# 2021 World Athletics U20 Championships – Women's 100 metres hurdles

The women's 100 metres hurdles at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 20 and 21 August.

## Records

Standing records prior to the 2021 World Athletics U20 Championships :
| World U20 Record | Britany Anderson (JAM) | 12.71 | Joensuu, Finland | 24 July 2019 |
| Championship Record | Elvira Herman (BLR) | 12.85 | Bydgoszcz, Poland | 24 July 2016 |
| World U20 Leading | Ackera Nugent (JAM) | 12.76 | College Station, United States | 29 May 2021 |

## Results
### Heats

Qualification: First 4 of each heat (Q) and the 4 fastest times (q) qualified for the semifinals.
Wind: Heat 1: +0.2 m/s, Heat 2: -0.6 m/s, Heat 3: +0.1 m/s, Heat 4: +0.5 m/s, Heat 5: +0.2 m/s
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 3 | Ditaji Kambundji | Switzerland | 13.30 | Q |
| 2 | 2 | Ackera Nugent | Jamaica | 13.35 | Q |
| 3 | 5 | Oneka Wilson | Jamaica | 13.36 | Q, PB |
| 4 | 5 | Anna Maria Millend | Estonia | 13.56 | Q, PB |
| 5 | 1 | Marika Majewska | Poland | 13.58 | Q |
| 6 | 4 | Marione Fourie | South Africa | 13.64 | Q |
| 7 | 5 | Weronika Barcz | Poland | 13.65 | Q |
| 8 | 2 | Anna Tóth | Hungary | 13.67 | Q |
| 9 | 4 | Aitana Radsma | Spain | 13.67 | Q |
| 10 | 3 | Viktória Forster | Slovakia | 13.75 | Q |
| 11 | 3 | Sonja Stång | Finland | 13.82 | Q |
| 12 | 4 | Giovana Corradi | Brazil | 13.95 | Q, PB |
| 13 | 1 | Veronica Besana | Italy | 13.97 | Q |
| 14 | 5 | Tanja Kokkonen | Finland | 13.97 | Q |
| 15 | 3 | Dana-Maria Govoreanu | Romania | 14.00 | Q |
| 16 | 1 | Madina Toure | Burkina Faso | 14.00 | Q |
| 17 | 3 | Gabija Klimukaitė | Lithuania | 14.03 | q, PB |
| 18 | 1 | Yaren Yıldırım | Turkey | 14.06 | Q |
| 19 | 1 | Marta Marksa | Latvia | 14.09 | q |
| 20 | 1 | Klara Loessl | Denmark | 14.12 | q |
| 21 | 4 | Nandini Agasara | India | 14.18 | Q |
| 22 | 2 | Giorgia Marcomin | Italy | 14.26 | Q |
| 23 | 3 | Cansu Nimet Sayın | Turkey | 14.26 | q |
| 24 | 2 | Annika Haldbo | Denmark | 14.33 | Q |
| 25 | 5 | Daniele Campigotto | Brazil | 14.49 | |
| 26 | 2 | Eva Murn | Slovenia | 14.51 | |
| 27 | 3 | Rahil Hamel | Algeria | 14.64 | |
| 28 | 4 | Krystyna Yurchuk | Ukraine | 14.83 | |
| 29 | 1 | Agnes Mutindi Ngumbi | Kenya | 15.72 | PB |
| 30 | 2 | Isabel Urrutia | Colombia | 19.43 | |
| | 4 | Ester Bendová | Czech Republic | DNF | |
| | 4 | Jaclyn González Mendoza | Mexico | DNF | |
| | 2 | Léa Vendôme | France | DNF | |
| | 5 | Kayla van der Bergh | South Africa | DNS | |

### Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.
Wind: Heat 1: +0.3 m/s, Heat 2: +0.3 m/s, Heat 3: +0.3 m/s
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 3 | Ackera Nugent | Jamaica | 13.02 | Q |
| 2 | 2 | Ditaji Kambundji | Switzerland | 13.02 | Q |
| 3 | 3 | Weronika Barcz | Poland | 13.36 | Q, PB |
| 4 | 1 | Oneka Wilson | Jamaica | 13.39 | Q |
| 5 | 2 | Anna Maria Millend | Estonia | 13.44 | Q, NU20R |
| 6 | 2 | Anna Tóth | Hungary | 13.46 | q, PB |
| 7 | 2 | Sonja Stång | Finland | 13.59 | q |
| 8 | 1 | Viktória Forster | Slovakia | 13.59 | Q |
| 9 | 3 | Marione Fourie | South Africa | 13.60 | |
| 10 | 3 | Aitana Radsma | Spain | 13.68 | |
| 11 | 1 | Tanja Kokkonen | Finland | 13.81 | |
| 12 | 1 | Gabija Klimukaitė | Lithuania | 13.84 | PB |
| 13 | 1 | Dana-Maria Govoreanu | Romania | 13.87 | |
| 14 | 1 | Marika Majewska | Poland | 13.91 | |
| 15 | 2 | Yaren Yıldırım | Turkey | 13.93 | |
| 16 | 1 | Marta Marksa | Latvia | 14.00 | |
| 17 | 1 | Veronica Besana | Italy | 14.01 | |
| 18 | 3 | Cansu Nimet Sayın | Turkey | 14.08 | |
| 19 | 2 | Nandini Agasara | India | 14.16 | |
| 20 | 3 | Annika Haldbo | Denmark | 14.20 | |
| 21 | 3 | Giorgia Marcomin | Italy | 14.26 | |
| 22 | 3 | Madina Toure | Burkina Faso | 14.96 | |
| | 2 | Klara Loessl | Denmark | DNF | |
| | 2 | Giovana Corradi | Brazil | DNS | |

### Final

The final was held on 21 August at 16:00.
Wind: +0.8 m/s
| Rank | Lane | Name | Nationality | Time | Note |
| | 7 | Ackera Nugent | Jamaica | 12.95 | |
| | 9 | Anna Maria Millend | Estonia | 13.45 | |
| | 3 | Anna Tóth | Hungary | 13.58 | |
| 4 | 2 | Sonja Stång | Finland | 13.63 | |
| | 5 | Weronika Barcz | Poland | DNF | |
| | 8 | Viktória Forster | Slovakia | DQ | TR22.6.2 |
| | 6 | Ditaji Kambundji | Switzerland | DQ | TR22.6.2 |
| | 4 | Oneka Wilson | Jamaica | DNS | |