| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:08.64 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 100m Breaststroke | 1:27.58 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 100m Butterfly | 1:15.71 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 100m Freestyle | 1:03.25 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 200m Backstroke | 2:42.70 | Chena Invitational | 2026-01-24 |
| 200m Freestyle | 2:33.62 | Chena Invitational | 2026-01-24 |
| 200m IM | 2:49.11 | Chena Invitational | 2026-01-24 |
| 50m Backstroke | 31.39 | 2025 NRST Ugly Sweater | 2025-12-12 |
| 50m Butterfly | 32.37 | Chena Invitational | 2026-01-24 |
| 50m Freestyle | 28.13 | 2025 NRST Ugly Sweater | 2025-12-12 |
Harder, Aaron's top personal bests include 100m Backstroke (1:08.64), 100m Breaststroke (1:27.58), 100m Butterfly (1:15.71), 100m Freestyle (1:03.25), 200m Backstroke (2:42.70).
Harder, Aaron swims for Whistler Sea Wolves Swim Club.
Harder, Aaron has competed in 2 meets.