| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.76 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m Breaststroke | 1:31.90 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Butterfly | 1:33.23 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m Freestyle | 1:11.50 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m IM | 1:27.37 | KBM Pentathlon | 2025-10-19 |
| 200m Breaststroke | 3:16.90 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Butterfly | 3:22.10 | 2026 February Freeze Invitational | 2026-02-14 |
| 200m Freestyle | 2:38.23 | 2026 February Freeze Invitational | 2026-02-14 |
| 200m IM | 2:54.04 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 400m Freestyle | 5:28.86 | BBST Fall Invitational 2025 | 2025-11-21 |
| 400m IM | 6:19.20 | 2026 February Freeze Invitational | 2026-02-14 |
| 50m Backstroke | 39.92 | KBM Pentathlon | 2025-10-19 |
| 50m Breaststroke | 42.86 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Butterfly | 39.21 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Freestyle | 32.73 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Duffey, Quinn's top personal bests include 100m Backstroke (1:25.76), 100m Breaststroke (1:31.90), 100m Butterfly (1:33.23), 100m Freestyle (1:11.50), 100m IM (1:27.37).
Duffey, Quinn swims for Swim Ottawa.
Duffey, Quinn has competed in 7 meets.