| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:43.85 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 100m Backstroke | 1:39.92 | Pan Am Open 2026 | 2026-02-21 |
| 100m Breaststroke | 1:56.95 | Pan Am Open 2026 | 2026-02-21 |
| 100m Freestyle | 1:36.58 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 100m Freestyle | 1:35.31 | Pan Am Open 2026 | 2026-02-21 |
| 100m IM | 1:41.85 | Pan Am Open 2026 | 2026-02-21 |
| 50m Backstroke | 52.06 | Hall of Fame | 2025-10-18 |
| 50m Breaststroke | 55.91 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 50m Breaststroke | 55.77 | Pan Am Open 2026 | 2026-02-21 |
| 50m Butterfly | 56.82 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 50m Freestyle | 42.09 | Pan Am Open 2026 | 2026-02-21 |
Shvadchak, Matvij's top personal bests include 100m Backstroke (1:43.85), 100m Backstroke (1:39.92), 100m Breaststroke (1:56.95), 100m Freestyle (1:36.58), 100m Freestyle (1:35.31).
Shvadchak, Matvij swims for Etobicoke Swim Club.
Shvadchak, Matvij has competed in 3 meets.