| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:05.90 | Goldfins Winter Whiteout | 2026-02-06 |
| 100m Butterfly | 1:03.17 | ManSask Provincial Championships | 2025-07-10 |
| 100m Butterfly | 1:09.63 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 100m Freestyle | 56.60 | Goldfins Winter Whiteout | 2026-02-06 |
| 100m Freestyle | 53.94 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 200m Backstroke | 2:25.45 | Goldfins Winter Whiteout | 2026-02-06 |
| 200m Backstroke | 2:18.40 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 200m Freestyle | 2:03.55 | Goldfins Winter Whiteout | 2026-02-06 |
| 200m Freestyle | 1:59.92 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 200m IM | 2:22.87 | ManSask Provincial Championships | 2025-07-10 |
| 200m IM | 2:17.03 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 400m Freestyle | 4:31.64 | ManSask Provincial Championships | 2025-07-10 |
| 400m Freestyle | 4:28.78 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Backstroke | 29.51 | Goldfins Winter Whiteout | 2026-02-06 |
| 50m Backstroke | 28.39 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Breaststroke | 34.34 | Goldfins Winter Whiteout | 2026-02-06 |
| 50m Breaststroke | 33.04 | Cougars/Bisons Dual Meet #1 | 2025-10-11 |
| 50m Butterfly | 27.14 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 50m Freestyle | 26.21 | Goldfins Winter Whiteout | 2026-02-06 |
| 50m Freestyle | 25.13 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 800m Freestyle | 9:48.59 | Goldfins Winter Whiteout | 2026-02-06 |
DeLathouwer, James's top personal bests include 100m Backstroke (1:05.90), 100m Butterfly (1:03.17), 100m Butterfly (1:09.63), 100m Freestyle (56.60), 100m Freestyle (53.94).
DeLathouwer, James swims for Team Gold.
DeLathouwer, James has competed in 8 meets.