| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.51 | SKSC Winterfest | 2026-01-24 |
| 100m Breaststroke | 1:40.98 | Delta March LMR | 2026-03-14 |
| 100m Butterfly | 1:32.93 | SKSC Winterfest | 2026-01-24 |
| 100m Freestyle | 1:19.57 | SKSC Summerfest 2025 | 2025-07-26 |
| 200m Freestyle | 2:59.39 | Delta March LMR | 2026-03-14 |
| 200m IM | 3:09.31 | SKSC Winterfest | 2026-01-24 |
| 50m Backstroke | 39.48 | SKSC Winterfest | 2026-01-24 |
| 50m Breaststroke | 50.92 | SKSC Summerfest 2025 | 2025-07-26 |
| 50m Butterfly | 39.26 | SKSC Winterfest | 2026-01-24 |
| 50m Freestyle | 34.88 | SKSC Winterfest | 2026-01-24 |
Deng, Tiffany's top personal bests include 100m Backstroke (1:27.51), 100m Breaststroke (1:40.98), 100m Butterfly (1:32.93), 100m Freestyle (1:19.57), 200m Freestyle (2:59.39).
Deng, Tiffany swims for West Vancouver Otters Swim Club.
Deng, Tiffany has competed in 5 meets.