| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.85 | 2025 Prairie Winter International | 2025-12-11 |
| 100m Freestyle | 1:12.93 | 2025 Prairie Winter International | 2025-12-11 |
| 100m IM | 1:23.81 | Seals West Side Challenge | 2025-11-28 |
| 200m Backstroke | 2:47.16 | 2026 Manta Grand Prix | 2026-02-20 |
| 200m Freestyle | 2:32.08 | 2025 Prairie Winter International | 2025-12-11 |
| 200m IM | 2:56.95 | 2026 Manta Grand Prix | 2026-02-20 |
| 400m Freestyle | 5:27.34 | 2026 Manta Grand Prix | 2026-02-20 |
| 50m Backstroke | 36.92 | The Steve Molloy Invitational 2025 | 2025-11-07 |
| 50m Breaststroke | 45.86 | Bison Sprint IM Invitational | 2026-01-10 |
| 50m Butterfly | 37.86 | Bison Sprint IM Invitational | 2026-01-10 |
| 50m Freestyle | 32.41 | St. James Seals Invitational | 2026-01-23 |
Claire Gagnon's top personal bests include 100m Backstroke (1:18.85), 100m Freestyle (1:12.93), 100m IM (1:23.81), 200m Backstroke (2:47.16), 200m Freestyle (2:32.08).
Claire Gagnon swims for University of Manitoba.
Claire Gagnon has competed in 7 meets.