| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:50.58 | MAC Rising Star #2 | 2025-05-30 |
| 100m Backstroke | 1:34.49 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:51.26 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:42.68 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:36.03 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:23.00 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 3:19.58 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:24.58 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m Freestyle | 3:05.47 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m IM | 3:55.30 | MAC Rising Star #2 | 2025-05-30 |
| 200m IM | 3:25.39 | David Lawson Invitational 2026 | 2026-01-23 |
| 400m Freestyle | 6:35.48 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 52.23 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 43.70 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 59.25 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 49.92 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 44.17 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Freestyle | 42.63 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Freestyle | 37.92 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Thattai, Kiara's top personal bests include 100m Backstroke (1:50.58), 100m Backstroke (1:34.49), 100m Breaststroke (1:51.26), 100m Butterfly (1:42.68), 100m Freestyle (1:36.03).
Thattai, Kiara swims for Oakville Aquatic Club.
Thattai, Kiara has competed in 8 meets.