| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.618 | N/A |
| 2 | 2 | 17.224 | 21/6:04.098 |
| 3 | 2 | 17.223 | 21/6:04.088 |
| 4 | 2 | 17.632 | 21/6:06.811 |
| 5 | 2 | 17.646 | 21/6:08.243 |
| 6 | 2 | 17.838 | 21/6:09.087 |
| 7 | 2 | 17.832 | 21/6:10.934 |
| 8 | 2 | 17.217 | 21/6:09.938 |
| 9 | 2 | 17.099 | 21/6:08.895 |
| 10 | 2 | 19.423 | 21/6:13.249 |
| 11 | 2 | 17.320 | 21/6:12.526 |
| 12 | 2 | 17.768 | 21/6:12.748 |
| 13 | 2 | 17.501 | 21/6:12.489 |
| 14 | 2 | 17.056 | 21/6:11.585 |
| 15 | 2 | 17.016 | 21/6:10.753 |
| 16 | 2 | 17.035 | 21/6:10.058 |
| 17 | 2 | 18.892 | 21/6:11.770 |
| 18 | 2 | 17.938 | 21/6:12.159 |
| 19 | 2 | 18.152 | 21/6:12.742 |
| 20 | 2 | 19.766 | 21/6:14.963 |
| 21 | 2 | 19.962 | 21/6:17.158 |