| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 26.017 | N/A |
| 2 | 4 | 19.911 | 21/7:04.237 |
| 3 | 5 | 19.894 | 21/7:04.067 |
| 4 | 4 | 19.842 | 21/7:03.663 |
| 5 | 4 | 19.072 | 22/7:19.291 |
| 6 | 4 | 19.632 | 22/7:19.091 |
| 7 | 4 | 19.059 | 22/7:16.952 |
| 8 | 4 | 19.213 | 22/7:15.886 |
| 9 | 3 | 19.397 | 22/7:15.569 |
| 10 | 4 | 21.038 | 22/7:19.152 |
| 11 | 4 | 20.373 | 21/7:00.879 |
| 12 | 5 | 20.995 | 21/7:03.155 |
| 13 | 5 | 19.617 | 21/7:02.755 |
| 14 | 5 | 19.551 | 21/7:02.315 |
| 15 | 5 | 19.931 | 21/7:02.481 |
| 16 | 5 | 18.532 | 21/7:00.759 |
| 17 | 5 | 19.192 | 21/7:00.078 |
| 18 | 5 | 19.894 | 21/7:00.302 |
| 19 | 5 | 19.994 | 21/7:00.613 |
| 20 | 5 | 21.174 | 21/7:02.133 |
| 21 | 5 | 18.774 | 21/7:01.102 |