| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 31.340 | N/A |
| 2 | 3 | 23.873 | 20/8:04.927 |
| 3 | 2 | 23.383 | 20/8:00.272 |
| 4 | 3 | 28.276 | 19/8:04.532 |
| 5 | 3 | 25.660 | 19/8:06.704 |
| 6 | 3 | 25.116 | 19/8:06.048 |
| 7 | 3 | 24.611 | 19/8:04.097 |
| 8 | 3 | 26.049 | 19/8:06.400 |
| 9 | 3 | 23.100 | 19/8:01.493 |
| 10 | 3 | 23.520 | 20/8:23.359 |
| 11 | 3 | 26.420 | 19/8:01.354 |
| 12 | 3 | 25.337 | 19/8:01.904 |
| 13 | 3 | 29.356 | 19/8:08.391 |
| 14 | 3 | 24.484 | 19/8:07.134 |
| 15 | 3 | 23.847 | 19/8:05.238 |
| 16 | 3 | 25.174 | 19/8:05.187 |
| 17 | 3 | 31.220 | 19/8:11.944 |
| 18 | 3 | 28.248 | 19/8:14.759 |
| 19 | 3 | 35.588 | 19/8:24.602 |