| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:28.38 | GHAC Super Fun Development Series #2 | 2026-02-14 |
| 100m Freestyle | 1:15.67 | GHAC Super Fun Development Series #2 | 2026-02-14 |
| 200m IM | 3:12.72 | GHAC Winter Invitational SCM | 2026-03-06 |
| 25m Backstroke | 19.45 | Super Fun Development Series #1 | 2025-12-13 |
| 50m Backstroke | 41.16 | Super Fun Development Series #1 | 2025-12-13 |
| 50m Breaststroke | 43.82 | GHAC Winter Invitational SCM | 2026-03-06 |
| 50m Freestyle | 32.68 | Super Fun Development Series #1 | 2025-12-13 |
Stefani, Leonardo's top personal bests include 100m Backstroke (1:28.38), 100m Freestyle (1:15.67), 200m IM (3:12.72), 25m Backstroke (19.45), 50m Backstroke (41.16).
Stefani, Leonardo swims for Golden Horseshoe Aquatic Club.
Stefani, Leonardo has competed in 4 meets.