| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:27.29 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m Freestyle | 1:13.68 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m IM | 1:20.58 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 200m Backstroke | 3:00.49 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 200m Breaststroke | 3:15.36 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Backstroke | 37.11 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Breaststroke | 38.44 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Butterfly | 38.29 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Freestyle | 31.78 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
Thomliston, Lucy's top personal bests include 100m Breaststroke (1:27.29), 100m Freestyle (1:13.68), 100m IM (1:20.58), 200m Backstroke (3:00.49), 200m Breaststroke (3:15.36).
Thomliston, Lucy swims for Swift Current Barracudas Swim Club.
Thomliston, Lucy has competed in 3 meets.