| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:57.09 | Blue Bears Invitational | 2026-01-16 |
| 100m Breaststroke | 1:52.86 | Neil Lepps 2026 | 2026-03-14 |
| 100m Freestyle | 1:37.65 | Neil Lepps 2026 | 2026-03-14 |
| 50m Backstroke | 50.18 | OSC 12&Under Series #1 | 2025-11-09 |
| 50m Breaststroke | 52.54 | Blue Bears Invitational | 2026-01-16 |
| 50m Butterfly | 56.01 | Candy Cane Invitational | 2025-11-28 |
| 50m Freestyle | 43.20 | Candy Cane Invitational | 2025-11-28 |
Gross, Leonard's top personal bests include 100m Backstroke (1:57.09), 100m Breaststroke (1:52.86), 100m Freestyle (1:37.65), 50m Backstroke (50.18), 50m Breaststroke (52.54).
Gross, Leonard swims for Edmonton Keyano Swim Club.
Gross, Leonard has competed in 4 meets.