| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.216 | 20/6:04.320 |
| 2 | 1 | 18.479 | 20/6:06.950 |
| 3 | 1 | 19.439 | 20/6:14.227 |
| 4 | 1 | 18.202 | 20/6:11.680 |
| 5 | 1 | 18.813 | 20/6:12.596 |
| 6 | 1 | 18.309 | 20/6:11.527 |
| 7 | 1 | 18.829 | 20/6:12.249 |
| 8 | 1 | 18.110 | 20/6:10.992 |
| 9 | 1 | 18.467 | 20/6:10.809 |
| 10 | 1 | 18.458 | 20/6:10.644 |
| 11 | 1 | 18.313 | 20/6:10.245 |
| 12 | 1 | 20.510 | 20/6:13.575 |
| 13 | 1 | 19.152 | 20/6:14.303 |
| 14 | 1 | 18.003 | 20/6:13.286 |
| 15 | 1 | 21.172 | 20/6:16.629 |
| 16 | 1 | 19.134 | 20/6:17.007 |
| 17 | 1 | 19.984 | 20/6:18.341 |
| 18 | 1 | 23.598 | 19/6:04.365 |
| 19 | 1 | 23.039 | 19/6:08.227 |