| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.63 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:39.78 | 2025 York Invitational | 2025-11-15 |
| 100m Freestyle | 1:16.13 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:32.12 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 2:56.62 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 2:50.68 | 2025 York Invitational | 2025-11-15 |
| 200m IM | 3:05.79 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 38.58 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 46.35 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 34.14 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Zawarynski, Ethan's top personal bests include 100m Backstroke (1:25.63), 100m Breaststroke (1:39.78), 100m Freestyle (1:16.13), 100m IM (1:32.12), 200m Backstroke (2:56.62).
Zawarynski, Ethan swims for Etobicoke Swim Club.
Zawarynski, Ethan has competed in 8 meets.