| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.681 | 19/6:13.939 |
| 2 | 1 | 19.713 | 19/6:14.243 |
| 3 | 1 | 19.717 | 19/6:14.370 |
| 4 | 1 | 19.236 | 19/6:12.148 |
| 5 | 1 | 18.568 | 19/6:08.277 |
| 6 | 1 | 18.582 | 19/6:05.740 |
| 7 | 1 | 18.359 | 19/6:03.323 |
| 8 | 1 | 18.630 | 19/6:02.154 |
| 9 | 1 | 18.216 | 19/6:00.371 |
| 10 | 1 | 18.942 | 19/6:00.324 |
| 11 | 1 | 19.355 | 19/6:00.998 |
| 12 | 1 | 18.259 | 20/6:18.763 |
| 13 | 1 | 18.650 | 20/6:18.320 |
| 14 | 1 | 18.892 | 20/6:18.286 |
| 15 | 1 | 18.438 | 20/6:17.651 |
| 16 | 1 | 18.789 | 20/6:17.534 |
| 17 | 1 | 19.768 | 20/6:18.582 |
| 18 | 1 | 18.191 | 20/6:17.762 |
| 19 | 1 | 18.261 | 20/6:17.102 |
| 20 | 1 | 18.300 | 20/6:16.547 |