| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.401 | 21/7:08.421 |
| 2 | 2 | 20.888 | 21/7:13.535 |
| 3 | 2 | 20.295 | 21/7:11.088 |
| 4 | 1 | 20.160 | 21/7:09.156 |
| 5 | 1 | 22.420 | 21/7:17.489 |
| 6 | 1 | 18.996 | 21/7:11.060 |
| 7 | 1 | 21.370 | 21/7:13.590 |
| 8 | 1 | 20.935 | 21/7:14.346 |
| 9 | 1 | 18.732 | 21/7:09.793 |
| 10 | 2 | 23.581 | 21/7:16.334 |
| 11 | 2 | 20.674 | 21/7:16.136 |
| 12 | 1 | 21.060 | 21/7:16.646 |
| 13 | 1 | 20.038 | 21/7:15.427 |
| 14 | 1 | 21.200 | 21/7:16.125 |
| 15 | 1 | 20.135 | 21/7:15.239 |
| 16 | 1 | 20.032 | 21/7:14.329 |
| 17 | 1 | 20.471 | 21/7:14.068 |
| 18 | 1 | 19.707 | 21/7:12.944 |
| 19 | 1 | 21.145 | 21/7:13.528 |
| 20 | 1 | 20.540 | 21/7:13.419 |
| 21 | 1 | 20.710 | 21/7:13.490 |