# 2012 World Junior Championships in Athletics – Women's 100 metres hurdles

The women's 100 metres hurdles at the 2012 World Junior Championships in Athletics was held at the Estadi Olímpic Lluís Companys on 13, 14, and 15 July.

## Medalists

| Gold | Silver | Bronze |
| Morgan Snow United States | Noemi Zbären Switzerland | Ekaterina Bleskina Russia |

## Records

Prior to the competition, the existing world junior and championship records were as follows.
| World Junior Record | Aliuska López (CUB) | 12.84 | Zagreb, Yugoslavia | 16 July 1987 |
| Championship Record | Aliuska López (CUB) | 12.96 | Sudbury, Canada | 29 July 1988 |
| World Junior Leading | Ekaterina Bleskina (RUS) | 13.11 | Cheboksary, Russia | 19 June 2012 |

## Results
### Heats

Qualification: The first 3 of each heat (Q) and the 6 fastest times (q) qualified
| Rank | Heat | Lane | Name | Nationality | Time | Note |
| 1 | 4 | 7 | Noemi Zbären | Switzerland | 13.34 | Q |
| 2 | 3 | 4 | Ekaterina Bleskina | Russia | 13.42 | Q |
| 2 | 1 | 4 | Franziska Hofmann | Germany | 13.42 | Q |
| 4 | 6 | 3 | Morgan Snow | United States | 13.44 | Q |
| 5 | 1 | 8 | Dior Hall | United States | 13.45 | Q, SB |
| 6 | 3 | 8 | Katarina Johnson-Thompson | Great Britain | 13.48 | Q, PB |
| 7 | 4 | 2 | Alexandra Burghardt | Germany | 13.49 | Q, PB |
| 8 | 2 | 7 | Michelle Jenneke | Australia | 13.52 | Q |
| 9 | 1 | 3 | Samantha Scarlett | Jamaica | 13.62 | Q, PB |
| 10 | 5 | 5 | Sade Mariah Greenidge | Barbados | 13.63 | Q |
| 11 | 6 | 4 | Chrisdale McCarthy | Jamaica | 13.68 | Q |
| 12 | 2 | 8 | Dou Wang | China | 13.71 | Q |
| 13 | 1 | 6 | Lilla Juhász | Hungary | 13.73 | q, PB |
| 14 | 3 | 7 | Jonna Berghem | Finland | 13.78 | Q |
| 15 | 1 | 9 | Shakera Hall | Barbados | 13.80 | q |
| 16 | 5 | 6 | Deshaunda Morrison | Canada | 13.83 | Q |
| 17 | 5 | 4 | Karolina Koleczek | Poland | 13.88 | Q |
| 18 | 2 | 6 | Sarah Lavin | Ireland | 13.90 | Q |
| 19 | 6 | 9 | Mizuki Kugai | Japan | 13.92 | Q |
| 20 | 6 | 8 | Suzanne Williams | Netherlands | 13.94 | q |
| 21 | 4 | 3 | Mako Fukube | Japan | 13.96 | Q |
| 22 | 4 | 8 | Manca Šepetavc | Slovenia | 13.97 | q |
| 23 | 6 | 5 | Anastasia Nikolaeva | Russia | 13.97 | q |
| 24 | 2 | 2 | Nicole Setterington | Canada | 13.98 | q |
| 25 | 1 | 7 | Ching-Ju Hsieh | Chinese Taipei | 14.02 | |
| 26 | 6 | 6 | Anamaria Nesteriuc | Romania | 14.03 | PB |
| 27 | 5 | 2 | Sophie Jancsurák | Hungary | 14.04 | |
| 28 | 3 | 6 | Abbie Taddeo | Australia | 14.05 | |
| 29 | 3 | 5 | Giada Carmassi | Italy | 14.09 | |
| 29 | 5 | 3 | Jana Sotáková | Czech Republic | 14.09 | |
| 31 | 2 | 3 | Eva Wimberger | Austria | 14.11 | PB |
| 31 | 4 | 4 | Mathilde Heltbech | Denmark | 14.11 | |
| 33 | 5 | 8 | Vera Fernandes | Portugal | 14.14 | PB |
| 34 | 2 | 5 | Jatta-Juulia Hanski | Finland | 14.15 | |
| 34 | 1 | 5 | Marthe Koala | Burkina Faso | 14.15 | SB |
| 36 | 2 | 9 | Devynne Charlton | Bahamas | 14.20 | |
| 37 | 4 | 5 | Devinn Cartwright | Bahamas | 14.21 | PB |
| 38 | 3 | 9 | Kayla Gilbert | South Africa | 14.23 | |
| 39 | 6 | 7 | Laura Strajnar | Slovenia | 14.29 | |
| 40 | 5 | 7 | Natshalie Isaac | Puerto Rico | 14.35 | |
| 41 | 1 | 2 | Maria Paniz | Italy | 14.36 | |
| 42 | 2 | 4 | Génesis Romero | Venezuela | 14.42 | |
| 43 | 4 | 9 | Beyza Tilki | Turkey | 14.76 | |
| | 3 | 3 | Ida Bakke Hansen | Norway | DQ | |
| | 4 | 6 | Yuliya Dolzhkova | Ukraine | DNF | |
| | 5 | 9 | Teresa Errandonea | Spain | DNS | |

### Semi-final

Qualification: The first 2 of each heat (Q) and the 2 fastest times (q) qualified
| Rank | Heat | Lane | Name | Nationality | Time | Note |
| 1 | 1 | 5 | Ekaterina Bleskina | Russia | 13.24 | Q |
| 2 | 1 | 6 | Morgan Snow | United States | 13.31 | Q |
| 3 | 2 | 6 | Dou Wang | China | 13.40 | Q, PB |
| 4 | 2 | 7 | Michelle Jenneke | Australia | 13.41 | Q |
| 5 | 3 | 5 | Noemi Zbären | Switzerland | 13.46 | Q |
| 6 | 2 | 5 | Franziska Hofmann | Germany | 13.53 | q |
| 7 | 2 | 9 | Jonna Berghem | Finland | 13.64 | q |
| 8 | 1 | 4 | Chrisdale McCarthy | Jamaica | 13.65 | |
| 9 | 1 | 9 | Karolina Kołeczek | Poland | 13.66 | |
| 10 | 3 | 7 | Dior Hall | United States | 13.78 | Q |
| 11 | 1 | 3 | Suzanne Williams | Netherlands | 13.79 | |
| 12 | 3 | 9 | Samantha Scarlett | Jamaica | 13.88 | |
| 13 | 3 | 8 | Mako Fukube | Japan | 13.92 | |
| 14 | 2 | 4 | Katarina Johnson-Thompson | United Kingdom | 13.94 | |
| 15 | 2 | 2 | Nicole Setterington | Canada | 13.99 | |
| 16 | 2 | 8 | Mizuki Kugai | Japan | 14.00 | |
| 17 | 3 | 4 | Deshaunda Morrison | Canada | 14.03 | |
| 18 | 3 | 2 | Anastasia Nikolaeva | Russia | 14.04 | |
| 19 | 1 | 7 | Alexandra Burghardt | Germany | 14.07 | |
| 20 | 2 | 3 | Shakera Hall | Barbados | 14.10 | |
| 21 | 3 | 3 | Lilla Juhász | Hungary | 14.14 | |
| 22 | 1 | 2 | Manca Šepetavc | Slovenia | 14.24 | |
| | 1 | 8 | Sarah Lavin | Ireland | DNF | |
| | 3 | 6 | Sade Mariah Greenidge | Barbados | DQ | |

### Final

| Rank | Lane | Name | Nationality | Time | Note |
| | 7 | Morgan Snow | United States | 13.38 | |
| | 5 | Noemi Zbären | Switzerland | 13.43 | |
| | 4 | Ekaterina Bleskina | Russia | 13.51 | |
| 4 | 2 | Franziska Hofmann | Germany | 13.54 | |
| 5 | 9 | Michelle Jenneke | Australia | 13.54 | |
| 6 | 3 | Jonna Berghem | Finland | 13.56 | PB |
| 7 | 6 | Dou Wang | China | 13.58 | |
| | 8 | Dior Hall | United States | DQ | |

## Participation

According to an unofficial count, 45 athletes from 32 countries participated in the event.
* Australia (2)
* Austria (1)
* Bahamas (2)
* Barbados (2)
* Burkina Faso (1)
* Canada (2)
* China (1)
* Chinese Taipei (1)
* Czech Republic (1)
* Denmark (1)
* Finland (2)
* Germany (2)
* Hungary (2)
* Ireland (1)
* Italy (2)
* Jamaica (2)
* Japan (2)
* Netherlands (1)
* Norway (1)
* Poland (1)
* Portugal (1)
* Puerto Rico (1)
* Romania (1)
* Russia (2)
* Slovenia (2)
* South Africa (1)
* Switzerland (1)
* Turkey (1)
* Ukraine (1)
* United Kingdom (1)
* United States (2)
* Venezuela (1)