| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:13.46 | LAC - Dr. Paul Hauch Invitational | 2025-07-05 |
| 100m Butterfly | 1:13.77 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 1:03.44 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:14.04 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 2:40.22 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 2:20.26 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m IM | 2:39.27 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:12.80 | LAC - Dr. Paul Hauch Invitational | 2025-07-05 |
| 400m IM | 6:00.17 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Backstroke | 33.51 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 32.02 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Freestyle | 29.35 | 2026 Joanne Malar Invitational | 2026-01-16 |
Prinzen-Klages, Natalie's top personal bests include 100m Backstroke (1:13.46), 100m Butterfly (1:13.77), 100m Freestyle (1:03.44), 100m IM (1:14.04), 200m Backstroke (2:40.22).
Prinzen-Klages, Natalie swims for The Dorado Stars Swim Club.
Prinzen-Klages, Natalie has competed in 11 meets.