| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.33 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 100m Breaststroke | 1:30.19 | Edmonton Open 2026 | 2026-01-30 |
| 100m Breaststroke | 1:23.30 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 100m Butterfly | 1:20.45 | Titans Medley Add-Up | 2026-03-07 |
| 100m Freestyle | 1:02.70 | Edmonton Open 2026 | 2026-01-30 |
| 100m Freestyle | 1:01.33 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 200m Breaststroke | 3:02.44 | Edmonton Open 2026 | 2026-01-30 |
| 200m Breaststroke | 2:59.42 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 200m Freestyle | 2:17.90 | Edmonton Open 2026 | 2026-01-30 |
| 200m Freestyle | 2:13.40 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 200m IM | 2:36.22 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 400m Freestyle | 4:57.25 | Edmonton Open 2026 | 2026-01-30 |
| 400m Freestyle | 4:52.03 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Backstroke | 35.23 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 50m Breaststroke | 39.46 | Edmonton Open 2026 | 2026-01-30 |
| 50m Breaststroke | 38.04 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 50m Butterfly | 34.97 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 50m Freestyle | 29.70 | Edmonton Open 2026 | 2026-01-30 |
| 50m Freestyle | 28.19 | 2025 NRST Ugly Sweater | 2025-12-12 |
Hamilton, Cohen's top personal bests include 100m Backstroke (1:17.33), 100m Breaststroke (1:30.19), 100m Breaststroke (1:23.30), 100m Butterfly (1:20.45), 100m Freestyle (1:02.70).
Hamilton, Cohen swims for Squamish Pirates Swim Club.
Hamilton, Cohen has competed in 8 meets.