| Event: | Women's 100 metre breaststroke |
| Competition: | 2018 European Aquatics Championships |
| Venue: | Tollcross International Swimming Centre |
| Dates: | 4 August (heats and semifinals) 5 August (final) |
| Competitors: | 48 |
| Nations: | 27 |
| Win Value: | 1:05.53 |
| Gold: | Yuliya Yefimova |
| Gold Nation: | RUS |
| Silver: | Rūta Meilutytė |
| Silver Nation: | LTU |
| Bronze: | Arianna Castiglioni |
| Bronze Nation: | ITA |
| Prev: | 2016 |
| Next: | 2020 |
The Women's 100 metre breaststroke competition of the 2018 European Aquatics Championships was held on 4 and 5 August 2018.[1] [2]
Prior to the competition, the existing world and championship records were as follows.
| Name | Nation | Time | Location | Date | ||
|---|---|---|---|---|---|---|
| World record | Lilly King | 1:04.13 | Budapest | 25 July 2017 | ||
| European record | Rūta Meilutytė | 1:04.35 | Barcelona | 29 July 2013 | ||
| Championship record | Rūta Meilutytė | 1:06.16 | London | 17 May 2016 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record | |
|---|---|---|---|---|---|---|
| 4 August | 1:05.87 | CR | ||||
| 5 August | 1:05.53 | CR |
The heats were started on 4 August at 09:50.[3]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 4 | 1:06.89 | Q | |||
| 2 | 4 | 5 | 1:07.13 | Q | |||
| 3 | 5 | 4 | 1:07.25 | Q | |||
| 4 | 4 | 3 | 1:07.32 | Q | |||
| 5 | 3 | 4 | 1:07.53 | Q | |||
| 6 | 4 | 6 | 1:07.62 | Q | |||
| 7 | 4 | 7 | 1:07.70 | Q | |||
| 8 | 5 | 6 | 1:07.83 | Q | |||
| 9 | 3 | 3 | 1:07.90 | Q | |||
| 10 | 3 | 6 | 1:07.92 | Q | |||
| 11 | 5 | 0 | 1:08.05 | Q | |||
| 12 | 3 | 7 | 1:08.17 | Q | |||
| 13 | 5 | 8 | 1:08.41 | Q | |||
| 14 | 4 | 8 | 1:08.48 | Q | |||
| 15 | 3 | 5 | 1:08.53 | Q | |||
| 15 | 3 | 8 | 1:08.53 | Q | |||
| 15 | 5 | 5 | 1:08.53 | ||||
| 18 | 4 | 2 | 1:08.56 | ||||
| 18 | 5 | 3 | 1:08.56 | ||||
| 20 | 3 | 2 | 1:08.64 | ||||
| 21 | 5 | 2 | 1:08.88 | ||||
| 22 | 1 | 4 | 1:08.93 | ||||
| 23 | 5 | 7 | 1:08.94 | ||||
| 24 | 2 | 5 | 1:08.99 | ||||
| 25 | 3 | 1 | 1:09.11 | ||||
| 26 | 5 | 9 | 1:09.14 | ||||
| 27 | 4 | 0 | 1:09.18 | ||||
| 28 | 5 | 1 | 1:09.22 | ||||
| 29 | 4 | 1 | 1:09.28 | ||||
| 30 | 2 | 6 | 1:09.31 | NR | |||
| 31 | 2 | 1 | 1:09.44 | ||||
| 32 | 3 | 0 | 1:09.70 | ||||
| 33 | 2 | 3 | 1:09.87 | ||||
| 34 | 2 | 2 | 1:09.91 | ||||
| 35 | 2 | 7 | 1:10.21 | ||||
| 36 | 1 | 6 | 1:10.35 | ||||
| 36 | 1 | 2 | 1:10.35 | ||||
| 38 | 1 | 3 | 1:10.49 | ||||
| 39 | 2 | 0 | 1:10.78 | ||||
| 40 | 1 | 5 | 1:10.96 | ||||
| 41 | 2 | 8 | 1:11.22 | ||||
| 42 | 3 | 9 | 1:11.44 | ||||
| 43 | 2 | 4 | 1:11.53 | ||||
| 44 | 1 | 1 | 1:11.80 | ||||
| 44 | 1 | 7 | 1:11.80 | ||||
| 46 | 1 | 8 | 1:11.97 | ||||
| 47 | 2 | 9 | 1:12.00 | ||||
| 48 | 4 | 9 | 1:12.18 |
The semifinals were held on 4 August at 17:31.[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 5 | 1:06.99 | Q | |||
| 2 | 4 | 1:07.01 | Q | |||
| 3 | 3 | 1:07.58 | Q | |||
| 4 | 6 | 1:07.71 | Q | |||
| 5 | 2 | 1:07.90 | ||||
| 6 | 7 | 1:07.95 | ||||
| 7 | 1 | 1:08.04 | ||||
| 8 | 8 | 1:08.40 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 5 | 1:05.87 | Q, CR | |||
| 2 | 3 | 1:07.08 | Q | |||
| 3 | 4 | 1:07.16 | Q | |||
| 4 | 6 | 1:07.61 | Q | |||
| 5 | 2 | 1:07.96 | ||||
| 6 | 1 | 1:08.36 | ||||
| 7 | 7 | 1:08.59 | ||||
| 8 | 8 | 1:08.76 |
The final was held on 5 August at 17:25.[5]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 1:05.53 | CR | ||||
| 2 | 1:06.26 | |||||
| 3 | 1:06.54 | |||||
| 4 | 6 | 1:06.98 | ||||
| 5 | 5 | 1:07.30 | ||||
| 6 | 7 | 1:07.55 | ||||
| 7 | 8 | 1:07.59 | ||||
| 8 | 1 | 1:07.67 |