| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.84 | 2025 NKB Fall Invitational | 2025-10-17 |
| 100m Breaststroke | 1:29.81 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 100m Freestyle | 1:06.03 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m IM | 1:15.78 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m Backstroke | 2:51.97 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m Breaststroke | 3:03.17 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m IM | 2:47.87 | 2025 NKB Fall Invitational | 2025-10-17 |
| 400m IM | 6:04.85 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Backstroke | 35.08 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Breaststroke | 39.36 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Freestyle | 29.40 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Pillay, Katie's top personal bests include 100m Backstroke (1:16.84), 100m Breaststroke (1:29.81), 100m Freestyle (1:06.03), 100m IM (1:15.78), 200m Backstroke (2:51.97).
Pillay, Katie swims for Nepean Kanata Barracudas Swim Club.
Pillay, Katie has competed in 6 meets.