| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:35.59 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Breaststroke | 1:43.81 | 2025 Alan Swanston Classic | 2025-12-05 |
| 100m Butterfly | 1:38.77 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:21.07 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Backstroke | 4:03.48 | RHAC Fall Classic 2025 | 2025-10-24 |
| 200m Breaststroke | 3:28.51 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Butterfly | 4:11.77 | 2025 Alan Swanston Classic | 2025-12-05 |
| 200m Freestyle | 2:53.59 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m IM | 3:16.01 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 400m Freestyle | 7:39.93 | 2025 Fall Distance Time Trial | 2025-11-15 |
| 50m Breaststroke | 43.60 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Butterfly | 51.41 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Freestyle | 39.27 | 2025 Alan Swanston Classic | 2025-12-05 |
| 800m Freestyle | 15:32.99 | 2025 Fall Distance Time Trial | 2025-11-15 |
Sirirutanaprapan, Narath's top personal bests include 100m Backstroke (1:35.59), 100m Breaststroke (1:43.81), 100m Butterfly (1:38.77), 100m Freestyle (1:21.07), 200m Backstroke (4:03.48).
Sirirutanaprapan, Narath swims for Newmarket Stingrays Swim Club.
Sirirutanaprapan, Narath has competed in 5 meets.