| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:32.80 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Breaststroke | 1:44.49 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Freestyle | 1:16.75 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Freestyle | 2:50.62 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m IM | 3:15.54 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Backstroke | 42.78 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Breaststroke | 47.39 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Freestyle | 34.10 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 800m Freestyle | 12:36.76 | 2025 HAC Steeltown Invitational | 2025-11-28 |
Hird, Thea's top personal bests include 100m Backstroke (1:32.80), 100m Breaststroke (1:44.49), 100m Freestyle (1:16.75), 200m Freestyle (2:50.62), 200m IM (3:15.54).
Hird, Thea swims for Hamilton Aquatic Club.
Hird, Thea has competed in 7 meets.