| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.734 | N/A |
| 2 | 1 | 20.630 | 21/7:12.334 |
| 3 | 1 | 20.671 | 21/7:12.744 |
| 4 | 1 | 20.529 | 21/7:11.934 |
| 5 | 1 | 21.150 | 21/7:14.634 |
| 6 | 1 | 20.627 | 21/7:14.162 |
| 7 | 1 | 20.567 | 21/7:13.647 |
| 8 | 1 | 21.152 | 21/7:14.951 |
| 9 | 1 | 20.465 | 21/7:14.211 |
| 10 | 1 | 21.495 | 21/7:15.925 |
| 11 | 1 | 21.078 | 21/7:16.462 |
| 12 | 1 | 20.927 | 21/7:16.626 |
| 13 | 1 | 20.603 | 21/7:16.224 |
| 14 | 1 | 20.787 | 21/7:16.166 |
| 15 | 1 | 20.691 | 21/7:15.979 |
| 16 | 1 | 21.630 | 21/7:17.007 |
| 17 | 1 | 22.749 | 21/7:19.422 |
| 18 | 1 | 21.127 | 21/7:19.590 |
| 19 | 1 | 22.457 | 20/7:00.143 |
| 20 | 1 | 20.755 | 21/7:20.881 |
| 21 | 1 | 21.116 | 21/7:20.940 |