| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.66 | 2025 NRST Fall Invitational | 2025-10-25 |
| 100m Breaststroke | 1:25.53 | 2026 VIR SC Championships | 2026-01-30 |
| 100m Freestyle | 1:00.16 | 2026 VIR SC Championships | 2026-01-30 |
| 200m Backstroke | 2:45.16 | 2026 West Coast Collegiate | 2026-02-21 |
| 200m Freestyle | 2:14.30 | 2026 VIR SC Championships | 2026-01-30 |
| 200m IM | 2:35.61 | 2026 VIR SC Championships | 2026-01-30 |
| 400m Freestyle | 4:40.26 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 400m IM | 5:34.98 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Backstroke | 34.33 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Breaststroke | 36.34 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 50m Butterfly | 34.46 | 2025 NRST Fall Invitational | 2025-10-25 |
| 50m Freestyle | 27.69 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 800m Freestyle | 9:44.53 | 2026 VIR SC Championships | 2026-01-30 |
McArthur, Kenzie's top personal bests include 100m Backstroke (1:19.66), 100m Breaststroke (1:25.53), 100m Freestyle (1:00.16), 200m Backstroke (2:45.16), 200m Freestyle (2:14.30).
McArthur, Kenzie swims for Campbell River Killer Whales.
McArthur, Kenzie has competed in 7 meets.