| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.42 | Perth Candy Cane Meet | 2025-12-12 |
| 100m Breaststroke | 1:55.65 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m Butterfly | 1:35.08 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m Freestyle | 1:20.23 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m IM | 1:35.96 | KBM Pentathlon | 2025-10-19 |
| 200m Butterfly | 3:29.32 | 2026 February Freeze Invitational | 2026-02-14 |
| 200m Freestyle | 3:00.03 | BBST Fall Invitational 2025 | 2025-11-21 |
| 200m IM | 3:27.71 | Perth Candy Cane Meet | 2025-12-12 |
| 400m IM | 6:59.15 | 2026 February Freeze Invitational | 2026-02-14 |
| 50m Backstroke | 43.62 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Breaststroke | 53.47 | KBM Pentathlon | 2025-10-19 |
| 50m Butterfly | 42.78 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Freestyle | 37.69 | KBM Pentathlon | 2025-10-19 |
| 800m Freestyle | 13:20.43 | BBST Fall Invitational 2025 | 2025-11-21 |
Bornstein, Penelope's top personal bests include 100m Backstroke (1:34.42), 100m Breaststroke (1:55.65), 100m Butterfly (1:35.08), 100m Freestyle (1:20.23), 100m IM (1:35.96).
Bornstein, Penelope swims for Swim Ottawa.
Bornstein, Penelope has competed in 5 meets.