| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.82 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 100m Breaststroke | 1:30.64 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 100m Freestyle | 1:10.72 | Otters Spooky Splash 2025 | 2025-10-24 |
| 100m IM | 1:25.68 | 2026 Trojan Pentathlon | 2026-03-06 |
| 1500m Freestyle | 4:31.02 | Otters Devo & Distance Winter Waves | 2026-01-24 |
| 200m Freestyle | 2:33.47 | Otters Spooky Splash 2025 | 2025-10-24 |
| 200m IM | 2:58.13 | Otters Spooky Splash 2025 | 2025-10-24 |
| 50m Backstroke | 36.88 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 50m Breaststroke | 40.75 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 50m Butterfly | 38.62 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 32.20 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 800m Freestyle | 11:24.18 | 2025 BTSC Trojan Cup | 2025-12-12 |
Cox, Kirra's top personal bests include 100m Backstroke (1:23.82), 100m Breaststroke (1:30.64), 100m Freestyle (1:10.72), 100m IM (1:25.68), 1500m Freestyle (4:31.02).
Cox, Kirra swims for Orangeville Otters Swim Club.
Cox, Kirra has competed in 10 meets.