| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:31.30 | June Performance Meet 2025 | 2025-06-06 |
| 100m Backstroke | 1:20.67 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:30.40 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Freestyle | 1:19.30 | June Performance Meet 2025 | 2025-06-06 |
| 100m Freestyle | 1:11.93 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Backstroke | 3:09.49 | June Performance Meet 2025 | 2025-06-06 |
| 200m Backstroke | 2:55.17 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Freestyle | 2:37.62 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m IM | 3:11.38 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 400m Freestyle | 5:38.88 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 39.36 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Butterfly | 47.84 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 39.62 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Freestyle | 34.46 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 31.66 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Villegas, Alexander's top personal bests include 100m Backstroke (1:31.30), 100m Backstroke (1:20.67), 100m Butterfly (1:30.40), 100m Freestyle (1:19.30), 100m Freestyle (1:11.93).
Villegas, Alexander swims for North York Aquatic Club.
Villegas, Alexander has competed in 8 meets.