| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:04.09 | Western Region Short Course Championships | 2026-02-12 |
| 100m Breaststroke | 1:21.65 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Butterfly | 1:09.54 | Western Region Short Course Championships | 2026-02-12 |
| 100m Freestyle | 59.61 | Western Region Short Course Championships | 2026-02-12 |
| 100m IM | 1:11.08 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 200m Freestyle | 2:24.30 | 2025 NYAC Cup | 2025-11-14 |
| 200m IM | 2:38.30 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 400m Freestyle | 5:17.39 | 2025 NYAC Cup | 2025-11-14 |
| 50m Backstroke | 29.05 | Western Region Short Course Championships | 2026-02-12 |
| 50m Butterfly | 29.08 | Western Region Short Course Championships | 2026-02-12 |
| 50m Freestyle | 26.89 | Western Region Short Course Championships | 2026-02-12 |
Kandegama, Thinuga's top personal bests include 100m Backstroke (1:04.09), 100m Breaststroke (1:21.65), 100m Butterfly (1:09.54), 100m Freestyle (59.61), 100m IM (1:11.08).
Kandegama, Thinuga swims for Club Warriors Swimming.
Kandegama, Thinuga has competed in 8 meets.