| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:40.83 | 2025 Age Group International SC | 2025-11-27 |
| 100m Breaststroke | 1:42.26 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:20.41 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:33.88 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 2:56.85 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 3:36.85 | ESWIM January Time Trial | 2026-01-20 |
| 400m Freestyle | 6:45.13 | ESWIM 400 Time Trial | 2025-12-16 |
| 50m Breaststroke | 45.52 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 47.76 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 37.52 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Gronfeldt, Amelia's top personal bests include 100m Backstroke (1:40.83), 100m Breaststroke (1:42.26), 100m Freestyle (1:20.41), 100m IM (1:33.88), 200m Freestyle (2:56.85).
Gronfeldt, Amelia swims for Etobicoke Swim Club.
Gronfeldt, Amelia has competed in 8 meets.