| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:46.32 | OYO Fall 2025 Short Course Invitational | 2025-11-15 |
| 100m Breaststroke | 1:58.18 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m Freestyle | 1:40.17 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m IM | 1:52.43 | OYO Fall 2025 Short Course Invitational | 2025-11-15 |
| 200m Backstroke | 4:01.95 | GO Polar Bear Invitational 2026 | 2026-01-16 |
| 200m Breaststroke | 4:07.02 | GO Polar Bear Invitational 2026 | 2026-01-16 |
| 200m Freestyle | 3:50.52 | Swim Ottawa Fall Invitational | 2025-11-01 |
| 200m IM | 4:00.47 | Swim Ottawa Fall Invitational | 2025-11-01 |
| 400m Freestyle | 7:56.69 | 2026 February Freeze Invitational | 2026-02-14 |
| 50m Backstroke | 48.72 | 2026 February Freeze Invitational | 2026-02-14 |
| 50m Breaststroke | 57.96 | Perth Candy Cane Meet | 2025-12-12 |
| 50m Butterfly | 56.44 | KBM Pentathlon | 2025-10-19 |
| 50m Freestyle | 45.44 | KBM Pentathlon | 2025-10-19 |
McCallum, Autumn's top personal bests include 100m Backstroke (1:46.32), 100m Breaststroke (1:58.18), 100m Freestyle (1:40.17), 100m IM (1:52.43), 200m Backstroke (4:01.95).
McCallum, Autumn swims for Swim Ottawa.
McCallum, Autumn has competed in 9 meets.