| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:35.08 | Winter Waves Invitational | 2026-03-13 |
| 100m Freestyle | 1:26.35 | Winter Waves Invitational | 2026-03-13 |
| 200m Backstroke | 3:32.93 | Hard off the Block Invitational | 2026-02-20 |
| 200m Breaststroke | 4:30.09 | Icebreaker Invitational | 2026-01-30 |
| 200m Freestyle | 3:09.18 | Winter Waves Invitational | 2026-03-13 |
| 400m Freestyle | 6:50.62 | Winter Waves Invitational | 2026-03-13 |
| 50m Backstroke | 45.31 | Winter Waves Invitational | 2026-03-13 |
| 50m Breaststroke | 58.25 | West Coast Invitational | 2025-11-08 |
| 50m Butterfly | 59.88 | Icebreaker Invitational | 2026-01-30 |
| 50m Freestyle | 38.76 | Winter Waves Invitational | 2026-03-13 |
Harnett, Sophie's top personal bests include 100m Backstroke (1:35.08), 100m Freestyle (1:26.35), 200m Backstroke (3:32.93), 200m Breaststroke (4:30.09), 200m Freestyle (3:09.18).
Harnett, Sophie swims for Gander Lakers.
Harnett, Sophie has competed in 5 meets.