| Event | Time | Meet | Date |
|---|---|---|---|
| 50m Backstroke | 1:46.91 | Rising Rays 2026 | 2026-03-14 |
| 50m Freestyle | 1:30.50 | Rising Rays 2026 | 2026-03-14 |
McMillan, Jack's top personal bests include 50m Backstroke (1:46.91), 50m Freestyle (1:30.50).
McMillan, Jack swims for Strathcona County Silver Rays.
McMillan, Jack has competed in 1 meets.