| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:29.86 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Breaststroke | 1:17.82 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:18.56 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Butterfly | 1:09.72 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:07.58 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:02.33 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:18.08 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 3:03.10 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 2:46.57 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Breaststroke | 2:59.24 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Breaststroke | 2:48.89 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:30.36 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:17.69 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m IM | 2:43.54 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:32.57 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:22.50 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m Freestyle | 5:04.67 | David Lawson Invitational 2026 | 2026-01-23 |
| 400m IM | 5:29.50 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Backstroke | 35.35 | 2025 NYAC Cup | 2025-11-14 |
| 50m Breaststroke | 38.75 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Butterfly | 33.08 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 31.13 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Freestyle | 28.43 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 10:27.63 | 2025 Murray Drudge Invitational | 2025-12-05 |
Baume, Leonardo's top personal bests include 100m Breaststroke (1:29.86), 100m Breaststroke (1:17.82), 100m Butterfly (1:18.56), 100m Butterfly (1:09.72), 100m Freestyle (1:07.58).
Baume, Leonardo swims for Oakville Aquatic Club.
Baume, Leonardo has competed in 9 meets.