| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.52 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 100m Breaststroke | 1:44.47 | Nose Creek Invitational 2026 | 2026-03-14 |
| 100m Butterfly | 1:28.36 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 100m Freestyle | 1:15.78 | Nose Creek Invitational 2026 | 2026-03-14 |
| 100m IM | 1:30.85 | Summer Festival | 2025-06-13 |
| 200m Backstroke | 3:05.66 | Nose Creek Invitational 2026 | 2026-03-14 |
| 200m Freestyle | 2:47.23 | Nose Creek Invitational 2026 | 2026-03-14 |
| 200m IM | 3:23.13 | 2025 KSC SC Invitational | 2025-11-21 |
| 400m Freestyle | 5:51.69 | Nose Creek Invitational 2026 | 2026-03-14 |
| 50m Backstroke | 39.53 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 50m Breaststroke | 46.99 | Nose Creek Invitational 2026 | 2026-03-14 |
| 50m Butterfly | 37.98 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 50m Freestyle | 34.15 | Nose Creek Invitational 2026 | 2026-03-14 |
Thai, Mason's top personal bests include 100m Backstroke (1:26.52), 100m Breaststroke (1:44.47), 100m Butterfly (1:28.36), 100m Freestyle (1:15.78), 100m IM (1:30.85).
Thai, Mason swims for Killarney Swim Club.
Thai, Mason has competed in 6 meets.