| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.315 | 19/6:06.985 |
| 2 | 3 | 18.652 | 19/6:00.686 |
| 3 | 4 | 18.779 | 20/6:18.307 |
| 4 | 4 | 18.855 | 20/6:18.005 |
| 5 | 4 | 20.195 | 19/6:04.025 |
| 6 | 4 | 18.823 | 19/6:02.960 |
| 7 | 4 | 18.513 | 19/6:01.358 |
| 8 | 4 | 20.312 | 19/6:04.430 |
| 9 | 4 | 20.312 | 19/6:06.818 |
| 10 | 4 | 19.644 | 19/6:07.460 |
| 11 | 4 | 18.983 | 19/6:06.843 |
| 12 | 4 | 18.693 | 19/6:05.870 |
| 13 | 4 | 18.535 | 19/6:04.816 |
| 14 | 4 | 19.871 | 19/6:05.726 |
| 15 | 4 | 19.221 | 19/6:05.690 |
| 16 | 4 | 18.845 | 19/6:05.213 |
| 17 | 4 | 19.923 | 19/6:05.997 |
| 18 | 4 | 19.346 | 19/6:06.085 |
| 19 | 4 | 23.325 | 19/6:10.142 |