| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:01.26 | 2025 NYAC Cup | 2025-11-14 |
| 100m Butterfly | 58.92 | Halifax Trojan Aquatic Club Time Trial #1 | 2025-10-24 |
| 100m Freestyle | 56.03 | Age Group Development #3 | 2025-11-22 |
| 100m IM | 1:01.65 | 2025 DAL Sprint Meet | 2025-10-19 |
| 200m Backstroke | 2:13.45 | 2025 NYAC Cup | 2025-11-14 |
| 200m Butterfly | 2:14.78 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Freestyle | 2:03.50 | 2025 Candy Cane Invitational | 2025-12-12 |
| 200m IM | 2:14.67 | 2025 NYAC Cup | 2025-11-14 |
| 400m IM | 5:02.93 | 2025 AGD Distance Central | 2025-11-01 |
| 50m Backstroke | 28.18 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Breaststroke | 33.42 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Butterfly | 26.69 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Freestyle | 25.77 | 2025 DAL Sprint Meet | 2025-10-19 |
| 800m Freestyle | 9:54.57 | 2025 AGD Distance Central | 2025-11-01 |
Bautista, Leon Jacob's top personal bests include 100m Backstroke (1:01.26), 100m Butterfly (58.92), 100m Freestyle (56.03), 100m IM (1:01.65), 200m Backstroke (2:13.45).
Bautista, Leon Jacob swims for Dartmouth Crusaders Swim Club.
Bautista, Leon Jacob has competed in 12 meets.