| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.87 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 100m Breaststroke | 1:57.76 | FinsUp 1 | 2025-10-26 |
| 100m Butterfly | 1:59.33 | Border City Invitational 2025 | 2025-12-05 |
| 100m Freestyle | 1:28.24 | FinsUp 1 | 2025-10-26 |
| 100m IM | 1:40.80 | Blenheim Blast Seal Meet | 2025-11-30 |
| 200m Freestyle | 3:29.70 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m IM | 3:55.73 | Border City Invitational 2025 | 2025-12-05 |
| 50m Backstroke | 48.34 | Blenheim Blast Seal Meet | 2025-11-30 |
| 50m Breaststroke | 54.83 | CYPS SEAL League Meet | 2026-02-08 |
| 50m Butterfly | 47.59 | Blenheim Blast Seal Meet | 2025-11-30 |
| 50m Freestyle | 42.96 | Border City Invitational 2025 | 2025-12-05 |
Nichol, Dean's top personal bests include 100m Backstroke (1:42.87), 100m Breaststroke (1:57.76), 100m Butterfly (1:59.33), 100m Freestyle (1:28.24), 100m IM (1:40.80).
Nichol, Dean swims for Blenheim Blast.
Nichol, Dean has competed in 9 meets.