Record History
Region of Waterloo Swim Club - ROW
Waterloo, Western, Ontario - Canada
50 Butterfly
| Record | Holder | When | |
|---|---|---|---|
| 00:29.56 | Aly Laing | Jan, 2026 | |
| 00:30.41 | Hannah Gallagher | Jun, 2018 | |
| 00:30.43 | Stephanie Zhang | ||
| Total: 3 records | |||
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