| Event | Time | Meet | Date |
|---|---|---|---|
| 200m Backstroke | 2:43.80 | 2025 LC Far Western Championship | 2025-07-31 |
| 800m Freestyle | 10:25.44 | 2025 LC Far Western Championship | 2025-07-31 |
Miller, Aleksandar's top personal bests include 200m Backstroke (2:43.80), 800m Freestyle (10:25.44).
Miller, Aleksandar swims for Santa Clara Swim Club.
Miller, Aleksandar has competed in 1 meets.