| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.15 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:40.44 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Butterfly | 1:35.81 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:11.37 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Backstroke | 2:49.40 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Freestyle | 2:33.44 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 3:03.50 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 400m Freestyle | 5:39.73 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 36.79 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 39.55 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Freestyle | 32.61 | 2025 Murray Drudge Invitational | 2025-12-05 |
Sebastian, Amiya Grace's top personal bests include 100m Backstroke (1:19.15), 100m Breaststroke (1:40.44), 100m Butterfly (1:35.81), 100m Freestyle (1:11.37), 200m Backstroke (2:49.40).
Sebastian, Amiya Grace swims for COBRA Swim Club.
Sebastian, Amiya Grace has competed in 10 meets.