| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.826 | 21/6:14.346 |
| 2 | 4 | 17.695 | 21/6:12.971 |
| 3 | 3 | 17.604 | 21/6:11.875 |
| 4 | 2 | 17.986 | 21/6:13.333 |
| 5 | 1 | 17.768 | 21/6:13.292 |
| 6 | 1 | 17.534 | 21/6:12.446 |
| 7 | 1 | 18.455 | 21/6:14.604 |
| 8 | 2 | 17.702 | 21/6:14.246 |
| 9 | 2 | 17.896 | 21/6:14.421 |
| 10 | 1 | 17.397 | 21/6:13.512 |
| 11 | 1 | 17.935 | 21/6:13.796 |
| 12 | 1 | 17.759 | 21/6:13.725 |
| 13 | 1 | 17.511 | 21/6:13.264 |
| 14 | 2 | 20.440 | 21/6:17.262 |
| 15 | 2 | 18.701 | 20/6:00.279 |
| 16 | 2 | 17.744 | 21/6:17.938 |
| 17 | 2 | 18.036 | 21/6:17.986 |
| 18 | 2 | 17.783 | 21/6:17.734 |
| 19 | 2 | 18.101 | 21/6:17.860 |
| 20 | 2 | 19.524 | 20/6:01.397 |