| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.459 | 23/7:04.557 |
| 2 | 2 | 20.452 | 22/7:08.021 |
| 3 | 2 | 21.554 | 21/7:03.255 |
| 4 | 3 | 21.698 | 21/7:11.356 |
| 5 | 4 | 19.953 | 21/7:08.887 |
| 6 | 3 | 21.953 | 21/7:14.242 |
| 7 | 4 | 19.774 | 21/7:11.529 |
| 8 | 3 | 25.411 | 20/7:03.135 |
| 9 | 3 | 20.257 | 20/7:01.136 |
| 10 | 3 | 22.297 | 20/7:03.616 |
| 11 | 4 | 23.654 | 20/7:08.113 |
| 12 | 4 | 25.095 | 20/7:14.262 |
| 13 | 4 | 26.306 | 20/7:21.328 |
| 14 | 4 | 25.124 | 19/7:03.411 |
| 15 | 4 | 24.674 | 19/7:06.437 |
| 16 | 4 | 20.580 | 19/7:04.224 |
| 17 | 4 | 25.931 | 19/7:08.251 |
| 18 | 4 | 26.351 | 19/7:12.274 |
| 19 | 4 | 21.976 | 19/7:11.499 |