| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 26.737 | N/A |
| 2 | 4 | 19.696 | 21/7:00.657 |
| 3 | 4 | 18.671 | 22/7:09.590 |
| 4 | 4 | 22.569 | 21/7:12.977 |
| 5 | 4 | 18.965 | 21/7:06.242 |
| 6 | 5 | 21.148 | 21/7:10.933 |
| 7 | 5 | 21.032 | 21/7:13.673 |
| 8 | 5 | 20.440 | 21/7:13.939 |
| 9 | 6 | 19.069 | 21/7:10.712 |
| 10 | 5 | 20.387 | 21/7:11.130 |
| 11 | 5 | 19.254 | 21/7:09.199 |
| 12 | 5 | 18.697 | 21/7:06.606 |
| 13 | 5 | 20.149 | 21/7:06.865 |
| 14 | 5 | 19.693 | 21/7:06.383 |
| 15 | 4 | 17.989 | 21/7:03.535 |
| 16 | 4 | 19.341 | 21/7:02.870 |
| 17 | 4 | 18.946 | 21/7:01.794 |
| 18 | 4 | 18.592 | 21/7:00.428 |
| 19 | 4 | 19.734 | 21/7:00.483 |
| 20 | 4 | 19.756 | 21/7:00.555 |
| 21 | 4 | 23.295 | 21/7:04.160 |