| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:30.28 | Western Transmountain Festival III | 2026-02-20 |
| 100m Breaststroke | 1:22.41 | Winter Provincial Trials | 2026-03-06 |
| 100m Freestyle | 1:12.14 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Freestyle | 1:09.63 | Winter Provincial Trials | 2026-03-06 |
| 100m IM | 1:19.99 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 200m Breaststroke | 3:18.35 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Breaststroke | 3:09.13 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 200m Freestyle | 2:43.37 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Freestyle | 2:46.61 | 2025 KSC SC Invitational | 2025-11-21 |
| 200m IM | 2:54.46 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Backstroke | 40.48 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 37.44 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Breaststroke | 41.05 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Breaststroke | 38.13 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Butterfly | 38.35 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Freestyle | 30.07 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Freestyle | 29.74 | Winter Provincial Trials | 2026-03-06 |
Antonopoulos, Phineas's top personal bests include 100m Breaststroke (1:30.28), 100m Breaststroke (1:22.41), 100m Freestyle (1:12.14), 100m Freestyle (1:09.63), 100m IM (1:19.99).
Antonopoulos, Phineas swims for Calgary Winter Club.
Antonopoulos, Phineas has competed in 8 meets.