# 2024 World Athletics U20 Championships – Women's 100 metres

The women's 100 metres at the 2024 World Athletics U20 Championships was held at the Estadio Atlético de la VIDENA in Lima, Peru on 27 and 28 August 2024.

## Records

U20 standing records prior to the 2024 World Athletics U20 Championships were as follows:
| Record | Athlete & Nationality | Mark | Location | Date |
| World U20 Record | Marlies Oelsner (GDR) | 10.88 | Dresden, Germany | 1 July 1977 |
| Championship Record | Tina Clayton (JAM) | 10.95 | Cali, Colombia | 3 August 2022 |
| World U20 Leading | Alana Reid (JAM) | 11.09 | Gainesville, United States | 13 April 2024 |

## Results
### Heats

The first 3 athletes in each heat (Q) and the next 6 fastest (q) qualified to the semi-finals.

#### Heat 1

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 9 | Adaejah Hodge | British Virgin Islands | 11.45 | Q |
| 2 | 2 | Kishawna Niles | Barbados | 11.63 | Q |
| 3 | 4 | Uliana Stepaniuk | Ukraine | 11.82 | Q |
| 4 | 8 | Lina Hribar | Slovenia | 11.95 (.948) | |
| 5 | 6 | Abinaya Rajarajan | India | 11.95 (.950) | |
| 6 | 7 | Athaleyha Hinckson | Guyana | 12.01 | |
| 7 | 5 | Rachele Torchio | Italy | 12.05 | |
| 8 | 3 | Carla Martínez | Spain | 12.08 | |
| | | | | Wind: -0.2 m/s | Wind: -0.2 m/s |

#### Heat 2

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 7 | Mabel Akande | Great Britain | 11.53 | Q |
| 2 | 2 | Radina Velichkova | Bulgaria | 11.57 | Q |
| 3 | 5 | Justina Eyakpobeyan | Nigeria | 11.61 | Q |
| 4 | 9 | Olivia Lundberg | Sweden | 11.63 | q |
| 5 | 8 | Lucija Potnik | Slovenia | 11.71 | q, SB |
| 6 | 6 | Sherin Kimuanga | Germany | 11.75 | q |
| 7 | 3 | Kaili Botje | South Africa | 11.92 | |
| 8 | 4 | Antonia Ramírez | Chile | 12.15 | |
| | | | | Wind: +0.2 m/s | Wind: +0.2 m/s |

#### Heat 3

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 4 | Alana Reid | Jamaica | 11.46 | Q |
| 2 | 8 | Chelsea Kadiri | Germany | 11.51 | Q |
| 3 | 6 | Taylor Snaer | United States | 11.58 | Q |
| 4 | 5 | Jagoda Żukowska | Poland | 11.79 | q |
| 5 | 2 | Renée Tedga | Canada | 11.89 | |
| 6 | 7 | Jazmin Romeu | Spain | 12.15 | |
| 7 | 9 | Shayann Demeritte | Bahamas | 12.19 | |
| 8 | 3 | Casey Cruz | Northern Mariana Islands | 13.59 | |
| 9 | 1 | Emma Bottin | Monaco | 13.64 | |
| | | | | Wind: -0.6 m/s | Wind: -0.6 m/s |

#### Heat 4

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 5 | Viwe Jingqi | South Africa | 11.61 | Q |
| 2 | 2 | Chen Yujie | China | 11.66 | Q |
| 3 | 7 | Liranyi Alonso | Dominican Republic | 11.77 | Q |
| 4 | 3 | Marielle Venida | New Zealand | 11.80 | |
| 5 | 4 | Frederikke Voss Vestergaard | Denmark | 12.03 | |
| 6 | 6 | Chioma Nweke | Nigeria | 12.24 | |
| 7 | 8 | Katharina Stadler | Austria | 12.25 | |
| 8 | 9 | Chelsea Scoyler | Australia | 29.06 | |
| | | | | Wind: -0.5 m/s | Wind: -0.5 m/s |

#### Heat 5

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 8 | Chloé Rabac | Switzerland | 11.77 | Q |
| 2 | 7 | Frances Colon | Puerto Rico | 11.83 | Q |
| 3 | 2 | Avery Lewis | United States | 11.85 | Q |
| 4 | 4 | Thieanna Terrelonge | Jamaica | 12.03 | |
| 5 | 6 | Agnese Musica | Italy | 12.07 | |
| 6 | 5 | María Camila Maturana | Colombia | 12.08 | |
| 7 | 1 | Oliwia Zimoląg | Poland | 12.23 | |
| 8 | 3 | Mariyam Ali | Maldives | 12.47 | |
| – | 9 | Zinad Joseph | ART | DNS | |
| | | | | Wind: -0.6 m/s | Wind: -0.6 m/s |

#### Heat 6

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 7 | Nia Wedderburn-Goodison | Great Britain | 11.47 | Q |
| 2 | 5 | Aleksandra Stoilova | Australia | 11.56 | Q |
| 3 | 6 | Miia Ott | Estonia | 11.69 | Q |
| 4 | 8 | Savannah Blair | Canada | 11.78 | q |
| 5 | 2 | Vanessa dos Santos | Brazil | 11.79 | q |
| 6 | 3 | Nina Thevenin | France | 11.92 | |
| 7 | 9 | Stefany Julio | Colombia | 12.01 | |
| 8 | 4 | Cayetana Chirinos | Peru | 12.17 | |
| | | | | Wind: -0.4 m/s | Wind: -0.4 m/s |

### Semi-finals

The first 2 athletes in each heat (Q) and the next 2 fastest (q) qualified to the final.

#### Heat 1

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 4 | Kishawna Niles | Barbados | 11.39 (.389) | Q |
| 2 | 7 | Nia Wedderburn-Goodison | Great Britain | 11.39 (.389) | Q |
| 3 | 6 | Viwe Jingqi | South Africa | 11.49 | q |
| 4 | 5 | Radina Velichkova | Bulgaria | 11.68 | |
| 5 | 2 | Sherin Kimuanga | Germany | 11.76 | |
| 6 | 8 | Miia Ott | Estonia | 11.84 | |
| 7 | 9 | Savannah Blair | Canada | 11.87 | |
| 8 | 3 | Liranyi Alonso | Dominican Republic | 11.89 | |
| | | | | Wind: +0.5 m/s | Wind: +0.5 m/s |

#### Heat 2

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 4 | Alana Reid | Jamaica | 11.44 | Q |
| 2 | 3 | Justina Eyakpobeyan | Nigeria | 11.56 | Q |
| 3 | 5 | Aleksandra Stoilova | Australia | 11.58 | q |
| 4 | 6 | Mabel Akande | Great Britain | 11.59 | |
| 5 | 9 | Lucija Potnik | Slovenia | 11.72 | |
| 6 | 8 | Avery Lewis | United States | 11.77 | |
| 7 | 7 | Chen Yujie | China | 11.79 | |
| 8 | 2 | Jagoda Żukowska | Poland | 11.98 | |
| | | | | Wind: -0.3 m/s | Wind: -0.3 m/s |

#### Heat 3

| Rank | Lane | Athlete | Nation | Time | Notes |
| 1 | 7 | Chelsea Kadiri | Germany | 11.52 | Q |
| 2 | 4 | Adaejah Hodge | British Virgin Islands | 11.59 | Q |
| 3 | 2 | Olivia Lundberg | Sweden | 11.72 | |
| 4 | 5 | Frances Colon | Puerto Rico | 11.74 | |
| 5 | 9 | Vanessa dos Santos | Brazil | 11.76 | |
| 6 | 8 | Taylor Snaer | United States | 11.77 | |
| 7 | 6 | Chloé Rabac | Switzerland | 11.78 | |
| 8 | 3 | Uliana Stepaniuk | Ukraine | 11.80 | |
| | | | | Wind: +0.4 m/s | Wind: +0.4 m/s |

### Final

| Rank | Lane | Athlete | Nation | Time | Notes |
| | 6 | Alana Reid | Jamaica | 11.17 | |
| | 8 | Adaejah Hodge | British Virgin Islands | 11.27 | |
| | 4 | Kishawna Niles | Barbados | 11.37 | |
| 4 | 5 | Nia Wedderburn-Goodison | Great Britain | 11.46 | |
| 5 | 9 | Viwe Jingqi | South Africa | 11.57 | |
| 6 | 7 | Chelsea Kadiri | Germany | 11.58 | |
| 7 | 3 | Justina Eyakpobeyan | Nigeria | 11.63 | |
| 8 | 2 | Aleksandra Stoilova | Australia | 11.64 | |
| | | | | Wind: 0.0 m/s | Wind: 0.0 m/s |