| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.307 | 19/6:06.833 |
| 2 | 1 | 19.445 | 19/6:08.144 |
| 3 | 1 | 19.433 | 19/6:08.505 |
| 4 | 1 | 19.450 | 19/6:08.766 |
| 5 | 1 | 19.571 | 19/6:09.383 |
| 6 | 1 | 19.895 | 19/6:10.820 |
| 7 | 1 | 19.549 | 19/6:10.907 |
| 8 | 1 | 19.922 | 19/6:11.858 |
| 9 | 1 | 19.322 | 19/6:11.332 |
| 10 | 1 | 19.902 | 19/6:12.012 |
| 11 | 1 | 20.085 | 19/6:12.885 |
| 12 | 1 | 19.955 | 19/6:13.407 |
| 13 | 1 | 19.532 | 19/6:13.230 |
| 14 | 1 | 20.168 | 19/6:13.942 |
| 15 | 1 | 19.998 | 19/6:14.343 |
| 16 | 1 | 19.922 | 19/6:14.604 |
| 17 | 1 | 20.625 | 19/6:15.620 |
| 18 | 1 | 20.623 | 19/6:16.521 |
| 19 | 1 | 20.281 | 19/6:16.985 |