| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:30.96 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Breaststroke | 1:24.54 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Butterfly | 1:17.79 | PICK Last Gasp 2025 | 2025-06-07 |
| 100m Freestyle | 1:10.76 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Freestyle | 1:07.78 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Breaststroke | 3:06.74 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Breaststroke | 2:59.03 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Butterfly | 2:51.51 | 2025 Alan Swanston Classic | 2025-12-05 |
| 200m Freestyle | 2:30.10 | Scar Pan Am Winter Classic | 2026-01-16 |
| 200m Freestyle | 2:24.11 | RHAC Fall Classic 2025 | 2025-10-24 |
| 200m IM | 2:53.16 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 200m IM | 2:42.88 | RHAC Fall Classic 2025 | 2025-10-24 |
| 400m Freestyle | 5:06.01 | 2025 Alan Swanston Classic | 2025-12-05 |
| 400m IM | 5:47.58 | PICK Last Gasp 2025 | 2025-06-07 |
| 50m Backstroke | 39.90 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Breaststroke | 39.50 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Breaststroke | 39.29 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Butterfly | 36.04 | 2025 Alan Swanston Classic | 2025-12-05 |
| 50m Freestyle | 32.55 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Freestyle | 32.36 | 2025 Alan Swanston Classic | 2025-12-05 |
| 800m Freestyle | 10:51.35 | RHAC Winter Invitational 2026 | 2026-01-16 |
Peterson, Ashley's top personal bests include 100m Breaststroke (1:30.96), 100m Breaststroke (1:24.54), 100m Butterfly (1:17.79), 100m Freestyle (1:10.76), 100m Freestyle (1:07.78).
Peterson, Ashley swims for Newmarket Stingrays Swim Club.
Peterson, Ashley has competed in 10 meets.