| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.88 | Delta March LMR | 2026-03-14 |
| 100m Freestyle | 1:14.76 | Delta March LMR | 2026-03-14 |
| 200m Backstroke | 3:01.51 | SKSC Winterfest | 2026-01-24 |
| 200m Freestyle | 2:38.87 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 200m IM | 3:06.54 | Delta March LMR | 2026-03-14 |
| 50m Backstroke | 38.65 | Delta March LMR | 2026-03-14 |
| 50m Butterfly | 42.03 | Winskill Dolphins LMR | 2025-10-25 |
| 50m Freestyle | 33.77 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 800m Freestyle | 11:50.78 | Delta Distance LMR | 2025-11-30 |
Miles, Matthew's top personal bests include 100m Backstroke (1:27.88), 100m Freestyle (1:14.76), 200m Backstroke (3:01.51), 200m Freestyle (2:38.87), 200m IM (3:06.54).
Miles, Matthew swims for Winskill Dolphins Swim Club.
Miles, Matthew has competed in 5 meets.