| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.574 | 21/7:12.054 |
| 2 | 4 | 27.366 | 18/7:11.460 |
| 3 | 4 | 23.974 | 18/7:11.484 |
| 4 | 4 | 20.773 | 19/7:20.263 |
| 5 | 3 | 19.981 | 19/7:08.138 |
| 6 | 1 | 19.641 | 20/7:21.030 |
| 7 | 1 | 19.416 | 20/7:13.500 |
| 8 | 1 | 19.903 | 20/7:09.070 |
| 9 | 1 | 22.116 | 20/7:10.542 |
| 10 | 1 | 22.555 | 20/7:12.598 |
| 11 | 1 | 19.158 | 20/7:08.104 |
| 12 | 1 | 20.144 | 20/7:06.002 |
| 13 | 1 | 22.881 | 20/7:08.434 |
| 14 | 1 | 19.368 | 20/7:05.500 |
| 15 | 1 | 20.121 | 20/7:03.961 |
| 16 | 1 | 22.770 | 20/7:05.926 |
| 17 | 1 | 20.055 | 20/7:04.466 |
| 18 | 1 | 19.458 | 20/7:02.504 |
| 19 | 1 | 19.910 | 20/7:01.225 |
| 20 | 1 | 19.190 | 21/7:20.322 |
| 21 | 1 | 23.118 | 21/7:22.472 |