| # | Name | Time | Performance | Date |
|---|---|---|---|---|
| 46 | 00:49.02 | 2011-07-25 | ||
| 47 | 00:49.35 | 2012-10-04 | ||
| 48 | 00:49.38 | 2010-12-23 | ||
| 49 | 00:49.41 | 2012-05-08 | ||
| 50 | 00:49.61 | 2016-10-24 | ||
| 51 | 00:50.08 | 2015-11-15 | ||
| 52 | 00:50.18 | 2011-08-10 | ||
| 53 | 00:50.24 | 2012-06-08 | ||
| 54 | 00:50.90 | 2018-01-11 | ||
| 55 | 00:50.97 | 2016-07-19 | ||
| 56 | 00:51.09 | 2013-11-30 | ||
| 57 | 00:51.48 | 2011-03-09 | ||
| 58 | 00:51.56 | 2012-03-15 | ||
| 59 | 00:51.75 | 2014-09-22 | ||
| 60 | 00:51.91 | 2013-02-10 | ||
| 46–60 / 299 | ||||