| # | Name | Time | Performance | Date |
|---|---|---|---|---|
| 256 | 00:47.75 | 2017-03-03 | ||
| 257 | 00:48.47 | 2016-01-30 | ||
| 258 | 00:48.92 | 2015-08-11 | ||
| 259 | 00:49.07 | 2014-06-07 | ||
| 260 | 00:50.35 | 2014-09-12 | ||
| 261 | 00:51.35 | 2015-02-02 | ||
| 262 | 00:51.51 | 2015-09-06 | ||
| 263 | 00:52.19 | 2016-02-20 | ||
| 264 | 00:52.32 | 2015-07-14 | ||
| 265 | 00:54.72 | 2016-09-26 | ||
| 266 | 00:55.50 | 2014-06-25 | ||
| 267 | 00:55.55 | 2015-12-26 | ||
| 268 | 00:56.89 | 2017-03-13 | ||
| 269 | 00:58.89 | 2014-06-07 | ||
| 270 | 01:00.40 | 2014-07-14 | ||
| 256–270 / 300 | ||||