| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:17.52 | Hall of Fame | 2025-10-18 |
| 100m Butterfly | 1:02.85 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Freestyle | 58.77 | 2025 MSSAC Open | 2025-12-19 |
| 200m Backstroke | 2:42.91 | 2025 HAC Steeltown Invitational | 2025-11-28 |
| 200m Breaststroke | 2:43.41 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Butterfly | 2:17.97 | Western Region Short Course Championships | 2026-02-12 |
| 200m Freestyle | 2:06.12 | Western Region Short Course Championships | 2026-02-12 |
| 200m IM | 2:29.36 | Hall of Fame | 2025-10-18 |
| 400m Freestyle | 4:40.25 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Breaststroke | 34.16 | 2025 MSSAC Open | 2025-12-19 |
| 50m Butterfly | 28.78 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Freestyle | 27.05 | 2025 MSSAC Open | 2025-12-19 |
| 800m Freestyle | 9:27.37 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
Allington, Piers's top personal bests include 100m Breaststroke (1:17.52), 100m Butterfly (1:02.85), 100m Freestyle (58.77), 200m Backstroke (2:42.91), 200m Breaststroke (2:43.41).
Allington, Piers swims for Burlington Aquatic Devilrays.
Allington, Piers has competed in 11 meets.