| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:30.39 | Candy Cane Invitational | 2025-11-28 |
| 100m Breaststroke | 1:42.02 | Candy Cane Invitational | 2025-11-28 |
| 100m Freestyle | 1:18.47 | Candy Cane Invitational | 2025-11-28 |
| 200m Breaststroke | 3:41.25 | Craven Sport Services Racing Series #4 | 2025-06-07 |
| 200m Freestyle | 2:53.97 | Candy Cane Invitational | 2025-11-28 |
| 200m IM | 3:15.58 | Craven Sport Services Racing Series #4 | 2025-06-07 |
| 400m Freestyle | 6:12.18 | Craven SPORT Services Racing Series #1 | 2025-09-27 |
| 50m Backstroke | 43.18 | Candy Cane Invitational | 2025-11-28 |
| 50m Breaststroke | 47.30 | Candy Cane Invitational | 2025-11-28 |
| 50m Butterfly | 44.69 | Candy Cane Invitational | 2025-11-28 |
| 50m Freestyle | 34.64 | Craven Sport Services Racing Series #4 | 2025-06-07 |
Greening, Jemma's top personal bests include 100m Backstroke (1:30.39), 100m Breaststroke (1:42.02), 100m Freestyle (1:18.47), 200m Breaststroke (3:41.25), 200m Freestyle (2:53.97).
Greening, Jemma swims for Battlefords Kinsmen Orcas Swim Club.
Greening, Jemma has competed in 5 meets.