| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.352 | N/A |
| 2 | 2 | 20.156 | 21/7:02.472 |
| 3 | 2 | 20.401 | 21/7:04.922 |
| 4 | 2 | 19.889 | 21/7:02.325 |
| 5 | 1 | 20.055 | 21/7:01.857 |
| 6 | 4 | 27.682 | 20/7:10.447 |
| 7 | 4 | 20.580 | 20/7:07.101 |
| 8 | 3 | 20.862 | 20/7:05.477 |
| 9 | 3 | 20.933 | 20/7:04.427 |
| 10 | 4 | 26.300 | 20/7:14.941 |
| 11 | 5 | 21.145 | 20/7:13.557 |
| 12 | 5 | 22.571 | 20/7:14.888 |
| 13 | 5 | 20.757 | 20/7:13.126 |
| 14 | 5 | 21.112 | 20/7:12.153 |
| 15 | 5 | 20.981 | 20/7:11.141 |
| 16 | 5 | 20.940 | 20/7:10.213 |
| 17 | 5 | 20.210 | 20/7:08.533 |
| 18 | 5 | 20.524 | 20/7:07.402 |
| 19 | 5 | 21.237 | 20/7:07.150 |
| 20 | 5 | 20.596 | 20/7:06.283 |