# 2021 European Athletics U23 Championships – Women's 100 metres

The women's 100 metres event at the 2021 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 8 and 9 July.

## Records

Prior to the competition, the records were as follows:
| European U23 record | Marlies Göhr (GER) | 10.88 | Dresden, East Germany | 1 July 1977 |
| Championship U23 record | Maria Karastamati (GRE) | 11.03 | Erfurt, Germany | 16 July 2005 |

## Results
### Round 1

Qualification rule: First 4 in each heat (Q) and the next 4 fastest (q) advance to the Semi-Finals.
Wind: Heat 1: +1.0 m/s, Heat 2: +0.1 m/s, Heat 3: +0.4 m/s, Heat 4: +1.4 m/s, Heat 5: +0.6 m/s
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 3 | Klaudia Adamek | Poland | 11.30 | Q, PB |
| 2 | 4 | Kristal Awuah | Great Britain | 11.36 | Q |
| 3 | 2 | Rani Rosius | Belgium | 11.41 | Q |
| 4 | 2 | Lilly Kaden | Germany | 11.41 | Q |
| 5 | 1 | Vittoria Fontana | Italy | 11.44 | Q |
| 6 | 4 | Molly Scott | Ireland | 11.49 | Q, PB |
| 7 | 4 | Patrizia van der Weken | Luxembourg | 11.50 | Q, NR |
| 8 | 4 | Cynthia Reinle | Switzerland | 11.52 | Q |
| 9 | 5 | Zaynab Dosso | Italy | 11.55 | Q |
| 10 | 1 | Alisha Rees | Great Britain | 11.55 | Q |
| 10 | 3 | Keshia Beverly Kwadwo | Germany | 11.55 | Q |
| 12 | 4 | Mizgin Ay | Turkey | 11.55 | q, NU23R |
| 13 | 1 | Paulina Guzowska | Poland | 11.57 | Q |
| 14 | 5 | Magdalena Lindner | Austria | 11.57 | Q |
| 15 | 2 | Julia Henriksson | Sweden | 11.63 | Q, PB |
| 16 | 1 | Boglárka Takács | Hungary | 11.64 | Q, SB |
| 17 | 2 | Marina Andreea Baboi | Romania | 11.66 | Q |
| 18 | 3 | Viktoriya Ratnikova | Ukraine | 11.68 | Q |
| 19 | 1 | Aitana Rodrigo | Spain | 11.68 | q |
| 20 | 5 | Jaël Bestué | Spain | 11.73 | Q |
| 21 | 3 | Giorgia Bellinazzi | Italy | 11.74 | Q |
| 22 | 3 | Ingvild Meinseth | Norway | 11.75 | q, =SB |
| 23 | 3 | Nathacha Kouni | Switzerland | 11.80 | q |
| 24 | 3 | Karoli Käärt | Estonia | 11.82 | |
| 25 | 1 | Johana Kaiserová | Czech Republic | 11.83 | |
| 26 | 5 | Magdalena Stefanowicz | Poland | 11.87 | Q |
| 27 | 2 | Aoife Lynch | Ireland | 11.88 | |
| 28 | 2 | Katsiaryna Zhyvayeva | Belarus | 11.89 | |
| 29 | 4 | Marie-Ange Rimlinger | France | 11.90 | |
| 30 | 5 | Michelle Gloor | Switzerland | 11.91 | |
| 31 | 4 | Styliani-Alexandra Michailidou | Greece | 11.97 | |
| 32 | 5 | Gina Akpe-Moses | Ireland | 12.01 | |
| 33 | 5 | Yeva Podhorodetska | Ukraine | 12.05 | |
| 34 | 1 | Carla Scicluna | Malta | 12.05 | PB |
| 35 | 2 | Tiana Ósk Whitworth | Iceland | 12.21 | =SB |

### Semifinals

Qualification rule: First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final.
Wind: Heat 1: +3.0 m/s, Heat 2: +1.3 m/s, Heat 3: +0.3 m/s
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Rani Rosius | Belgium | 11.16 | Q |
| 2 | 1 | Vittoria Fontana | Italy | 11.28 | Q |
| 3 | 3 | Lilly Kaden | Germany | 11.28 | Q, PB |
| 4 | 2 | Kristal Awuah | Great Britain | 11.33 | Q |
| 5 | 1 | Cynthia Reinle | Switzerland | 11.33 | q |
| 6 | 3 | Klaudia Adamek | Poland | 11.35 | Q |
| 7 | 1 | Jaël Bestué | Spain | 11.36 | q |
| 8 | 1 | Magdalena Lindner | Austria | 11.41 | |
| 9 | 1 | Mizgin Ay | Turkey | 11.44 | |
| 10 | 1 | Keshia Beverly Kwadwo | Germany | 11.45 | |
| 11 | 3 | Molly Scott | Ireland | 11.47 | PB |
| 12 | 2 | Patrizia van der Weken | Luxembourg | 11.52 | Q |
| 13 | 3 | Marina Andreea Baboi | Romania | 11.55 | |
| 14 | 3 | Julia Henriksson | Sweden | 11.56 | PB |
| 15 | 2 | Zaynab Dosso | Italy | 11.57 | |
| 16 | 2 | Alisha Rees | Great Britain | 11.57 | |
| 17 | 3 | Paulina Guzowska | Poland | 11.61 | |
| 18 | 2 | Boglárka Takács | Hungary | 11.65 | |
| 19 | 1 | Aitana Rodrigo | Spain | 11.66 | |
| 20 | 2 | Magdalena Stefanowicz | Poland | 11.70 | |
| 21 | 3 | Giorgia Bellinazzi | Italy | 11.73 | |
| 22 | 2 | Viktoriya Ratnikova | Ukraine | 11.80 | |
| 23 | 2 | Ingvild Meinseth | Norway | 11.87 | |
| 24 | 3 | Nathacha Kouni | Switzerland | 11.90 | |

### Final

Wind: –1.3 m/s
| Rank | Lane | Name | Nationality | Time |
| | 3 | Lilly Kaden | Germany | 11.36 |
| | 4 | Rani Rosius | Belgium | 11.43 |
| | 5 | Kristal Awuah | Great Britain | 11.44 |
| 4 | 2 | Jaël Bestué | Spain | 11.52 |
| 5 | 6 | Vittoria Fontana | Italy | 11.58 |
| 6 | 1 | Cynthia Reinle | Switzerland | 11.65 |
| 7 | 8 | Klaudia Adamek | Poland | 11.69 |
| 8 | 7 | Patrizia van der Weken | Luxembourg | 11.73 |