| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.066 | N/A |
| 2 | 1 | 20.144 | 21/7:00.946 |
| 3 | 1 | 19.816 | 22/7:17.646 |
| 4 | 1 | 20.577 | 21/7:01.646 |
| 5 | 1 | 20.227 | 21/7:01.886 |
| 6 | 1 | 20.337 | 21/7:02.047 |
| 7 | 1 | 20.757 | 21/7:04.259 |
| 8 | 1 | 20.067 | 21/7:03.566 |
| 9 | 1 | 20.050 | 21/7:03.003 |
| 10 | 1 | 19.991 | 21/7:02.434 |
| 11 | 1 | 20.278 | 21/7:02.554 |
| 12 | 1 | 20.209 | 21/7:02.526 |
| 13 | 1 | 19.805 | 21/7:01.829 |
| 14 | 1 | 19.975 | 21/7:01.501 |
| 15 | 1 | 19.907 | 21/7:01.123 |
| 16 | 1 | 20.184 | 21/7:01.164 |
| 17 | 1 | 19.301 | 21/7:00.097 |
| 18 | 1 | 20.309 | 21/7:00.341 |
| 19 | 1 | 21.934 | 21/7:02.363 |
| 20 | 1 | 20.480 | 21/7:02.642 |
| 21 | 1 | 19.549 | 21/7:01.963 |