| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:12.97 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Breaststroke | 1:18.50 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 100m Breaststroke | 1:15.66 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Butterfly | 1:12.02 | 2026 Wavemaker | 2026-04-17 |
| 100m Freestyle | 1:02.69 | 2026 Wavemaker | 2026-04-17 |
| 100m Freestyle | 1:00.55 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m Breaststroke | 2:47.34 | 2026 Wavemaker | 2026-04-17 |
| 200m Breaststroke | 2:40.44 | 2026 VIR SC Championships | 2026-01-30 |
| 200m Freestyle | 2:13.44 | 2026 Wavemaker | 2026-04-17 |
| 200m Freestyle | 2:08.30 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m IM | 2:32.27 | 2026 Wavemaker | 2026-04-17 |
| 200m IM | 2:28.67 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 400m Freestyle | 4:40.36 | 2026 Wavemaker | 2026-04-17 |
| 400m Freestyle | 4:31.18 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 400m IM | 5:39.86 | 2025 VIR Championships | 2025-06-20 |
| 400m IM | 5:11.20 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Breaststroke | 36.55 | 2026 Wavemaker | 2026-04-17 |
| 50m Breaststroke | 35.37 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Butterfly | 31.63 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Freestyle | 30.67 | 2025 VIR Championships | 2025-06-20 |
| 800m Freestyle | 9:45.87 | 2025 ISC Bennett Cup | 2025-11-07 |
McLaren, Katie's top personal bests include 100m Backstroke (1:12.97), 100m Breaststroke (1:18.50), 100m Breaststroke (1:15.66), 100m Butterfly (1:12.02), 100m Freestyle (1:02.69).
McLaren, Katie swims for UVic-Pacific Coast Swimming.
McLaren, Katie has competed in 8 meets.