| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.97 | SilverRays Invitational | 2025-05-31 |
| 100m Backstroke | 1:20.88 | Candy Cane Invitational | 2025-11-28 |
| 100m Breaststroke | 1:37.50 | SilverRays Invitational | 2025-05-31 |
| 100m Breaststroke | 1:31.17 | Neil Lepps 2026 | 2026-03-14 |
| 100m Butterfly | 1:35.00 | Candy Cane Invitational | 2025-11-28 |
| 100m Freestyle | 1:13.57 | Blue Bears Invitational | 2026-01-16 |
| 200m Backstroke | 3:02.34 | SilverRays Invitational | 2025-05-31 |
| 200m Backstroke | 2:55.79 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 200m Breaststroke | 3:24.27 | SilverRays Invitational | 2025-05-31 |
| 200m Breaststroke | 3:17.90 | Blue Bears Invitational | 2026-01-16 |
| 200m Freestyle | 2:46.55 | Candy Cane Invitational | 2025-11-28 |
| 200m IM | 3:18.62 | Summer Provincial Trials LC | 2025-06-27 |
| 200m IM | 3:06.31 | 2025 KSC SC Invitational | 2025-11-21 |
| 400m Freestyle | 6:34.64 | SilverRays Invitational | 2025-05-31 |
| 400m IM | 7:00.93 | SilverRays Invitational | 2025-05-31 |
| 400m IM | 6:35.02 | Candy Cane Invitational | 2025-11-28 |
| 50m Backstroke | 40.64 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 38.41 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Breaststroke | 44.93 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Breaststroke | 40.76 | Blue Bears Invitational | 2026-01-16 |
| 50m Butterfly | 38.60 | Blue Bears Invitational | 2026-01-16 |
| 50m Freestyle | 34.10 | Winter Festival | 2026-01-23 |
Koughan, Adelyn's top personal bests include 100m Backstroke (1:26.97), 100m Backstroke (1:20.88), 100m Breaststroke (1:37.50), 100m Breaststroke (1:31.17), 100m Butterfly (1:35.00).
Koughan, Adelyn swims for Strathcona County Silver Rays.
Koughan, Adelyn has competed in 9 meets.