| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.271 | 20/6:05.420 |
| 2 | 3 | 19.126 | 20/6:13.970 |
| 3 | 4 | 18.727 | 20/6:14.160 |
| 4 | 4 | 18.372 | 20/6:12.480 |
| 5 | 4 | 18.585 | 20/6:12.324 |
| 6 | 4 | 18.589 | 20/6:12.233 |
| 7 | 4 | 19.343 | 20/6:14.323 |
| 8 | 4 | 19.025 | 20/6:15.095 |
| 9 | 4 | 19.268 | 20/6:16.236 |
| 10 | 4 | 18.663 | 20/6:15.938 |
| 11 | 4 | 19.332 | 20/6:16.911 |
| 12 | 4 | 18.686 | 20/6:16.645 |
| 13 | 5 | 23.275 | 19/6:04.306 |
| 14 | 4 | 18.883 | 19/6:03.911 |
| 15 | 4 | 17.969 | 19/6:02.411 |
| 16 | 8 | 19.537 | 19/6:02.961 |
| 17 | 6 | 19.069 | 19/6:02.922 |
| 18 | 4 | 19.118 | 19/6:02.940 |
| 19 | 4 | 18.489 | 19/6:02.327 |