| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:35.31 | Edmonton Open 2026 | 2026-01-30 |
| 100m Backstroke | 1:28.26 | Neil Lepps 2026 | 2026-03-14 |
| 100m Breaststroke | 1:45.83 | Edmonton Open 2026 | 2026-01-30 |
| 100m Breaststroke | 1:48.27 | Candy Cane Invitational | 2025-11-28 |
| 100m Butterfly | 1:41.64 | Candy Cane Invitational | 2025-11-28 |
| 100m Freestyle | 1:19.01 | Edmonton Open 2026 | 2026-01-30 |
| 100m Freestyle | 1:17.49 | Blue Bears Invitational | 2026-01-16 |
| 100m IM | 1:29.95 | Neil Lepps 2026 | 2026-03-14 |
| 200m Backstroke | 3:15.51 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 200m Breaststroke | 3:50.88 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 200m Freestyle | 2:52.97 | ASSA Provincial Championships | 2025-08-01 |
| 200m IM | 3:19.81 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 25m Breaststroke | 24.61 | Fort Saskatchewan Piranhas Swim Meet | 2025-06-08 |
| 25m Butterfly | 18.53 | Fort Saskatchewan Piranhas Swim Meet | 2025-06-08 |
| 400m Freestyle | 6:08.48 | Candy Cane Invitational | 2025-11-28 |
| 50m Backstroke | 42.01 | Edmonton Open 2026 | 2026-01-30 |
| 50m Backstroke | 42.60 | Candy Cane Invitational | 2025-11-28 |
| 50m Breaststroke | 48.41 | Neil Lepps 2026 | 2026-03-14 |
| 50m Butterfly | 40.84 | Edmonton Open 2026 | 2026-01-30 |
| 50m Butterfly | 40.84 | ASSA Provincial Championships | 2025-08-01 |
| 50m Freestyle | 36.02 | Edmonton Open 2026 | 2026-01-30 |
| 50m Freestyle | 35.05 | 2025 PCS Xmas Cracker | 2025-12-05 |
Lesko, Emilia's top personal bests include 100m Backstroke (1:35.31), 100m Backstroke (1:28.26), 100m Breaststroke (1:45.83), 100m Breaststroke (1:48.27), 100m Butterfly (1:41.64).
Lesko, Emilia swims for Edmonton Keyano Swim Club.
Lesko, Emilia has competed in 10 meets.