| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 1:59.30 | Nova Tech Aqua Kids #2 Central | 2025-12-06 |
| 200m Freestyle | 3:44.65 | Nova Tech Aqua Kids #2 Central | 2025-12-06 |
| 50m Backstroke | 57.95 | Nova Tech Aqua Kids #1 Central | 2025-10-25 |
| 50m Breaststroke | 1:01.15 | Nova Tech Aqua Kids #2 Central | 2025-12-06 |
| 50m Butterfly | 1:03.41 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
Marcil, Miles's top personal bests include 100m IM (1:59.30), 200m Freestyle (3:44.65), 50m Backstroke (57.95), 50m Breaststroke (1:01.15), 50m Butterfly (1:03.41).
Marcil, Miles swims for Dartmouth Crusaders Swim Club.
Marcil, Miles has competed in 4 meets.