| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.64 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Breaststroke | 1:25.72 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Butterfly | 1:28.96 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Freestyle | 1:08.80 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m IM | 1:23.56 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Backstroke | 3:08.28 | 2025 MSSAC Harvest Invitational | 2025-11-01 |
| 200m Breaststroke | 3:08.79 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Freestyle | 2:38.17 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m IM | 3:03.35 | 2026 Trojan Pentathlon | 2026-03-06 |
| 400m Freestyle | 5:44.26 | 2025 MSSAC Harvest Invitational | 2025-11-01 |
| 50m Backstroke | 39.98 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Breaststroke | 39.47 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Butterfly | 36.11 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 29.65 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 11:58.24 | 2026 Trojan Pentathlon | 2026-03-06 |
Smiechowski, Stella's top personal bests include 100m Backstroke (1:26.64), 100m Breaststroke (1:25.72), 100m Butterfly (1:28.96), 100m Freestyle (1:08.80), 100m IM (1:23.56).
Smiechowski, Stella swims for Lakeshore Swim Club.
Smiechowski, Stella has competed in 7 meets.