
Silver
Bronze

1984 Los Angeles
details

Nawal El Moutawakel
 Morocco

Judi Brown
 United States

Cristieana Cojocaru
 Romania

1988 Seoul
details

Debbie Flintoff-King
 Australia

Tatyana Ledovskaya
 Soviet Union

Ellen Fiedler
 East Germany

1992 Barcelona
details

Sally Gunnell
 Great Britain

Sandra Farmer-Patrick
 United States

Janeene Vickers
 United States

1996 Atlanta
details

Deon Hemmings
 Jamaica

Kim Batten
 United States

Tonja Buford-Bailey
 United States

2000 Sydney
details

Irina Privalova
 Russia

Deon Hemmings
 Jamaica

Nezha Bidouane
 Morocco

2004 Athens
details

Fani Halkia
 Greece

Ionela Târlea-Manolache
 Romania

Tetyana Tereshchuk-Antipova
 Ukraine

2008 Beijing
details

Melaine Walker
 Jamaica

Sheena Tosta
 United States

Tasha Danvers
 Great Britain

2012 London
details

Natalya Antyukh
 Russia

Lashinda Demus
 United States

Zuzana Hejnová
 Czech Republic

2016 Rio de Janeiro
details

Dalilah Muhammad
 United States

Sara Petersen
 Denmark

Ashley Spencer
 United States


World Championships medalists



Men









































































































Championships
Gold
Silver
Bronze

1983 Helsinki
details

 Edwin Moses (USA)

 Harald Schmid (FRG)

 Aleksandr Kharlov (URS)

1987 Rome
details

 Edwin Moses (USA)

 Danny Harris (USA)

 Harald Schmid (FRG)

1991 Tokyo
details

 Samuel Matete (ZAM)

 Winthrop Graham (JAM)

 Kriss Akabusi (GBR)

1993 Stuttgart
details

 Kevin Young (USA)

 Samuel Matete (ZAM)

 Winthrop Graham (JAM)

1995 Gothenburg
details

 Derrick Adkins (USA)

 Samuel Matete (ZAM)

 Stéphane Diagana (FRA)

1997 Athens
details

 Stéphane Diagana (FRA)

 Llewellyn Herbert (RSA)

 Bryan Bronson (USA)

1999 Seville
details

 Fabrizio Mori (ITA)

 Stéphane Diagana (FRA)

 Marcel Schelbert (SUI)

2001 Edmonton
details

 Félix Sánchez (DOM)

 Fabrizio Mori (ITA)

 Dai Tamesue (JPN)

2003 Saint-Denis
details

 Félix Sánchez (DOM)

 Joey Woody (USA)

 Periklis Iakovakis (GRE)

2005 Helsinki
details

 Bershawn Jackson (USA)

 James Carter (USA)

 Dai Tamesue (JPN)

2007 Osaka
details

 Kerron Clement (USA)

 Félix Sánchez (DOM)

 Marek Plawgo (POL)

2009 Berlin
details

 Kerron Clement (USA)

 Javier Culson (PUR)

 Bershawn Jackson (USA)

2011 Daegu
details

 Dai Greene (GBR)

 Javier Culson (PUR)

 L. J. van Zyl (RSA)

2013 Moscow
details

 Jehue Gordon (TRI)

 Michael Tinsley (USA)

 Emir Bekrić (SRB)

2015 Beijing
details

 Nicholas Bett (KEN)

 Denis Kudryavtsev (RUS)

 Jeffery Gibson (BAH)

2017 London
details

 Karsten Warholm (NOR)

 Yasmani Copello (TUR)

 Kerron Clement (USA)


Women


  • The official IAAF World Championships in Athletics began in 1983, but in 1980, the women's 3000 metres and 400 metres hurdles events had a World Championship competition in Sittard, Netherlands. This was due to these events not yet being on the Olympic program (the same had happened in 1976 for the men's 50 km walk).[14]
















































































































Championships
Gold
Silver
Bronze

1980 Sittard
details

 Bärbel Broschat (GDR)

 Ellen Neumann (GDR)

 Petra Pfaff (GDR)

1983 Helsinki
details

 Yekaterina Fesenko (URS)

 Ana Ambrazienė (URS)

 Ellen Neumann-Fiedler (GDR)

1987 Rome
details

 Sabine Busch (GDR)

 Debbie Flintoff (AUS)

 Cornelia Feuerbach (GDR)

1991 Tokyo
details

 Tatyana Ledovskaya (URS)

 Sally Gunnell (GBR)

 Janeene Vickers (USA)

1993 Stuttgart
details

 Sally Gunnell (GBR)

 Sandra Farmer-Patrick (USA)

 Margarita Ponomaryova (RUS)

1995 Gothenburg
details

 Kim Batten (USA)

 Tonja Buford (USA)

 Deon Hemmings (JAM)

1997 Athens
details

 Nezha Bidouane (MAR)

 Deon Hemmings (JAM)

 Kim Batten (USA)

1999 Seville
details

 Daimí Pernía (CUB)

 Nezha Bidouane (MAR)

 Deon Hemmings (JAM)

2001 Edmonton
details

 Nezha Bidouane (MAR)

 Yuliya Pechonkina (RUS)

 Daimí Pernía (CUB)

2003 Saint-Denis
details

 Jana Pittman (AUS)

 Sandra Glover (USA)

 Yuliya Pechonkina (RUS)

2005 Helsinki
details

 Yuliya Pechonkina (RUS)

 Lashinda Demus (USA)

 Sandra Glover (USA)

2007 Osaka
details

 Jana Rawlinson (AUS)

 Yuliya Pechenkina (RUS)

 Anna Jesień (POL)

2009 Berlin
details

 Melaine Walker (JAM)

 Lashinda Demus (USA)

 Josanne Lucas (TRI)

2011 Daegu
details

 Lashinda Demus (USA)

 Melaine Walker (JAM)

 Natalya Antyukh (RUS)

2013 Moscow
details

 Zuzana Hejnová (CZE)

 Dalilah Muhammad (USA)

 Lashinda Demus (USA)

2015 Beijing
details

 Zuzana Hejnová (CZE)

 Shamier Little (USA)

 Cassandra Tate (USA)

2017 London
details

 Kori Carter (USA)

 Dalilah Muhammad (USA)

 Ristananna Tracey (JAM)


Season's bests











External links


  • IAAF list of 400-metres-hurdles records in XML


Notes and references





  1. ^ "400 Metres Hurdles Men All Time". IAAF..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ "400m Hurdles Results" (PDF). sportresult.com. 30 June 2018. Retrieved 1 July 2018.


  3. ^ Roy Jordan (9 June 2018). "Benjamin and Norman break collegiate records at NCAA Championships". IAAF. Retrieved 13 June 2018.


  4. ^ "400m Hurdles Results" (PDF). sportresult.com. 30 June 2018. Retrieved 1 July 2018.


  5. ^ "400m Hurdles Men Final Results" (PDF). EAA. 9 August 2018. Retrieved 11 August 2018.


  6. ^ "400 Metres Hurdles Women All Time". IAAF.


  7. ^ Roy Jordan (25 June 2017). "Muhammad wins historic 400m hurdles race at US Championships". IAAF. Retrieved 26 June 2017.


  8. ^ "400 Metres Hurdles Results". IAAF. 8 August 2012. Retrieved 9 August 2012.


  9. ^ Roy Jordan (25 June 2017). "Muhammad wins historic 400m hurdles race at US Championships". IAAF. Retrieved 26 June 2017.


  10. ^ Jon Mulkeen (14 May 2018). "McLaughlin smashes own world U20 400m hurdles record with 52.75 in Knoxville". IAAF. Retrieved 14 May 2018.


  11. ^ Roy Jordan (25 June 2017). "Muhammad wins historic 400m hurdles race at US Championships". IAAF. Retrieved 26 June 2017.


  12. ^ Roy Jordan (25 June 2017). "Muhammad wins historic 400m hurdles race at US Championships". IAAF. Retrieved 26 June 2017.


  13. ^ Roy Jordan (25 June 2017). "Muhammad wins historic 400m hurdles race at US Championships". IAAF. Retrieved 26 June 2017.


  14. ^ IAAF World Championships in Athletics. GBR Athletics.











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