| Event | Time | Meet | Date |
|---|---|---|---|
| 50m Backstroke | 1:13.31 | CAJ In-House Meet #1 | 2025-10-25 |
| 50m Breaststroke | 1:21.74 | GMAC Winter Skills and Thrills | 2026-02-01 |
| 50m Freestyle | 55.97 | CAJ In-House Meet #2 | 2025-11-22 |
Karthikeyan, Sathhwick's top personal bests include 50m Backstroke (1:13.31), 50m Breaststroke (1:21.74), 50m Freestyle (55.97).
Karthikeyan, Sathhwick swims for Cambridge Aquajets.
Karthikeyan, Sathhwick has competed in 4 meets.