| Tijd | Afstand | Zwemslag | Datum | Wedstrijd | Zwemclub |
|---|---|---|---|---|---|
| 0:11:30:12 | 500 | freestyle | 2012-06-16 | Vriezenveen | |
| 0:11:20:48 | 500 | freestyle | 2012-06-30 | Scheerwolde | |
| 0:11:32:05 | 500 | freestyle | 2012-07-15 | Stadskanaal | |
| 0:11:35:73 | 500 | freestyle | 2012-07-22 | Gaasperplas | |
| 0:10:55:78 | 500 | freestyle | 2012-07-28 | Anna Paulowna | |
| 0:12:19:59 | 500 | freestyle | 2012-08-04 | Hoorn |