| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.466 | 21/6:06.786 |
| 2 | 1 | 18.156 | 21/6:14.031 |
| 3 | 1 | 17.980 | 21/6:15.214 |
| 4 | 2 | 19.337 | 20/6:04.695 |
| 5 | 2 | 17.046 | 21/6:17.937 |
| 6 | 2 | 19.279 | 20/6:04.213 |
| 7 | 2 | 17.082 | 20/6:00.989 |
| 8 | 2 | 18.278 | 20/6:01.560 |
| 9 | 2 | 17.387 | 20/6:00.024 |
| 10 | 2 | 17.951 | 21/6:17.920 |
| 11 | 2 | 18.647 | 20/6:01.107 |
| 12 | 1 | 17.657 | 20/6:00.443 |
| 13 | 2 | 19.342 | 20/6:02.474 |
| 14 | 1 | 18.691 | 20/6:03.284 |
| 15 | 1 | 17.261 | 20/6:02.080 |
| 16 | 1 | 17.629 | 20/6:01.486 |
| 17 | 1 | 21.559 | 20/6:05.586 |
| 18 | 1 | 17.262 | 20/6:04.456 |
| 19 | 1 | 16.683 | 20/6:02.835 |
| 20 | 2 | 27.454 | 20/6:12.147 |