| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.822 | 20/6:16.440 |
| 2 | 3 | 19.427 | 19/6:03.365 |
| 3 | 3 | 19.176 | 19/6:03.692 |
| 4 | 3 | 19.353 | 19/6:04.695 |
| 5 | 3 | 17.889 | 20/6:18.668 |
| 6 | 3 | 18.241 | 20/6:16.360 |
| 7 | 3 | 19.391 | 20/6:17.997 |
| 8 | 3 | 19.078 | 20/6:18.442 |
| 9 | 4 | 19.19 | 20/6:18.616 |
| 10 | 4 | 18.516 | 20/6:17.786 |
| 11 | 4 | 19.322 | 20/6:18.573 |
| 12 | 4 | 18.835 | 20/6:18.417 |
| 13 | 4 | 18.159 | 20/6:17.245 |
| 14 | 4 | 18.723 | 20/6:17.046 |
| 15 | 4 | 19.051 | 20/6:17.311 |
| 16 | 4 | 18.774 | 20/6:17.196 |
| 17 | 4 | 18.691 | 20/6:16.998 |
| 18 | 4 | 18.842 | 20/6:16.989 |
| 19 | 4 | 18.772 | 20/6:16.907 |
| 20 | 4 | 19.270 | 20/6:17.332 |