| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.058 | N/A |
| 2 | 1 | 17.256 | 21/6:04.178 |
| 3 | 1 | 17.421 | 21/6:05.828 |
| 4 | 1 | 17.255 | 21/6:05.271 |
| 5 | 1 | 17.127 | 21/6:04.353 |
| 6 | 1 | 17.543 | 21/6:05.466 |
| 7 | 1 | 17.033 | 21/6:04.508 |
| 8 | 1 | 17.472 | 21/6:05.078 |
| 9 | 1 | 17.262 | 21/6:04.980 |
| 10 | 1 | 17.459 | 21/6:05.342 |
| 11 | 1 | 17.259 | 21/6:05.232 |
| 12 | 2 | 19.601 | 21/6:09.399 |
| 13 | 2 | 17.311 | 21/6:09.056 |
| 14 | 2 | 17.631 | 21/6:09.258 |
| 15 | 2 | 17.429 | 21/6:09.142 |
| 16 | 2 | 17.260 | 21/6:08.816 |
| 17 | 2 | 17.500 | 21/6:08.831 |
| 18 | 2 | 17.312 | 21/6:08.623 |
| 19 | 2 | 17.212 | 21/6:08.328 |
| 20 | 1 | 17.541 | 21/6:08.409 |
| 21 | 1 | 17.411 | 21/6:08.353 |