| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.06 | 2025 Candy Cane Invitational | 2025-12-12 |
| 100m Breaststroke | 1:31.81 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 100m Butterfly | 1:11.57 | East Coast Championships | 2025-07-10 |
| 100m Butterfly | 1:10.86 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 100m Freestyle | 1:09.87 | East Coast Championships | 2025-07-10 |
| 100m Freestyle | 1:05.97 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 100m IM | 1:15.33 | 2025 DAL Sprint Meet | 2025-10-19 |
| 200m Backstroke | 2:58.20 | AAA LCM #3 | 2025-05-23 |
| 200m Butterfly | 2:51.80 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 200m Butterfly | 2:42.11 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Freestyle | 2:30.50 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 200m Freestyle | 2:22.68 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m IM | 2:49.02 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 200m IM | 2:46.27 | 2025 NYAC Cup | 2025-11-14 |
| 400m Freestyle | 5:13.34 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 400m Freestyle | 5:01.50 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m IM | 6:15.29 | 2025 AGD Distance Central | 2025-11-01 |
| 50m Backstroke | 38.83 | AAA LCM #3 | 2025-05-23 |
| 50m Backstroke | 35.73 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Breaststroke | 46.27 | AAA LCM #3 | 2025-05-23 |
| 50m Breaststroke | 43.19 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Butterfly | 31.94 | East Coast Championships | 2025-07-10 |
| 50m Butterfly | 31.86 | 2025 Candy Cane Invitational | 2025-12-12 |
| 50m Freestyle | 32.21 | East Coast Championships | 2025-07-10 |
| 50m Freestyle | 31.07 | 2025 Candy Cane Invitational | 2025-12-12 |
| 800m Freestyle | 11:10.05 | 2025 AGD Distance Central | 2025-11-01 |
Stiles, Philippa's top personal bests include 100m Backstroke (1:17.06), 100m Breaststroke (1:31.81), 100m Butterfly (1:11.57), 100m Butterfly (1:10.86), 100m Freestyle (1:09.87).
Stiles, Philippa swims for Halifax Trojan Aquatic Club.
Stiles, Philippa has competed in 11 meets.