| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.171 | 21/7:03.591 |
| 2 | 1 | 19.573 | 22/7:17.184 |
| 3 | 1 | 22.709 | 21/7:17.171 |
| 4 | 1 | 19.093 | 21/7:08.117 |
| 5 | 1 | 18.983 | 21/7:02.222 |
| 6 | 1 | 22.149 | 21/7:09.373 |
| 7 | 1 | 20.839 | 21/7:10.551 |
| 8 | 1 | 20.666 | 21/7:10.980 |
| 9 | 1 | 25.538 | 20/7:01.602 |
| 10 | 1 | 21.194 | 20/7:01.830 |
| 11 | 1 | 22.191 | 20/7:03.829 |
| 12 | 1 | 20.106 | 20/7:02.020 |
| 13 | 1 | 21.155 | 20/7:02.103 |
| 14 | 1 | 23.098 | 20/7:04.950 |
| 15 | 1 | 25.280 | 20/7:10.327 |
| 16 | 1 | 25.383 | 20/7:15.160 |
| 17 | 1 | 26.379 | 20/7:20.596 |
| 18 | 1 | 20.987 | 20/7:19.438 |
| 19 | 1 | 25.763 | 19/7:01.257 |