| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:29.48 | Edmonton Open 2026 | 2026-01-30 |
| 100m Breaststroke | 1:26.90 | 2025 Prairie Winter International | 2025-12-11 |
| 100m Butterfly | 1:21.96 | MAC Summer Invitational | 2025-07-24 |
| 100m Butterfly | 1:16.94 | 2025 Prairie Winter International | 2025-12-11 |
| 100m Freestyle | 1:07.42 | Edmonton Open 2026 | 2026-01-30 |
| 100m Freestyle | 1:04.82 | 2025 Prairie Winter International | 2025-12-11 |
| 100m IM | 1:16.14 | Bison Sprint IM Invitational | 2026-01-10 |
| 200m Breaststroke | 3:13.74 | Edmonton Open 2026 | 2026-01-30 |
| 200m Freestyle | 2:29.72 | ManSask Provincial Championships | 2025-07-10 |
| 200m Freestyle | 2:24.92 | 2025 Prairie Winter International | 2025-12-11 |
| 200m IM | 2:50.37 | ManSask Provincial Championships | 2025-07-10 |
| 400m Freestyle | 5:01.87 | The Steve Molloy Invitational 2025 | 2025-11-07 |
| 400m IM | 5:53.61 | Seals West Side Challenge | 2025-11-28 |
| 50m Breaststroke | 40.55 | Edmonton Open 2026 | 2026-01-30 |
| 50m Breaststroke | 39.42 | Bison Sprint IM Invitational | 2026-01-10 |
| 50m Butterfly | 34.35 | Edmonton Open 2026 | 2026-01-30 |
| 50m Butterfly | 33.12 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Freestyle | 30.98 | Edmonton Open 2026 | 2026-01-30 |
| 50m Freestyle | 29.91 | Seals West Side Challenge | 2025-11-28 |
Horne, Kate's top personal bests include 100m Breaststroke (1:29.48), 100m Breaststroke (1:26.90), 100m Butterfly (1:21.96), 100m Butterfly (1:16.94), 100m Freestyle (1:07.42).
Horne, Kate swims for Manitoba Marlins.
Horne, Kate has competed in 9 meets.