| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 57.97 | Toronto Grand Prix | 2026-01-24 |
| 100m Backstroke | 54.43 | 2025 NYAC Cup | 2025-11-14 |
| 100m Breaststroke | 1:07.63 | Toronto Grand Prix | 2026-01-24 |
| 100m Butterfly | 52.99 | 2025 NYAC Cup | 2025-11-14 |
| 100m Freestyle | 51.91 | Toronto Grand Prix | 2026-01-24 |
| 100m Freestyle | 49.59 | 2025 NYAC Cup | 2025-11-14 |
| 200m Backstroke | 1:58.06 | 2025 NYAC Cup | 2025-11-14 |
| 200m Freestyle | 1:54.99 | Toronto Grand Prix | 2026-01-24 |
| 200m IM | 2:01.53 | 2025 NYAC Cup | 2025-11-14 |
| 50m Backstroke | 27.48 | Toronto Grand Prix | 2026-01-24 |
| 50m Backstroke | 25.66 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 23.65 | Toronto Grand Prix | 2026-01-24 |
| 50m Freestyle | 22.72 | 2025 NYAC Cup | 2025-11-14 |
Semenyuk, Anton's top personal bests include 100m Backstroke (57.97), 100m Backstroke (54.43), 100m Breaststroke (1:07.63), 100m Butterfly (52.99), 100m Freestyle (51.91).
Semenyuk, Anton swims for Natation Gatineau.
Semenyuk, Anton has competed in 2 meets.