| # | Name | Time | Performance | Date |
|---|---|---|---|---|
| 436 | 00:49.40 | 2014-01-07 | ||
| 437 | 00:49.72 | 2017-03-12 | ||
| 438 | 00:49.76 | 2018-01-07 | ||
| 439 | 00:50.02 | 2014-02-19 | ||
| 440 | 00:50.23 | 2015-07-25 | ||
| 441 | 00:50.27 | 2017-12-04 | ||
| 442 | 00:50.35 | 2013-10-22 | ||
| 443 | 00:51.44 | 2018-01-19 | ||
| 444 | 00:51.52 | 2014-05-31 | ||
| 445 | 00:51.54 | 2015-05-09 | ||
| 446 | 00:51.99 | 2015-01-02 | ||
| 447 | 00:52.13 | 2016-04-10 | ||
| 448 | 00:53.01 | 2014-01-07 | ||
| 449 | 00:55.46 | 2014-04-24 | ||
| 450 | 00:55.55 | 2014-04-04 | ||
| 436–450 / 494 | ||||