| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:01.57 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 100m Breaststroke | 2:15.79 | Winter Solstice | 2025-11-29 |
| 100m Freestyle | 1:48.16 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 200m Freestyle | 3:58.09 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 200m IM | 4:22.30 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 25m Backstroke | 29.28 | Craven SPORT Services Racing Series #1 | 2025-09-27 |
| 25m Breaststroke | 40.76 | Craven SPORT Services Racing Series #1 | 2025-09-27 |
| 50m Backstroke | 59.27 | Winter Solstice | 2025-11-29 |
| 50m Breaststroke | 1:02.76 | Winter Solstice | 2025-11-29 |
| 50m Butterfly | 1:02.03 | Winter Solstice | 2025-11-29 |
| 50m Freestyle | 49.58 | Winter Solstice | 2025-11-29 |
Gartner, Kassia's top personal bests include 100m Backstroke (2:01.57), 100m Breaststroke (2:15.79), 100m Freestyle (1:48.16), 200m Freestyle (3:58.09), 200m IM (4:22.30).
Gartner, Kassia swims for Team Gold.
Gartner, Kassia has competed in 5 meets.