| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.231 | N/A |
| 2 | 2 | 20.098 | 21/7:05.191 |
| 3 | 2 | 20.668 | 21/7:10.891 |
| 4 | 2 | 19.943 | 21/7:07.957 |
| 5 | 2 | 20.033 | 21/7:06.941 |
| 6 | 2 | 19.788 | 21/7:05.351 |
| 7 | 2 | 19.884 | 21/7:04.611 |
| 8 | 2 | 20.477 | 21/7:05.776 |
| 9 | 2 | 20.425 | 21/7:06.521 |
| 10 | 2 | 20.338 | 21/7:06.906 |
| 11 | 2 | 21.006 | 21/7:08.551 |
| 12 | 2 | 20.255 | 21/7:08.531 |
| 13 | 3 | 21.029 | 21/7:09.804 |
| 14 | 3 | 19.784 | 21/7:08.966 |
| 15 | 3 | 20.350 | 21/7:09.056 |
| 16 | 3 | 20.634 | 21/7:09.513 |
| 17 | 2 | 21.563 | 21/7:11.074 |
| 18 | 2 | 20.101 | 21/7:10.732 |
| 19 | 2 | 20.090 | 21/7:10.415 |
| 20 | 2 | 25.451 | 21/7:15.775 |
| 21 | 2 | 20.455 | 21/7:15.603 |