| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 2:39.53 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
| 25m Backstroke | 26.75 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
| 25m Breaststroke | 45.29 | Nova Tech Aqua Kids #1 Central | 2025-10-25 |
| 25m Butterfly | 31.46 | Nova Tech Aqua Kids #1 Central | 2025-10-25 |
| 25m Freestyle | 22.71 | Nova Tech Aqua Kids #1 Central | 2025-10-25 |
Hartlen, Leo's top personal bests include 100m IM (2:39.53), 25m Backstroke (26.75), 25m Breaststroke (45.29), 25m Butterfly (31.46), 25m Freestyle (22.71).
Hartlen, Leo swims for Halifax Trojan Aquatic Club.
Hartlen, Leo has competed in 3 meets.