| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.31 | Edmonton Open 2026 | 2026-01-30 |
| 100m Backstroke | 1:17.66 | Winter Solstice | 2025-11-29 |
| 100m Butterfly | 1:17.70 | Edmonton Open 2026 | 2026-01-30 |
| 100m Butterfly | 1:18.67 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m Freestyle | 1:05.47 | ManSask Provincial Championships | 2025-07-10 |
| 100m Freestyle | 1:03.24 | 2025 Prairie Winter International | 2025-12-11 |
| 100m IM | 1:14.24 | 2025 Prairie Winter International | 2025-12-11 |
| 200m Backstroke | 3:06.20 | Winter Classic | 2026-01-16 |
| 200m Breaststroke | 3:34.54 | Winter Classic | 2026-01-16 |
| 200m Butterfly | 3:31.75 | Anna Rondeau Memorial Challenge | 2025-06-08 |
| 200m Freestyle | 2:38.92 | ManSask Provincial Championships | 2025-07-10 |
| 200m Freestyle | 2:31.66 | 2025 Prairie Winter International | 2025-12-11 |
| 200m IM | 2:57.28 | ManSask Provincial Championships | 2025-07-10 |
| 200m IM | 2:57.32 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 400m IM | 6:42.41 | Anna Rondeau Memorial Challenge | 2025-06-08 |
| 50m Backstroke | 35.81 | Edmonton Open 2026 | 2026-01-30 |
| 50m Backstroke | 32.94 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Breaststroke | 43.12 | Winter Classic | 2026-01-16 |
| 50m Butterfly | 30.65 | Edmonton Open 2026 | 2026-01-30 |
| 50m Butterfly | 30.36 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Freestyle | 29.07 | Edmonton Open 2026 | 2026-01-30 |
| 50m Freestyle | 28.16 | 2025 Prairie Winter International | 2025-12-11 |
Austin-Koyl, Sara's top personal bests include 100m Backstroke (1:18.31), 100m Backstroke (1:17.66), 100m Butterfly (1:17.70), 100m Butterfly (1:18.67), 100m Freestyle (1:05.47).
Austin-Koyl, Sara swims for Regina Optimist Dolphins Swim Team.
Austin-Koyl, Sara has competed in 7 meets.