| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 27.412 | N/A |
| 2 | 4 | 22.955 | 21/8:06.512 |
| 3 | 4 | 23.105 | 21/8:08.012 |
| 4 | 4 | 21.971 | 21/8:00.952 |
| 5 | 4 | 24.959 | 21/8:12.362 |
| 6 | 4 | 21.061 | 21/8:03.616 |
| 7 | 4 | 22.103 | 21/8:01.258 |
| 8 | 4 | 25.492 | 21/8:09.257 |
| 9 | 4 | 23.903 | 21/8:11.284 |
| 10 | 4 | 21.696 | 21/8:07.956 |
| 11 | 4 | 22.087 | 21/8:06.076 |
| 12 | 4 | 22.484 | 21/8:05.259 |
| 13 | 4 | 21.714 | 21/8:03.295 |
| 14 | 4 | 22.058 | 21/8:02.162 |
| 15 | 4 | 23.375 | 21/8:03.073 |
| 16 | 4 | 24.006 | 21/8:04.704 |
| 17 | 4 | 22.851 | 21/8:04.687 |
| 18 | 4 | 28.881 | 21/8:11.766 |
| 19 | 4 | 24.046 | 21/8:12.686 |
| 20 | 4 | 26.473 | 21/8:16.064 |
| 21 | 4 | 26.272 | 21/8:18.904 |