| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:52.14 | Chena Invitational | 2026-01-24 |
| 100m Freestyle | 1:33.07 | Chena Invitational | 2026-01-24 |
| 100m IM | 2:08.75 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 200m IM | 3:57.19 | Chena Invitational | 2026-01-24 |
| 50m Backstroke | 58.22 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Breaststroke | 1:15.33 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Butterfly | 54.28 | Chena Invitational | 2026-01-24 |
| 50m Freestyle | 44.16 | Chena Invitational | 2026-01-24 |
Cong, Kellan's top personal bests include 100m Backstroke (1:52.14), 100m Freestyle (1:33.07), 100m IM (2:08.75), 200m IM (3:57.19), 50m Backstroke (58.22).
Cong, Kellan swims for Pacific Sea Wolves.
Cong, Kellan has competed in 2 meets.