| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:21.25 | MAC Summer Invitational | 2025-07-24 |
| 100m Breaststroke | 1:16.45 | KBM Heats & Finals | 2026-02-20 |
| 100m Butterfly | 1:06.17 | MAC Summer Invitational | 2025-07-24 |
| 100m Butterfly | 1:06.46 | KBM Distance & Development | 2025-11-08 |
| 100m Freestyle | 1:00.73 | MAC Summer Invitational | 2025-07-24 |
| 100m Freestyle | 59.85 | KBM Heats & Finals | 2026-02-20 |
| 200m Butterfly | 2:25.61 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Butterfly | 2:32.10 | KBM Distance & Development | 2025-11-08 |
| 200m Freestyle | 2:09.32 | KBM Distance & Development | 2025-11-08 |
| 200m IM | 2:31.18 | MAC Summer Invitational | 2025-07-24 |
| 200m IM | 2:29.33 | KBM Heats & Finals | 2026-02-20 |
| 400m Freestyle | 4:40.67 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Breaststroke | 33.31 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Butterfly | 30.05 | MAC Summer Invitational | 2025-07-24 |
| 50m Butterfly | 29.50 | KBM Heats & Finals | 2026-02-20 |
| 50m Freestyle | 27.70 | MAC Summer Invitational | 2025-07-24 |
| 50m Freestyle | 26.15 | KBM Heats & Finals | 2026-02-20 |
| 800m Freestyle | 9:45.64 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 800m Freestyle | 9:21.87 | Perth Candy Cane Meet | 2025-12-12 |
Fowkes, Percy's top personal bests include 100m Breaststroke (1:21.25), 100m Breaststroke (1:16.45), 100m Butterfly (1:06.17), 100m Butterfly (1:06.46), 100m Freestyle (1:00.73).
Fowkes, Percy swims for Swim Ottawa.
Fowkes, Percy has competed in 5 meets.