| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.182 | 20/6:03.064 |
| 2 | 3 | 18.775 | 20/6:09.057 |
| 3 | 3 | 17.982 | 20/6:06.026 |
| 4 | 2 | 17.937 | 20/6:04.038 |
| 5 | 2 | 17.875 | 20/6:03.004 |
| 6 | 2 | 17.884 | 20/6:02.116 |
| 7 | 2 | 18.570 | 20/6:03.442 |
| 8 | 2 | 17.899 | 20/6:02.076 |
| 9 | 2 | 17.883 | 20/6:02.193 |
| 10 | 2 | 18.557 | 20/6:03.088 |
| 11 | 2 | 18.910 | 20/6:04.461 |
| 12 | 2 | 19.441 | 20/6:06.491 |
| 13 | 3 | 22.744 | 20/6:13.290 |
| 14 | 3 | 18.403 | 20/6:12.917 |
| 15 | 3 | 20.226 | 20/6:15.024 |
| 16 | 3 | 18.188 | 20/6:14.032 |
| 17 | 3 | 19.238 | 20/6:14.934 |
| 18 | 3 | 18.316 | 20/6:14.455 |
| 19 | 3 | 18.661 | 20/6:14.390 |
| 20 | 4 | 18.583 | 20/6:14.254 |