# 2010 World Junior Championships in Athletics – Women's 100 metres

The women's 100 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 20 & 21 July.

## Medalists

| Gold | Silver | Bronze |
| Jodie Williams Great Britain | Takeia Pinckney United States | Jamile Samuel Netherlands |

## Records

Prior to the competition, the existing world junior and championship records were as follows.
| | Name | Nationality | Time | Location | Date |
| World junior record | Marlies Oelsner | East Germany | 10.88 | Dresden | July 1, 1977 |
| Championship record | Veronica Campbell | Jamaica | 11.12 | Santiago de Chile | October 18, 2000 |
No new records were established during the competition.

## Results
### Final

21 July Wind: -0.7 m/s
| Rank | Name | Nationality | Time |
| | Jodie Williams | United Kingdom | 11.40 |
| | Takeia Pinckney | United States | 11.49 |
| | Jamile Samuel | Netherlands | 11.56 |
| 4 | Ashton Purvis | United States | 11.60 |
| 5 | Leena Günther | Germany | 11.67 |
| 6 | Tatjana Pinto | Germany | 11.80 |
| 7 | Loudia Laarman | Canada | 11.81 |
| 8 | Stella Silas | Nigeria | 11.98 |

### Semifinals

21 July

#### Semifinal 1

Wind: +1.7 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Tatjana Pinto | Germany | 11.68 | Q |
| 2 | Takeia Pinckney | United States | 11.71 | Q |
| 3 | Loudia Laarman | Canada | 11.73 | q |
| 4 | Fanny Chalas | Dominican Republic | 11.87 | |
| 5 | Marilyn Nwawulor | United Kingdom | 11.95 | |
| 6 | Deandre Whitehorne | Jamaica | 12.05 | |
| 7 | Lenka Kršáková | Slovakia | 12.27 | |
| 8 | Nodoka Seko | Japan | 12.28 | |

#### Semifinal 2

Wind: +1.6 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Ashton Purvis | United States | 11.68 | Q |
| 2 | Leena Günther | Germany | 11.72 | Q |
| 3 | Bárbara Leôncio | Brazil | 11.78 | |
| 4 | Anasztázia Nguyen | Hungary | 11.92 | |
| 5 | Siedatha Palmer | Jamaica | 11.93 | |
| 6 | Orlann Ombissa | France | 12.01 | |
| 7 | Martina Amidei | Italy | 12.16 | |
| 8 | Kirsten Niuwendam | Suriname | 12.36 | |

#### Semifinal 3

Wind: +1.2 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Jodie Williams | United Kingdom | 11.59 | Q |
| 2 | Jamile Samuel | Netherlands | 11.68 | Q |
| 3 | Stella Silas | Nigeria | 11.78 | q |
| 4 | Caitlin Sargent | Australia | 11.90 | |
| 5 | Mujinga Kambundji | Switzerland | 11.92 | |
| 6 | Jessie Saint-Marc | France | 12.00 | |
| 7 | V'Alonnee Robinson | Bahamas | 12.14 | |
| 8 | María Martín-Sacristán | Spain | 12.17 | |

### Heats

20 July

#### Heat 1

Wind: +0.3 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Leena Günther | Germany | 11.50 | Q |
| 2 | Mujinga Kambundji | Switzerland | 11.70 | Q |
| 3 | Deandre Whitehorne | Jamaica | 11.82 | Q |
| 4 | Marilyn Nwawulor | United Kingdom | 11.85 | q |
| 5 | Shinelle Proctor | Anguilla | 13.01 | |
| 6 | Battsengel Tungalag | Mongolia | 13.68 | |
| | Alja Sitar | Slovenia | DQ | IAAF rule 162.7 |

#### Heat 2

Wind: +0.2 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Ashton Purvis | United States | 11.73 | Q |
| 2 | Orlann Ombissa | France | 11.78 | Q |
| 3 | Martina Amidei | Italy | 11.86 | Q |
| 4 | Siedatha Palmer | Jamaica | 11.87 | q |
| 5 | Lenka Kršáková | Slovakia | 12.07 | q |
| 6 | Patricia Taea | Cook Islands | 13.05 | |

#### Heat 3

Wind: +0.2 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Takeia Pinckney | United States | 11.48 | Q |
| 2 | Bárbara Leôncio | Brazil | 11.67 | Q |
| 3 | Anasztázia Nguyen | Hungary | 12.00 | Q |
| 4 | Lee Sun-Ae | South Korea | 12.16 | |
| 5 | Victoria Woodward | Argentina | 12.25 | |
| 6 | Angie Lam On Ki | Hong Kong | 12.31 | |
| 7 | Joanne Loutoy | Seychelles | 12.65 | |

#### Heat 4

Wind: +0.1 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Tatjana Pinto | Germany | 11.63 | Q |
| 2 | Caitlin Sargent | Australia | 11.77 | Q |
| 3 | Jessie Saint-Marc | France | 11.83 | Q |
| 4 | Stella Silas | Nigeria | 11.90 | q |
| 5 | V'Alonnee Robinson | Bahamas | 11.95 | q |
| 6 | Kirsten Niuwendam | Suriname | 12.07 | q |
| 7 | Shantely Scott | Costa Rica | 12.92 | |
| 8 | Marina Ramadani | Albania | 13.31 | |

#### Heat 5

Wind: 0.0 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Jodie Williams | United Kingdom | 11.53 | Q |
| 2 | Loudia Laarman | Canada | 11.64 | Q |
| 3 | María Martín-Sacristán | Spain | 11.97 | Q |
| 4 | Marvar Etienne | Bahamas | 12.12 | |
| 5 | Chathubashini Maralanda | Sri Lanka | 12.43 | |
| 6 | Lovelite Detenamo | Nauru | 12.75 | |

#### Heat 6

Wind: +0.3 m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Jamile Samuel | Netherlands | 11.57 | Q |
| 2 | Fanny Chalas | Dominican Republic | 11.80 | Q |
| 3 | Nodoka Seko | Japan | 12.07 | Q |
| 4 | Fanni Schmelcz | Hungary | 12.13 | |
| 5 | Nimet Karakuş | Turkey | 12.33 | |
| 6 | Aziza Sbaity | Lebanon | 12.44 | |
| 7 | Rebecca Kafanfdo | Burkina Faso | 12.66 | |

## Participation

According to an unofficial count, 41 athletes from 34 countries participated in the event.
* Albania (1)
* Anguilla (1)
* Argentina (1)
* Australia (1)
* Bahamas (2)
* Brazil (1)
* Burkina Faso (1)
* Canada (1)
* Cook Islands (1)
* Costa Rica (1)
* Dominican Republic (1)
* France (2)
* Germany (2)
* Hong Kong (1)
* Hungary (2)
* Italy (1)
* Jamaica (2)
* Japan (1)
* Lebanon (1)
* Mongolia (1)
* Nauru (1)
* Netherlands (1)
* Nigeria (1)
* Seychelles (1)
* Slovakia (1)
* Slovenia (1)
* South Korea (1)
* Spain (1)
* Sri Lanka (1)
* Suriname (1)
* Switzerland (1)
* Turkey (1)
* United Kingdom (2)
* United States (2)