| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 25.596 | N/A |
| 2 | 3 | 22.747 | 21/8:00.536 |
| 3 | 3 | 22.800 | 21/8:01.066 |
| 4 | 6 | 25.631 | 21/8:20.116 |
| 5 | 5 | 23.151 | 21/8:17.241 |
| 6 | 3 | 21.523 | 21/8:09.004 |
| 7 | 6 | 27.091 | 21/8:22.072 |
| 8 | 7 | 26.106 | 20/8:04.443 |
| 9 | 7 | 32.119 | 20/8:23.037 |
| 10 | 7 | 23.751 | 20/8:20.425 |
| 11 | 7 | 23.038 | 20/8:16.714 |
| 12 | 7 | 24.526 | 20/8:16.248 |
| 13 | 7 | 22.896 | 20/8:13.279 |
| 14 | 7 | 22.166 | 20/8:09.700 |
| 15 | 7 | 21.747 | 20/8:06.063 |
| 16 | 6 | 24.429 | 20/8:06.309 |
| 17 | 8 | 22.882 | 20/8:04.687 |
| 18 | 6 | 22.401 | 20/8:02.718 |
| 19 | 6 | 30.585 | 20/8:09.606 |