| # | Name | Time | Performance | Date |
|---|---|---|---|---|
| 46 | 00:50.52 | 2011-06-24 | ||
| 47 | 00:50.75 | 2016-02-19 | ||
| 48 | 00:51.09 | 2011-01-16 | ||
| 49 | 00:51.21 | 2013-01-25 | ||
| 50 | 00:51.52 | 2011-11-18 | ||
| 51 | 00:51.74 | 2012-06-30 | ||
| 52 | 00:51.92 | 2012-06-30 | ||
| 53 | 00:52.56 | 2016-02-19 | ||
| 54 | 00:52.60 | 2011-10-21 | ||
| 55 | 00:53.08 | 2011-01-16 | ||
| 56 | 00:53.10 | 2011-01-08 | ||
| 57 | 00:53.39 | 2012-06-01 | ||
| 58 | 00:55.34 | 2011-10-19 | ||
| 59 | 00:55.84 | 2013-01-25 | ||
| 60 | 00:55.93 | 2012-12-25 | ||
| 46–60 / 254 | ||||