| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.547 | 21/6:08.487 |
| 2 | 3 | 17.315 | 21/6:06.051 |
| 3 | 3 | 18.861 | 21/6:16.061 |
| 4 | 3 | 17.701 | 21/6:14.976 |
| 5 | 3 | 17.687 | 21/6:14.266 |
| 6 | 3 | 17.578 | 21/6:13.412 |
| 7 | 3 | 18.705 | 21/6:16.182 |
| 8 | 3 | 17.587 | 21/6:15.325 |
| 9 | 3 | 18.508 | 21/6:16.808 |
| 10 | 3 | 17.601 | 21/6:16.089 |
| 11 | 3 | 17.856 | 21/6:15.988 |
| 12 | 3 | 18.210 | 21/6:16.523 |
| 13 | 3 | 17.760 | 21/6:16.249 |
| 14 | 3 | 17.931 | 21/6:16.271 |
| 15 | 3 | 19.406 | 20/6:00.337 |
| 16 | 3 | 17.449 | 21/6:17.609 |
| 17 | 3 | 18.856 | 20/6:00.656 |
| 18 | 3 | 17.385 | 21/6:17.933 |
| 19 | 4 | 18.370 | 20/6:00.329 |
| 20 | 4 | 19.628 | 20/6:01.941 |