| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.54 | 2025 NRST Fall Invitational | 2025-10-25 |
| 100m Breaststroke | 1:25.64 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m Butterfly | 1:16.20 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m Freestyle | 1:06.78 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 100m IM | 1:18.47 | 2025 ISC Bennett Cup | 2025-11-07 |
| 1500m Freestyle | 4:21.94 | 2025 Mid Summer Madness | 2025-07-26 |
| 200m Backstroke | 2:47.86 | 2026 VIR SC Championships | 2026-01-30 |
| 200m Breaststroke | 2:59.38 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 200m Butterfly | 2:58.53 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 200m Freestyle | 2:23.03 | 2026 VIR SC Championships | 2026-01-30 |
| 200m IM | 2:43.71 | 2026 VIR SC Championships | 2026-01-30 |
| 400m Freestyle | 5:01.67 | 2026 VIR SC Championships | 2026-01-30 |
| 400m IM | 5:47.94 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 50m Backstroke | 38.25 | 2025 ISC Bennett Cup | 2025-11-07 |
| 50m Breaststroke | 41.33 | 2026 CRKW Last Chance Qualifier | 2026-01-17 |
| 50m Butterfly | 32.90 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 50m Freestyle | 30.66 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 800m Freestyle | 10:39.46 | 2025 Stingrays' Annual Winter Break Invitational | 2025-12-12 |
MacGregor, Arya's top personal bests include 100m Backstroke (1:21.54), 100m Breaststroke (1:25.64), 100m Butterfly (1:16.20), 100m Freestyle (1:06.78), 100m IM (1:18.47).
MacGregor, Arya swims for Duncan Swim Team.
MacGregor, Arya has competed in 11 meets.