| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:47.03 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Breaststroke | 2:03.53 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Freestyle | 1:32.14 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 200m Freestyle | 3:18.34 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 50m Backstroke | 46.37 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 50m Breaststroke | 56.08 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 50m Butterfly | 51.92 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 50m Freestyle | 40.07 | 2026 OSHAC Durham Cup | 2026-01-31 |
Maclachlan, Charlotte's top personal bests include 100m Backstroke (1:47.03), 100m Breaststroke (2:03.53), 100m Freestyle (1:32.14), 200m Freestyle (3:18.34), 50m Backstroke (46.37).
Maclachlan, Charlotte swims for Uxbridge Swim Club.
Maclachlan, Charlotte has competed in 4 meets.