2017 World Championships in Athletics – Women's 400 metres


The women's 400 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on and 9 August.

Summary

In wet conditions, Shaunae Miller-Uibo took an early lead, which she maintained coming onto the home stretch, with Allyson Felix in second and Phyllis Francis and Salwa Eid Naser gaining on both of them. Miller-Uibo stumbled and slowed to a jog, being passed by Francis, Felix, and Nasser. Francis continued on to win while Nasser, breaking her own national record, dipped past Felix on the line.

Records

Before the competition records were as follows:
RecordAthleteDateLocation
World47.60Marita Koch6 Oct 1985Canberra, Australia
Championship47.99Jarmila KratochvílováHelsinki, Finland
World leading49.65Allyson Felix9 Jul 2017London, Great Britain
African49.10Falilat Ogunkoya29 Jul 1996Atlanta, United States
Asian49.81Ma Yuqin11 Sep 1993Beijing, China
NACAC48.70Sanya Richards-Ross16 Sep 2006Athens, Greece
South American49.64Ximena Restrepo5 Aug 1992Barcelona, Spain
European47.60Marita Koch6 Oct 1985Canberra, Australia
Oceanian48.63Cathy Freeman29 Jul 1996Atlanta, United States

The following records were set at the competition:
RecordAthleteDate
Sierra Leonean53.20Maggie Barrie6 Aug 2017
Bahraini50.57Salwa Eid Naser6 Aug 2017
Bahraini50.08Salwa Eid Naser7 Aug 2017
Bahraini50.06Salwa Eid Naser9 Aug 2017

Qualification standard

The standard to qualify automatically for entry was 52.10.

Schedule

The event schedule, in local time, is as follows:
DateTimeRound
6 August11:55Heats
7 August20:55Semifinals
9 August21:50Final

Results

Heats

The first round took place on 6 August in six heats as follows:
Heat123456
Start time11:5412:0312:1212:2112:3012:39
Photo finish

The first three in each heat and the next six fastest qualified for the semifinals. The overall results were as follows:
RankHeatLaneNameNationalityTimeNotes
143Salwa Eid Naser50.57, '
249Phyllis Francis50.94
323Shaunae Miller-Uibo50.97
444Novlene Williams-Mills51.00
532Kabange Mupopo51.09,
664Chrisann Gordon51.14
734Shericka Jackson51.26
827Stephenie Ann McPherson51.27
962Amantle Montsho51.37,
1036Gunta Latiševa-Čudare51.37,
1138Lydia Jele51.41
1258Quanera Hayes51.43
1363Margaret Bamgbose51.57,
1429Yinka Ajayi51.58
1526Bianca Răzor51.64
1633Ruth Spelmeyer51.72,
1759Patience Okon George51.83
1854Zoey Clark51.88
1967Iga Baumgart51.88
2035Roxana Gomez51.98
2152Nirmala Sheoran52.01
2237Elea-Mariama Diarra52.06
2366Tamara Salaški52.13
2465Kendall Ellis52.18
2524Emily Diamond52.20
2657Morgan Mitchell52.22
2755Anastasiia Bryzgina52.26
2848Małgorzata Hołub52.26
2911Allyson Felix52.44
3045Lisanne de Witte52.48
3169Déborah Sananes52.50
3225Aiyanna Stiverne52.55
3346Amalie Iuel52.55
3468Anyika Onuora52.58
3512Irini Vasiliou52.61
3656Carline Muir52.70
3716Ashley Kelly52.70
3839Anita Horvat52.78
3922Cátia Azevedo52.79
4019Maria Benedicta Chigbolu53.00
4114Maggie Barrie53.20'
4242Eleni Artymata53.26
4328Christine Botlogetswe53.50
4418Justyna Święty53.62
4547Domonique Williams53.72
4615Maximila Imali53.97
4717Travia Jones54.02
4853Djénébou Danté54.04
4913Samantha Dirks54.74

Semifinals

The semifinals took place on 7 August in three heats as follows:
Heat123
Start time20:5521:0321:11
Photo finish

The first two in each heat and the next two fastest qualified for the final. The overall results were as follows:
RankHeatLaneNameNationalityTimeNotes
127Salwa Eid Naser50.08,
224Allyson Felix50.12
315Shaunae Miller-Uibo50.36
435Phyllis Francis50.37
517Stephenie Ann McPherson50.56,
634Kabange Mupopo50.60,
729Novlene Williams-Mills50.67
825Shericka Jackson50.70
916Quanera Hayes50.71
1037Chrisann Gordon50.87
1136Amantle Montsho51.28
1218Gunta Latiševa-Čudare51.57
1322Lydia Jele51.57
1433Ruth Spelmeyer51.77
1532Iga Baumgart51.81
1638Zoey Clark51.81
1713Roxana Gomez52.01
1812Bianca Răzor52.09
1928Yinka Ajayi52.10
2039Margaret Bamgbose52.23
2114Patience Okon George52.60
2223Nirmala Sheoran53.07
2326Irini Vasiliou53.27
2419Ashley Kelly54.50

Final

The final took place on 9 August at 21:50. The results were as follows:
RankLaneNameNationalityTimeNotes
6Phyllis Francis49.92
4Salwa Eid Naser50.06
5Allyson Felix50.08
47Shaunae Miller-Uibo50.49
52Shericka Jackson50.76
68Stephenie Ann McPherson50.86
79Kabange Mupopo51.15
83Novlene Williams-Mills51.48