| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:22.10 | 2026 NKB National Capital Cup | 2026-02-13 |
| 100m Butterfly | 1:04.01 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Butterfly | 1:03.83 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Freestyle | 1:00.12 | 2026 NKB National Capital Cup | 2026-02-13 |
| 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 |
| 200m Backstroke | 2:34.89 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m Breaststroke | 3:01.42 | 2026 NKB National Capital Cup | 2026-02-13 |
| 200m Butterfly | 2:26.41 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Butterfly | 2:23.28 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Freestyle | 2:06.57 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Freestyle | 2:07.80 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m IM | 2:33.76 | 2026 NKB National Capital Cup | 2026-02-13 |
| 200m IM | 2:31.71 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 400m Freestyle | 4:48.68 | 2026 NKB Winter Invitational Long Course | 2026-01-16 |
| 400m Freestyle | 4:41.97 | 2025 NKB Fall Invitational | 2025-10-17 |
| 400m IM | 5:27.09 | 2026 NKB Winter Invitational Long Course | 2026-01-16 |
| 50m Butterfly | 29.01 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Butterfly | 28.74 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Freestyle | 27.35 | 2026 NKB National Capital Cup | 2026-02-13 |
| 50m Freestyle | 26.62 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 800m Freestyle | 10:00.98 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 800m Freestyle | 9:55.13 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Cook, James's top personal bests include 100m Breaststroke (1:22.10), 100m Butterfly (1:04.01), 100m Butterfly (1:03.83), 100m Freestyle (1:00.12), 100m Freestyle (58.80).
Cook, James swims for Nepean Kanata Barracudas Swim Club.
Cook, James has competed in 7 meets.