| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.332 | 19/6:07.308 |
| 2 | 1 | 19.186 | 19/6:05.921 |
| 3 | 1 | 19.548 | 19/6:07.751 |
| 4 | 1 | 19.695 | 19/6:09.365 |
| 5 | 1 | 19.199 | 19/6:08.448 |
| 6 | 1 | 19.291 | 19/6:08.128 |
| 7 | 3 | 19.430 | 19/6:08.277 |
| 8 | 3 | 19.595 | 19/6:08.780 |
| 9 | 3 | 20.790 | 19/6:11.695 |
| 10 | 3 | 19.274 | 19/6:11.146 |
| 11 | 3 | 20.325 | 19/6:12.512 |
| 12 | 3 | 19.225 | 19/6:11.909 |
| 13 | 3 | 20.213 | 19/6:12.843 |
| 14 | 3 | 21.327 | 19/6:15.155 |
| 15 | 3 | 20.378 | 19/6:15.957 |
| 16 | 3 | 20.508 | 19/6:16.813 |
| 17 | 3 | 20.059 | 19/6:17.066 |
| 18 | 3 | 21.750 | 19/6:19.076 |
| 19 | 3 | 20.096 | 19/6:19.221 |