# 2016 IAAF World U20 Championships – Women's 400 metres hurdles

The women's 400 metres hurdles event at the 2016 IAAF World U20 Championships was held at Zdzisław Krzyszkowiak Stadium on 20, 21 and 22 July.

## Medalists

| Gold | Anna Cockrell United States |
| Silver | Shannon Kalawan Jamaica |
| Bronze | Xahria Santiago Canada |

## Records

Standing records prior to the 2016 IAAF World U20 Championships in Athletics :
| World Junior Record | Sydney McLaughlin (USA) | 54.15 | Eugene, United States | 10 July 2016 |
| Championship Record | Lashinda Demus (USA) | 54.70 | Kingston, Jamaica | 19 July 2002 |
| World Junior Leading | Sydney McLaughlin (USA) | 54.15 | Eugene, United States | 10 July 2016 |

## Results
### Heats

Qualification: First 4 of each heat (Q) and the 4 fastest times (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 2 | Anna Cockrell | United States | 56.85 | Q |
| 2 | 5 | Aminat Yusuf Jamal | Bahrain | 56.94 | Q, NU20R |
| 3 | 2 | Gezelle Magerman | South Africa | 57.75 | Q, PB |
| 4 | 1 | Eileen Demes | Germany | 57.77 | Q, PB |
| 5 | 5 | Shannon Kalawan | Jamaica | 58.23 | Q |
| 6 | 1 | Anaïs Seiller | France | 58.44 | Q, PB |
| 7 | 3 | Xahria Santiago | Canada | 58.48 | Q |
| 8 | 4 | Tereza Vokálová | Czech Republic | 58.62 | Q |
| 9 | 5 | Mariam Abdul-Rashid | Canada | 58.65 | Q, SB |
| 10 | 3 | Julie Hounsinou | France | 58.65 | Q, PB |
| 11 | 1 | Haruko Ishizuka | Japan | 58.66 | Q |
| 12 | 4 | Eleonora Marchiando | Italy | 58.75 | Q, PB |
| 13 | 1 | Michaela Pešková | Slovakia | 59.03 | Q |
| 14 | 5 | Johanna Dyremark | Sweden | 59.04 | Q, PB |
| 15 | 5 | Dimitra Gnafaki | Greece | 59.13 | q |
| 16 | 4 | Nicolee Foster | Jamaica | 59.19 | Q |
| 17 | 3 | Karoline Maria Sauer | Germany | 59.37 | Q |
| 18 | 4 | Alanah Yukich | Australia | 59.54 | Q |
| 19 | 1 | Jelena Grujić | Serbia | 59.79 | q, PB |
| 20 | 4 | Anne Sofie Kirkegaard | Denmark | 59.96 | q |
| 21 | 2 | Yana Khabina | Ukraine | 59.98 | Q |
| 22 | 4 | Iulia Nicoleta Banaga | Romania | 59.99 | q, PB |
| 23 | 5 | Aneja Simončič | Slovenia | 1:00.03 | SB |
| 24 | 1 | Anna Kiafa | Greece | 1:00.26 | |
| 25 | 5 | Daniela Rojas | Costa Rica | 1:00.30 | |
| 26 | 1 | Tereza Jonášová | Czech Republic | 1:00.33 | |
| 27 | 3 | Dariya Stavnycha | Ukraine | 1:00.53 | Q |
| 28 | 3 | Brandeé Johnson | United States | 1:00.58 | |
| 29 | 3 | Noémi Szücs | Hungary | 1:00.90 | |
| 30 | 2 | Lakeisha Warner | British Virgin Islands | 1:00.93 | Q |
| 31 | 5 | Wang Chen | China | 1:00.97 | |
| 32 | 1 | Gioi Spinello | Italy | 1:01.13 | |
| 33 | 2 | Ma Jie | China | 1:01.65 | |
| 34 | 3 | Mizuki Murakami | Japan | 1:01.78 | |
| 35 | 4 | Dreshanae Rolle | Bahamas | 1:02.03 | |
| 36 | 2 | Agata Zupin | Slovenia | 1:02.08 | |
| 37 | 2 | Adelina Akhmetova | Kazakhstan | 1:02.24 | |
| 38 | 2 | Rokia Fofana | Burkina Faso | 1:02.62 | NU20R |
| 39 | 3 | Christina Francisco | Guam | 1:05.51 | |
| | 4 | Chelsea Walker | Great Britain | DNF | |

### Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 3 | Anna Cockrell | United States | 56.10 | Q |
| 2 | 1 | Eileen Demes | Germany | 57.13 | Q, PB |
| 3 | 2 | Aminat Yusuf Jamal | Bahrain | 57.28 | Q |
| 4 | 1 | Xahria Santiago | Canada | 57.32 | Q |
| 5 | 3 | Shannon Kalawan | Jamaica | 57.62 | Q |
| 6 | 2 | Mariam Abdul-Rashid | Canada | 57.69 | Q, SB |
| 7 | 1 | Michaela Pešková | Slovakia | 58.08 | q, SB |
| 8 | 2 | Tereza Vokálová | Czech Republic | 58.33 | q |
| 9 | 2 | Anaïs Seiller | France | 58.47 | |
| 10 | 1 | Dimitra Gnafaki | Greece | 58.48 | NU20R |
| 11 | 3 | Haruko Ishizuka | Japan | 58.55 | |
| 12 | 3 | Gezelle Magerman | South Africa | 58.76 | |
| 13 | 1 | Eleonora Marchiando | Italy | 58.88 | |
| 14 | 2 | Nicolee Foster | Jamaica | 58.93 | |
| 15 | 1 | Julie Hounsinou | France | 59.02 | |
| 16 | 2 | Anne Sofie Kirkegaard | Denmark | 59.13 | |
| 17 | 3 | Karoline Maria Sauer | Germany | 59.15 | |
| 18 | 3 | Alanah Yukich | Australia | 59.20 | PB |
| 19 | 1 | Yana Khabina | Ukraine | 59.84 | |
| 20 | 2 | Johanna Dyremark | Sweden | 59.89 | |
| 21 | 1 | Jelena Grujić | Serbia | 1:00.05 | |
| 22 | 3 | Dariya Stavnycha | Ukraine | 1:00.43 | |
| 23 | 3 | Iulia Nicoleta Banaga | Romania | 1:00.56 | |
| | 2 | Lakeisha Warner | British Virgin Islands | DNF | |

### Final

| Rank | Lane | Name | Nationality | Time | Note |
| | 7 | Anna Cockrell | United States | 55.20 | PB |
| | 8 | Shannon Kalawan | Jamaica | 56.54 | |
| | 4 | Xahria Santiago | Canada | 56.90 | SB |
| 4 | 6 | Eileen Demes | Germany | 57.83 | |
| 5 | 3 | Michaela Pešková | Slovakia | 58.17 | |
| 6 | 5 | Aminat Yusuf Jamal | Bahrain | 58.23 | |
| 7 | 2 | Tereza Vokálová | Czech Republic | 59.08 | |
| 8 | 9 | Mariam Abdul-Rashid | Canada | 59.66 | |