| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 25.073 | N/A |
| 2 | 1 | 25.043 | 20/8:20.089 |
| 3 | 1 | 23.243 | 20/8:03.079 |
| 4 | 1 | 22.505 | 21/8:17.013 |
| 5 | 1 | 28.817 | 20/8:18.211 |
| 6 | 2 | 30.566 | 19/8:13.699 |
| 7 | 2 | 24.927 | 19/8:10.376 |
| 8 | 2 | 23.561 | 19/8:04.489 |
| 9 | 2 | 21.816 | 20/8:21.208 |
| 10 | 2 | 23.896 | 20/8:18.751 |
| 11 | 2 | 25.954 | 20/8:20.696 |
| 12 | 2 | 24.794 | 20/8:20.283 |
| 13 | 2 | 25.327 | 20/8:20.783 |
| 14 | 2 | 27.752 | 20/8:24.751 |
| 15 | 2 | 23.740 | 20/8:22.707 |
| 16 | 2 | 22.268 | 20/8:19.071 |
| 17 | 2 | 24.239 | 20/8:18.023 |
| 18 | 2 | 21.269 | 20/8:14.168 |
| 19 | 2 | 27.697 | 20/8:17.343 |
| 20 | 2 | 22.629 | 20/8:15.116 |