| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 26.350 | N/A |
| 2 | 4 | 19.766 | 21/7:01.067 |
| 3 | 3 | 20.112 | 21/7:05.013 |
| 4 | 3 | 19.917 | 21/7:04.983 |
| 5 | 2 | 20.154 | 21/7:06.095 |
| 6 | 2 | 20.077 | 21/7:06.454 |
| 7 | 2 | 19.517 | 21/7:04.826 |
| 8 | 2 | 20.787 | 21/7:07.292 |
| 9 | 2 | 20.503 | 21/7:08.432 |
| 10 | 2 | 20.545 | 21/7:09.412 |
| 11 | 2 | 19.827 | 21/7:08.076 |
| 12 | 2 | 19.514 | 21/7:07.657 |
| 13 | 2 | 19.525 | 21/7:06.756 |
| 14 | 2 | 20.327 | 21/7:07.228 |
| 15 | 2 | 19.339 | 21/7:06.221 |
| 16 | 2 | 19.781 | 21/7:05.938 |
| 17 | 2 | 19.319 | 21/7:05.112 |
| 18 | 2 | 19.400 | 21/7:04.479 |
| 19 | 2 | 19.446 | 21/7:03.967 |
| 20 | 2 | 19.520 | 21/7:03.587 |
| 21 | 2 | 19.882 | 21/7:03.608 |