| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 28.378 | N/A |
| 2 | 4 | 20.416 | 21/7:16.698 |
| 3 | 4 | 20.074 | 21/7:13.278 |
| 4 | 3 | 20.241 | 21/7:13.251 |
| 5 | 3 | 19.944 | 21/7:11.753 |
| 6 | 3 | 19.578 | 21/7:09.039 |
| 7 | 2 | 19.742 | 21/7:08.361 |
| 8 | 2 | 19.381 | 21/7:06.595 |
| 9 | 2 | 20.489 | 21/7:08.040 |
| 10 | 2 | 19.769 | 21/7:07.564 |
| 11 | 2 | 20.692 | 21/7:09.003 |
| 12 | 3 | 21.538 | 21/7:11.767 |
| 13 | 3 | 24.523 | 21/7:19.023 |
| 14 | 3 | 24.054 | 20/7:03.637 |
| 15 | 3 | 21.199 | 20/7:04.175 |
| 16 | 3 | 21.073 | 20/7:04.481 |
| 17 | 3 | 19.846 | 20/7:03.291 |
| 18 | 3 | 19.148 | 20/7:01.462 |
| 19 | 3 | 20.176 | 20/7:00.921 |
| 20 | 3 | 19.716 | 21/7:20.587 |
| 21 | 3 | 19.107 | 21/7:19.084 |