| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.57 | UCSC Spring Start-up | 2026-04-25 |
| 100m Backstroke | 1:17.99 | Winter Festival | 2026-01-23 |
| 100m Breaststroke | 1:30.17 | Winter Festival | 2026-01-23 |
| 100m Butterfly | 1:17.85 | Winter Provincial Trials | 2026-03-06 |
| 100m Freestyle | 1:07.28 | UCSC Spring Start-up | 2026-04-25 |
| 100m Freestyle | 1:06.94 | Winter Provincial Trials | 2026-03-06 |
| 100m IM | 1:18.64 | UCSC TC1-Special | 2025-10-17 |
| 200m Backstroke | 2:36.33 | Winter Provincial Trials | 2026-03-06 |
| 200m Breaststroke | 3:23.94 | Summer Festival | 2025-06-13 |
| 200m Butterfly | 3:02.34 | UCSC Grand Prix | 2026-01-30 |
| 200m Freestyle | 2:24.84 | Winter Provincial Trials | 2026-03-06 |
| 200m IM | 2:46.86 | UCSC Spring Start-up | 2026-04-25 |
| 200m IM | 2:42.20 | Winter Provincial Trials | 2026-03-06 |
| 400m Freestyle | 5:36.90 | UCSC Grand Prix | 2026-01-30 |
| 50m Backstroke | 34.98 | UCSC Holiday Classic | 2025-12-13 |
| 50m Breaststroke | 42.66 | UCSC Spring Start-up | 2026-04-25 |
| 50m Breaststroke | 42.25 | UCSC Fall Start Up | 2025-10-18 |
| 50m Butterfly | 32.82 | UCSC Spring Start-up | 2026-04-25 |
| 50m Butterfly | 34.09 | Winter Festival | 2026-01-23 |
| 50m Freestyle | 30.24 | UCSC Spring Start-up | 2026-04-25 |
| 50m Freestyle | 29.54 | Winter Festival | 2026-01-23 |
Holloway, Penelope's top personal bests include 100m Backstroke (1:17.57), 100m Backstroke (1:17.99), 100m Breaststroke (1:30.17), 100m Butterfly (1:17.85), 100m Freestyle (1:07.28).
Holloway, Penelope swims for Calgary Swimming.
Holloway, Penelope has competed in 9 meets.