| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:24.53 | SKSC Fallfest | 2025-11-22 |
| 100m Breaststroke | 1:38.21 | SKSC Winterfest | 2026-01-24 |
| 100m Butterfly | 1:48.44 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 100m Freestyle | 1:21.19 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 100m IM | 1:31.95 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 200m Backstroke | 3:35.03 | RMSC Spring Invitational | 2025-03-08 |
| 200m Breaststroke | 4:01.41 | RMSC Spring Invitational | 2025-03-08 |
| 200m Freestyle | 2:51.39 | SKSC Fallfest | 2025-11-22 |
| 200m IM | 3:48.11 | RMSC Spring Invitational | 2025-03-08 |
| 400m Freestyle | 7:16.82 | RMSC Spring Invitational | 2025-03-08 |
| 50m Backstroke | 36.19 | SKSC Winterfest | 2026-01-24 |
| 50m Breaststroke | 46.47 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 50m Butterfly | 45.20 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 50m Freestyle | 32.68 | SKSC Winterfest | 2026-01-24 |
Cobden, Piper's top personal bests include 100m Backstroke (1:24.53), 100m Breaststroke (1:38.21), 100m Butterfly (1:48.44), 100m Freestyle (1:21.19), 100m IM (1:31.95).
Cobden, Piper swims for Vancouver Pacific Swim Club.
Cobden, Piper has competed in 4 meets.