| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.377 | 20/6:07.540 |
| 2 | 1 | 19.631 | 19/6:01.076 |
| 3 | 1 | 19.266 | 19/6:02.735 |
| 4 | 1 | 18.736 | 19/6:01.047 |
| 5 | 1 | 18.286 | 20/6:17.184 |
| 6 | 1 | 18.920 | 20/6:17.387 |
| 7 | 1 | 19.038 | 20/6:17.869 |
| 8 | 1 | 18.418 | 20/6:16.680 |
| 9 | 1 | 18.421 | 20/6:15.762 |
| 10 | 1 | 19.267 | 20/6:16.720 |
| 11 | 1 | 18.697 | 20/6:16.467 |
| 12 | 1 | 18.128 | 20/6:15.308 |
| 13 | 1 | 18.760 | 20/6:15.300 |
| 14 | 1 | 18.364 | 20/6:14.727 |
| 15 | 1 | 18.961 | 20/6:15.027 |
| 16 | 1 | 19.423 | 20/6:15.866 |
| 17 | 1 | 19.473 | 20/6:16.666 |
| 18 | 1 | 18.300 | 20/6:16.073 |
| 19 | 1 | 19.922 | 20/6:17.251 |
| 20 | 1 | 18.826 | 20/6:17.214 |