| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 22.917 | N/A |
| 2 | 3 | 19.908 | 21/7:01.077 |
| 3 | 3 | 20.079 | 21/7:02.787 |
| 4 | 3 | 20.223 | 21/7:04.317 |
| 5 | 4 | 22.465 | 21/7:16.292 |
| 6 | 3 | 19.534 | 21/7:11.753 |
| 7 | 2 | 20.432 | 21/7:11.720 |
| 8 | 1 | 19.483 | 21/7:08.985 |
| 9 | 3 | 21.141 | 21/7:11.079 |
| 10 | 3 | 21.314 | 21/7:13.092 |
| 11 | 3 | 19.183 | 21/7:10.441 |
| 12 | 2 | 19.605 | 21/7:09.038 |
| 13 | 2 | 18.943 | 21/7:06.767 |
| 14 | 2 | 20.030 | 21/7:06.517 |
| 15 | 1 | 20.234 | 21/7:06.594 |
| 16 | 2 | 20.089 | 21/7:06.467 |
| 17 | 3 | 19.782 | 21/7:05.973 |
| 18 | 3 | 23.880 | 21/7:10.358 |
| 19 | 3 | 20.351 | 21/7:10.334 |
| 20 | 3 | 20.402 | 21/7:10.367 |
| 21 | 3 | 21.720 | 21/7:11.715 |