| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:33.89 | Birthday Cake Time Trial | 2025-05-31 |
| 100m Breaststroke | 1:34.44 | MAC Fall Fest Invitational | 2025-10-18 |
| 100m IM | 1:25.65 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Backstroke | 3:08.82 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 3:08.59 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Breaststroke | 3:23.51 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Breaststroke | 3:25.21 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m IM | 3:04.78 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 3:05.01 | MAC Fall Fest Invitational | 2025-10-18 |
| 400m Freestyle | 6:01.22 | MAC Fall Fest Invitational | 2025-10-18 |
| 800m Freestyle | 12:14.45 | Birthday Cake Time Trial | 2025-05-31 |
Kozlowski, Yvonne's top personal bests include 100m Breaststroke (1:33.89), 100m Breaststroke (1:34.44), 100m IM (1:25.65), 200m Backstroke (3:08.82), 200m Backstroke (3:08.59).
Kozlowski, Yvonne swims for Ajax Aquatic Club.
Kozlowski, Yvonne has competed in 3 meets.