| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.703 | 21/6:11.763 |
| 2 | 1 | 17.835 | 21/6:13.149 |
| 3 | 1 | 17.991 | 21/6:14.703 |
| 4 | 1 | 19.448 | 20/6:04.885 |
| 5 | 1 | 18.505 | 20/6:05.928 |
| 6 | 1 | 18.699 | 20/6:07.270 |
| 7 | 1 | 18.318 | 20/6:07.140 |
| 8 | 1 | 18.615 | 20/6:07.785 |
| 9 | 1 | 19.273 | 20/6:09.749 |
| 10 | 1 | 18.737 | 20/6:10.248 |
| 11 | 1 | 18.251 | 20/6:09.773 |
| 12 | 1 | 18.564 | 20/6:09.898 |
| 13 | 1 | 18.477 | 20/6:09.871 |
| 14 | 1 | 17.940 | 20/6:09.080 |
| 15 | 1 | 18.712 | 20/6:09.424 |
| 16 | 1 | 20.189 | 20/6:11.571 |
| 17 | 1 | 18.138 | 20/6:11.053 |
| 18 | 1 | 18.038 | 20/6:10.481 |
| 19 | 1 | 17.744 | 20/6:09.660 |
| 20 | 1 | 22.030 | 20/6:13.207 |