| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:30.08 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:46.36 | Border City Invitational 2025 | 2025-12-05 |
| 100m Butterfly | 1:30.46 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Freestyle | 1:12.85 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 3:20.07 | Border City Invitational 2025 | 2025-12-05 |
| 200m Freestyle | 2:41.72 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 43.35 | Border City Invitational 2025 | 2025-12-05 |
| 50m Breaststroke | 50.22 | Paul Corkum Memorial 2025 | 2025-10-18 |
| 50m Butterfly | 37.72 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Freestyle | 33.30 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Miller, Ethan's top personal bests include 100m Backstroke (1:30.08), 100m Breaststroke (1:46.36), 100m Butterfly (1:30.46), 100m Freestyle (1:12.85), 200m Backstroke (3:20.07).
Miller, Ethan swims for Toronto Olympian Swim Team.
Miller, Ethan has competed in 5 meets.