# Swimming at the 2020 Summer Paralympics – Women's 100 metre breaststroke

The Women's 100 metre breaststroke swimming events for the 2020 Summer Paralympics took place at the Tokyo Aquatics Centre from 26 August to 1 September 2021. A total of ten events were contested over this distance.

## Schedule

| H | Heats | ½ | Semifinals | F | Final |
| Date | Thu 26 | Thu 26 | Fri 27 | Fri 27 | Sat 28 | Sat 28 | Sun 29 | Sun 29 | Mon 30 | Mon 30 | Tue 31 | Tue 31 | Wed 1 | Wed 1 |
| Event | M | E | M | E | M | E | M | E | M | E | M | E | M | E |
| SB4 100m | | | | | | | H | F | | | | | | |
| SB5 100m | | | | | H | F | | | | | | | | |
| SB6 100m | | | | | H | F | | | | | | | | |
| SB7 100m | | | | | | | | | | | | | H | F |
| SB8 100m | H | F | | | | | | | | | | | | |
| SB9 100m | H | F | | | | | | | | | | | | |
| SB11 100m | | | | | | | | | | | | | H | F |
| SB12 100m | | | | | | | | | | | | | H | F |
| SB13 100m | | | | | | | | | | | | | H | F |
| SB14 100m | | | | | | | H | F | | | | | | |

## Medal summary

The following is a summary of the medals awarded across all 100 metre breaststroke events.
| Classification | Gold | Gold | Silver | Silver | Bronze | Bronze |
| SB4 details | Fanni Illés Hungary | 1:44.41 | Giulia Ghiretti Italy | 1:50.36 | Yao Cuan China | 1:50.77 |
| SB5 details | Yelyzaveta Mereshko Ukraine | 1:40.59 | Grace Harvey Great Britain | 1:42.22 | Verena Schott Germany | 1:43.61 |
| SB6 details | Maisie Summers-Newton Great Britain | 1:32.34 | Liu Daomin China | 1:33.30 | Sophia Herzog United States | 1:36.06 |
| SB7 details | Mariia Pavlova RPC | 1:31.44 | Jessica Long United States | 1:34.82 | Tiffany Thomas Kane Australia | 1:35.02 |
| SB8 details | Ellen Keane Ireland | 1:19.93 | Sophie Pascoe New Zealand | 1:20.32 | Adelina Razetdinova RPC | 1:24.77 |
| SB9 details | Chantalle Zijderveld Netherlands | 1:10.99 WR | Lisa Kruger Netherlands | 1:13.91 | Keira Stephens Australia | 1:17.59 |
| SB11 details | Karolina Pelendritou Cyprus | 1:19.78 WR | Ma Jia China | 1:19.82 | Yana Berezhna Ukraine | 1:27.02 |
| SB12 details | Maria Carolina Gomes Santiago Brazil | 1:14.89 | Daria Lukianenko RPC | 1:17.55 | Yaryna Matlo Ukraine | 1:20.31 |
| SB13 details | Elena Krawzow Germany | 1:13.46 | Rebecca Redfern Great Britain | 1:14.10 | Colleen Young United States | 1:15.69 |
| SB14 details | Michelle Alonso Spain | 1:12.02 WR | Louise Fiddes Great Britain | 1:15.93 | Beatriz Carneiro Brazil | 1:17.61 |

## Results

The following were the results of the finals only of each of the Women's 100 metre breaststroke events in each of the classifications. Further details of each event, including where appropriate heats and semi finals results, are available on that event's dedicated page.

### SB4

The SB4 category is for swimmers who have hemiplegia, paraplegia or short stature.
The final in this classification took place on 29 August 2021:
| Rank | Lane | Name | Nationality | Time |
| | 4 | Fanni Illés | Hungary | 1:44.41 |
| | 6 | Giulia Ghiretti | Italy | 1:50.36 |
| | 3 | Yao Cuan | China | 1:50.77 |
| 4 | 2 | Zhang Li | China | 1:51.96 |
| 5 | 5 | Cheng Jiao | China | 1:52.17 |
| 6 | 7 | Monica Boggioni | Italy | 1:58.28 |
| 7 | 1 | Natalia Shavel | Belarus | 2:02.58 |
| 8 | 8 | Malak Abdelshafi | Egypt | 2:14.68 |

### SB5

The SB5 category is for swimmers who have short stature, arm amputations, or some form of coordination problem on one side of their body.
The final in this classification took place on 28 August 2021:
| Rank | Lane | Name | Nationality | Time |
| | 5 | Yelyzaveta Mereshko | Ukraine | 1:40.59 |
| | 4 | Grace Harvey | Great Britain | 1:42.22 |
| | 2 | Verena Schott | Germany | 1:43.61 |
| 4 | 7 | Song Lingling | China | 1:43.73 |
| 5 | 3 | Arianna Talamona | Italy | 1:43.83 |
| 6 | 6 | Sarah Louise Rung | Norway | 1:44.39 |
| 7 | 1 | Trịnh Thị Bích Như | Vietnam | 1:53.00 |
| 8 | 8 | Thelma Björg Björnsdóttir | Iceland | 1:54.88 |

### SB6

The SB6 category is for swimmers who have one leg and one arm amputation on opposite side, or paralysis on one side of their body. These swimmers have full control of their arms and trunk but variable function in their legs.
The final in this classification took place on 28 August 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Maisie Summers-Newton | Great Britain | 1:32.34 | PR, ER |
| | 5 | Liu Daomin | China | 1:33.30 | |
| | 3 | Sophia Herzog | United States | 1:36.06 | |
| 4 | 6 | Eleanor Simmonds | Great Britain | 1:39.94 | |
| 5 | 1 | Viktoriia Savtsova | Ukraine | 1:40.49 | |
| 6 | 7 | Evelin Száraz | Hungary | 1:41.19 | |
| 7 | 2 | Nicole Turner | Ireland | 1:41.63 | |
| 8 | 8 | Camille Bérubé | Canada | 1:44.07 | |

### SB7

The SB7 category is for swimmers who have a single amputation, or restrictive movement in their hip, knee and ankle joints.
The final in this classification took place on 1 September 2021:
| Rank | Lane | Name | Nationality | Time |
| | 4 | Mariia Pavlova | RPC | 1:31.44 |
| | 6 | Jessica Long | United States | 1:34.82 |
| | 5 | Tiffany Thomas Kane | Australia | 1:35.02 |
| 4 | 3 | Nikita Howarth | New Zealand | 1:36.65 |
| 5 | 2 | Naomi Somellera Mandujano | Mexico | 1:39.41 |
| 6 | 7 | Gisell Natalia Prada Pachón | Colombia | 1:41.11 |
| 7 | 1 | Vendula Dušková | Czech Republic | 1:42.69 |
| 8 | 8 | Amalie Vinther | Denmark | 1:47.84 |

### SB8

The SB8 category is for swimmers who have joint restrictions in one leg, or double below-the-knee amputations.
The final in this classification took place on 26 August 2021:
| Rank | Lane | Name | Nationality | Time |
| | 4 | Ellen Keane | Ireland | 1:19.93 |
| | 5 | Sophie Pascoe | New Zealand | 1:20.32 |
| | 3 | Adelina Razetdinova | RPC | 1:24.77 |
| 4 | 2 | Katarina Roxon | Canada | 1:25.73 |
| 5 | 6 | Núria Marquès Soto | Spain | 1:26.53 |
| 6 | 7 | Mikuni Utsugi | Japan | 1:28.59 |
| 7 | 8 | Elena Kliachkina | RPC | 1:29.72 |
| 8 | 1 | Efthymia Gkouli | Greece | 1:31.57 |

### SB9

The SB9 category is for swimmers who have minor physical impairments, for example, loss of one hand.
The final in this classification took place on 26 August 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Chantalle Zijderveld | Netherlands | 1:10.99 | WR |
| | 5 | Lisa Kruger | Netherlands | 1:13.91 | |
| | 6 | Keira Stephens | Australia | 1:17.59 | |
| 4 | 3 | Daniela Giménez | Argentina | 1:18.70 | |
| 5 | 7 | Sarai Gascón Moreno | Spain | 1:19.93 | |
| 6 | 2 | Zhang Meng | China | 1:20.02 | |
| 7 | 1 | Bianka Pap | Hungary | 1:22.00 | |
| 8 | 8 | Mikaela Jenkins | United States | 1:23.89 | |

### SB11

The SB11 category is for swimmers who have severe visual impairments and have very low or no light perception, such as blindness, they are required to wear blackened goggles to compete. They use tappers when competing in swimming events.
The final in this classification took place on 1 September 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Karolina Pelendritou | Cyprus | 1:19.78 | WR |
| | 4 | Ma Jia | China | 1:19.82 | |
| | 6 | Yana Berezhna | Ukraine | 1:27.02 | |
| 4 | 3 | Liesette Bruinsma | Netherlands | 1:27.29 | |
| 5 | 2 | Nadia Báez | Argentina | 1:30.77 | |
| 6 | 7 | Cai Liwen | China | 1:30.97 | |
| 7 | 1 | Sofiia Polikarpova | RPC | 1:32.84 | |
| 8 | 8 | Martina Rabbolini | Italy | 1:34.29 | |

### SB12

The SB12 category is for swimmers who have moderate visual impairment and have a visual field of less than 5 degrees radius. They are required to wear blackened goggles to compete. They may wish to use a tapper.
The final in this classification took place on 1 September 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Maria Carolina Gomes Santiago | Brazil | 1:14.89 | PR |
| | 5 | Daria Lukianenko | RPC | 1:17.55 | |
| | 3 | Yaryna Matlo | Ukraine | 1:20.31 | |
| 4 | 6 | Sophie Jin Wen Soon | Singapore | 1:29.52 | |
| 5 | 1 | Lucilene da Silva Sousa | Brazil | 1:30.25 | |
| 6 | 2 | Belkis Dayanara Mota Echarry | Venezuela | 1:30.37 | |
| 7 | 7 | Aliya Rakhimbekova | Kazakhstan | 1:31.31 | |

### SB13

The SB13 category is for swimmers who have minor visual impairment and have high visual acuity. They are required to wear blackened goggles to compete. They may wish to use a tapper.
The final in this classification took place on 1 September 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Elena Krawzow | Germany | 1:13.46 | ER |
| | 5 | Rebecca Redfern | Great Britain | 1:14.10 | |
| | 3 | Colleen Young | United States | 1:15.69 | AM |
| 4 | 7 | Mariia Latritskaia | RPC | 1:17.59 | |
| 5 | 6 | Anastasiya Zudzilava | Belarus | 1:19.77 | |
| 6 | 1 | Shokhsanamkhon Toshpulatova | Uzbekistan | 1:19.99 | |
| 7 | 2 | Róisín Ní Riain | Ireland | 1:20.34 | |
| 8 | 8 | Marlene Endrolath | Germany | 1:20.79 | |

### SB14

The SB14 category is for swimmers who have an intellectual impairment.
The final in this classification took place on 29 August 2021:
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Michelle Alonso Morales | Spain | 1:12.02 | WR |
| | 7 | Louise Fiddes | Great Britain | 1:15.93 | |
| | 3 | Beatriz Borges Carneiro | Brazil | 1:17.61 | |
| 4 | 2 | Débora Borges Carneiro | Brazil | 1:17.63 | |
| 5 | 6 | Ashley van Rijswijk | Australia | 1:17.84 | |
| 6 | 5 | Paige Leonhardt | Australia | 1:17.90 | |
| 7 | 1 | Mikika Serizawa | Japan | 1:20.09 | |
| 8 | 8 | Pernilla Lindberg | Sweden | 1:21.56 | |