| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:08.04 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 100m Backstroke | 1:03.98 | 2025 Canada West Swimming Championship | 2025-11-28 |
| 100m Butterfly | 1:04.09 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 100m Butterfly | 1:02.47 | 2025 Canada West Swimming Championship | 2025-11-28 |
| 100m Freestyle | 1:02.06 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 50m Backstroke | 29.64 | UBC University Cup Pacific 2025 | 2025-11-08 |
| 50m Butterfly | 28.43 | UVic - SFU Dual Meet | 2026-01-31 |
Shanna Tierney's top personal bests include 100m Backstroke (1:08.04), 100m Backstroke (1:03.98), 100m Butterfly (1:04.09), 100m Butterfly (1:02.47), 100m Freestyle (1:02.06).
Shanna Tierney swims for University of Victoria.
Shanna Tierney has competed in 6 meets.