| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 2.701 | N/A |
| 2 | 4 | 17.986 | 21/6:02.421 |
| 3 | 4 | 18.272 | 21/6:05.281 |
| 4 | 4 | 18.337 | 21/6:06.667 |
| 5 | 4 | 18.885 | 21/6:10.101 |
| 6 | 4 | 23.151 | 20/6:09.898 |
| 7 | 4 | 19.966 | 20/6:11.924 |
| 8 | 4 | 18.114 | 20/6:08.345 |
| 9 | 4 | 17.551 | 20/6:04.323 |
| 10 | 4 | 19.257 | 20/6:04.796 |
| 11 | 4 | 19.081 | 20/6:04.841 |
| 12 | 4 | 18.859 | 20/6:04.493 |
| 13 | 4 | 20.995 | 20/6:07.586 |
| 14 | 4 | 19.261 | 20/6:07.669 |
| 15 | 4 | 19.351 | 20/6:07.862 |
| 16 | 4 | 23.434 | 20/6:13.201 |
| 17 | 4 | 18.849 | 20/6:12.427 |
| 18 | 4 | 17.891 | 20/6:10.675 |
| 19 | 4 | 18.373 | 20/6:09.625 |
| 20 | 4 | 18.976 | 20/6:09.290 |