| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.626 | N/A |
| 2 | 2 | 20.054 | 18/6:02.544 |
| 3 | 2 | 21.327 | 18/6:13.364 |
| 4 | 2 | 19.165 | 18/6:04.072 |
| 5 | 2 | 18.987 | 19/6:19.524 |
| 6 | 1 | 19.011 | 19/6:16.384 |
| 7 | 1 | 17.978 | 19/6:11.192 |
| 8 | 1 | 24.756 | 18/6:04.729 |
| 9 | 1 | 19.101 | 18/6:02.431 |
| 10 | 1 | 17.847 | 19/6:18.078 |
| 11 | 1 | 18.268 | 19/6:15.315 |
| 12 | 1 | 18.724 | 19/6:13.800 |
| 13 | 1 | 19.212 | 19/6:13.271 |
| 14 | 1 | 19.751 | 19/6:13.568 |
| 15 | 1 | 18.702 | 19/6:12.475 |
| 16 | 1 | 19.971 | 19/6:13.050 |
| 17 | 1 | 18.822 | 19/6:12.261 |
| 18 | 1 | 20.326 | 19/6:13.157 |
| 19 | 1 | 25.249 | 19/6:18.877 |