| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 36.823 | N/A |
| 2 | 3 | 24.688 | 19/8:01.207 |
| 3 | 3 | 25.522 | 19/8:08.713 |
| 4 | 3 | 23.128 | 20/8:21.297 |
| 5 | 3 | 22.206 | 20/8:10.657 |
| 6 | 3 | 27.637 | 19/8:00.274 |
| 7 | 3 | 28.839 | 19/8:12.883 |
| 8 | 3 | 25.001 | 19/8:12.019 |
| 9 | 3 | 23.111 | 19/8:07.012 |
| 10 | 3 | 24.480 | 19/8:06.047 |
| 11 | 3 | 23.572 | 19/8:03.554 |
| 12 | 3 | 23.089 | 19/8:00.724 |
| 13 | 2 | 24.513 | 19/8:00.502 |
| 14 | 2 | 23.895 | 20/8:24.049 |
| 15 | 2 | 23.590 | 20/8:22.690 |
| 16 | 2 | 24.103 | 20/8:22.163 |
| 17 | 2 | 23.516 | 20/8:21.004 |
| 18 | 2 | 23.406 | 20/8:19.859 |
| 19 | 2 | 24.668 | 20/8:20.173 |
| 20 | 2 | 23.771 | 20/8:19.558 |