| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.947 | 20/7:18.940 |
| 2 | 4 | 20.802 | 20/7:07.490 |
| 3 | 4 | 23.351 | 20/7:20.667 |
| 4 | 4 | 21.722 | 20/7:19.110 |
| 5 | 5 | 25.495 | 19/7:10.605 |
| 6 | 4 | 20.353 | 19/7:03.288 |
| 7 | 5 | 18.723 | 20/7:15.409 |
| 8 | 4 | 19.181 | 20/7:08.935 |
| 9 | 4 | 19.789 | 20/7:05.251 |
| 10 | 4 | 21.040 | 20/7:04.806 |
| 11 | 3 | 22.482 | 20/7:07.064 |
| 12 | 3 | 20.071 | 20/7:04.927 |
| 13 | 3 | 20.399 | 20/7:03.623 |
| 14 | 3 | 26.851 | 20/7:11.723 |
| 15 | 3 | 22.156 | 20/7:12.483 |
| 16 | 3 | 20.513 | 20/7:11.094 |
| 17 | 3 | 20.676 | 20/7:10.060 |
| 18 | 3 | 19.116 | 20/7:07.408 |
| 19 | 3 | 21.503 | 20/7:07.547 |
| 20 | 3 | 39.234 | 20/7:25.404 |