| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.009 | 19/6:01.171 |
| 2 | 4 | 17.838 | 20/6:08.470 |
| 3 | 4 | 18.517 | 20/6:09.093 |
| 4 | 4 | 18.691 | 20/6:10.275 |
| 5 | 4 | 18.187 | 20/6:08.968 |
| 6 | 4 | 18.064 | 20/6:07.687 |
| 7 | 4 | 18.036 | 20/6:06.691 |
| 8 | 4 | 19.385 | 20/6:09.317 |
| 9 | 4 | 17.998 | 20/6:08.278 |
| 10 | 4 | 18.598 | 20/6:08.646 |
| 11 | 4 | 18.730 | 20/6:09.187 |
| 12 | 4 | 18.340 | 20/6:08.988 |
| 13 | 4 | 18.450 | 20/6:08.989 |
| 14 | 4 | 17.999 | 20/6:08.346 |
| 15 | 4 | 18.898 | 20/6:08.987 |
| 16 | 4 | 19.075 | 20/6:09.769 |
| 17 | 4 | 18.073 | 20/6:09.280 |
| 18 | 4 | 18.035 | 20/6:08.803 |
| 19 | 4 | 19.272 | 20/6:09.679 |
| 20 | 4 | 18.790 | 20/6:09.985 |