| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.317 | 20/6:06.340 |
| 2 | 1 | 18.681 | 20/6:09.980 |
| 3 | 1 | 19.127 | 20/6:14.167 |
| 4 | 1 | 18.967 | 20/6:15.460 |
| 5 | 1 | 19.064 | 20/6:16.624 |
| 6 | 2 | 19.277 | 20/6:18.110 |
| 7 | 2 | 19.113 | 20/6:18.703 |
| 8 | 2 | 19.291 | 19/6:00.613 |
| 9 | 1 | 18.669 | 20/6:18.902 |
| 10 | 1 | 18.671 | 20/6:18.354 |
| 11 | 2 | 19.226 | 20/6:18.915 |
| 12 | 1 | 18.917 | 20/6:18.867 |
| 13 | 3 | 19.190 | 19/6:00.284 |
| 14 | 3 | 18.972 | 19/6:00.297 |
| 15 | 2 | 20.245 | 19/6:01.921 |
| 16 | 2 | 19.444 | 19/6:02.391 |
| 17 | 2 | 18.416 | 19/6:01.656 |
| 18 | 2 | 19.076 | 19/6:01.700 |
| 19 | 2 | 18.821 | 19/6:01.484 |