| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.077 | 20/7:01.540 |
| 2 | 3 | 23.201 | 19/7:00.641 |
| 3 | 3 | 17.625 | 21/7:13.321 |
| 4 | 3 | 18.630 | 21/7:02.798 |
| 5 | 3 | 19.074 | 22/7:18.271 |
| 6 | 3 | 22.966 | 21/7:09.005 |
| 7 | 3 | 17.149 | 22/7:19.126 |
| 8 | 3 | 20.621 | 21/7:00.900 |
| 9 | 3 | 20.079 | 21/7:00.985 |
| 10 | 4 | 17.920 | 22/7:16.352 |
| 11 | 3 | 16.971 | 22/7:10.626 |
| 12 | 3 | 19.787 | 22/7:11.017 |
| 13 | 3 | 26.615 | 21/7:02.770 |
| 14 | 4 | 20.066 | 21/7:02.671 |
| 15 | 4 | 24.170 | 21/7:08.331 |
| 16 | 3 | 19.055 | 21/7:06.570 |
| 17 | 3 | 23.031 | 21/7:09.928 |
| 18 | 3 | 22.622 | 21/7:12.436 |
| 19 | 3 | 26.694 | 21/7:19.180 |
| 20 | 3 | 22.363 | 21/7:20.702 |
| 21 | 4 | 20.423 | 21/7:20.139 |