| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:03.83 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Freestyle | 58.80 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m IM | 1:08.94 | 2025 NKB Fall Invitational | 2025-10-17 |
| 1500m Freestyle | 2:07.26 | KBM Distance & Development | 2025-11-08 |
| 200m Backstroke | 2:34.89 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m Butterfly | 2:23.28 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Freestyle | 2:07.80 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m IM | 2:31.71 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 400m Freestyle | 4:41.97 | 2025 NKB Fall Invitational | 2025-10-17 |
| 50m Butterfly | 28.74 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Freestyle | 26.62 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 800m Freestyle | 9:55.13 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Cook, James's top personal bests include 100m Butterfly (1:03.83), 100m Freestyle (58.80), 100m IM (1:08.94), 1500m Freestyle (2:07.26), 200m Backstroke (2:34.89).
Cook, James swims for Nepean Kanata Barracudas Swim Club.
Cook, James has competed in 8 meets.