| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.66 | Goldfins Pentathlon | 2026-02-07 |
| 100m Backstroke | 1:41.18 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 100m Breaststroke | 1:51.52 | Goldfins Pentathlon | 2026-02-07 |
| 100m Breaststroke | 1:49.02 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 100m Butterfly | 1:58.00 | Goldfins Pentathlon | 2026-02-07 |
| 100m Freestyle | 1:24.75 | Winter Classic | 2026-01-16 |
| 100m Freestyle | 1:24.54 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m IM | 1:38.42 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 200m Backstroke | 3:32.15 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 200m Breaststroke | 3:57.16 | Winter Classic | 2026-01-16 |
| 200m Breaststroke | 4:06.98 | Craven Sport Services Racing Series #4 | 2025-06-07 |
| 200m Freestyle | 3:09.17 | Winter Classic | 2026-01-16 |
| 200m Freestyle | 3:13.05 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 200m IM | 3:37.91 | Goldfins Pentathlon | 2026-02-07 |
| 200m IM | 3:24.26 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 400m Freestyle | 6:50.70 | Winter Classic | 2026-01-16 |
| 400m Freestyle | 6:40.31 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 50m Backstroke | 44.81 | Winter Classic | 2026-01-16 |
| 50m Backstroke | 46.12 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Breaststroke | 51.67 | Winter Classic | 2026-01-16 |
| 50m Breaststroke | 48.58 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Butterfly | 43.21 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Freestyle | 35.35 | Winter Classic | 2026-01-16 |
| 50m Freestyle | 34.75 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
Koroll, Charlotte's top personal bests include 100m Backstroke (1:42.66), 100m Backstroke (1:41.18), 100m Breaststroke (1:51.52), 100m Breaststroke (1:49.02), 100m Butterfly (1:58.00).
Koroll, Charlotte swims for Team Gold.
Koroll, Charlotte has competed in 6 meets.