| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.17 | 2026 Manta Grand Prix | 2026-02-20 |
| 100m Breaststroke | 2:02.17 | 2026 Manta Grand Prix | 2026-02-20 |
| 100m Freestyle | 1:24.48 | 2026 Manta Grand Prix | 2026-02-20 |
| 50m Backstroke | 44.33 | St. James Seals Invitational | 2026-01-23 |
| 50m Breaststroke | 53.36 | St. James Seals Invitational | 2026-01-23 |
| 50m Freestyle | 35.37 | 2026 Manta Grand Prix | 2026-02-20 |
Duong, Ethan's top personal bests include 100m Backstroke (1:42.17), 100m Breaststroke (2:02.17), 100m Freestyle (1:24.48), 50m Backstroke (44.33), 50m Breaststroke (53.36).
Duong, Ethan swims for Manta Swim Club.
Duong, Ethan has competed in 5 meets.