| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:43.81 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m Breaststroke | 1:52.50 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Freestyle | 1:31.17 | Hall of Fame | 2025-10-18 |
| 200m Backstroke | 3:27.92 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Breaststroke | 3:53.60 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Freestyle | 3:01.84 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m IM | 3:35.54 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 400m Freestyle | 7:00.15 | 2025 HAC Steeltown Invitational | 2025-11-28 |
| 50m Backstroke | 47.78 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Breaststroke | 53.30 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Butterfly | 50.26 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Freestyle | 38.61 | 2026 Joanne Malar Invitational | 2026-01-16 |
Thomas, Ethan's top personal bests include 100m Backstroke (1:43.81), 100m Breaststroke (1:52.50), 100m Freestyle (1:31.17), 200m Backstroke (3:27.92), 200m Breaststroke (3:53.60).
Thomas, Ethan swims for Hamilton Aquatic Club.
Thomas, Ethan has competed in 8 meets.