| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 25.768 | 17/7:18.056 |
| 2 | 4 | 19.735 | 19/7:12.279 |
| 3 | 4 | 18.967 | 20/7:09.800 |
| 4 | 2 | 18.305 | 21/7:14.569 |
| 5 | 2 | 22.722 | 20/7:01.988 |
| 6 | 2 | 19.458 | 21/7:17.343 |
| 7 | 2 | 19.573 | 21/7:13.584 |
| 8 | 2 | 19.262 | 21/7:09.949 |
| 9 | 2 | 18.129 | 21/7:04.478 |
| 10 | 2 | 18.389 | 21/7:00.647 |
| 11 | 2 | 19.524 | 22/7:19.664 |
| 12 | 3 | 25.037 | 21/7:08.521 |
| 13 | 3 | 23.869 | 21/7:14.115 |
| 14 | 3 | 23.776 | 21/7:18.771 |
| 15 | 3 | 22.533 | 20/7:00.063 |
| 16 | 3 | 19.718 | 21/7:19.379 |
| 17 | 3 | 22.181 | 21/7:20.933 |
| 18 | 3 | 19.326 | 21/7:18.984 |
| 19 | 3 | 25.168 | 20/7:02.568 |
| 20 | 3 | 22.860 | 20/7:04.300 |