| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 26.594 | N/A |
| 2 | 1 | 19.677 | 21/7:00.134 |
| 3 | 1 | 20.242 | 21/7:05.784 |
| 4 | 1 | 21.088 | 21/7:13.307 |
| 5 | 1 | 21.117 | 21/7:17.214 |
| 6 | 1 | 20.028 | 21/7:15.202 |
| 7 | 1 | 20.685 | 21/7:16.050 |
| 8 | 2 | 24.705 | 20/7:07.065 |
| 9 | 3 | 29.613 | 19/7:05.192 |
| 10 | 3 | 20.342 | 19/7:01.588 |
| 11 | 3 | 20.585 | 20/7:20.949 |
| 12 | 3 | 25.495 | 19/7:05.174 |
| 13 | 3 | 20.965 | 19/7:03.407 |
| 14 | 3 | 21.007 | 19/7:01.969 |
| 15 | 5 | 28.572 | 19/7:10.463 |
| 16 | 5 | 22.932 | 19/7:11.057 |
| 17 | 5 | 19.755 | 19/7:08.003 |
| 18 | 4 | 21.546 | 19/7:07.204 |
| 19 | 4 | 19.713 | 19/7:04.661 |