| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.996 | 19/6:00.924 |
| 2 | 4 | 18.678 | 20/6:16.740 |
| 3 | 3 | 18.869 | 20/6:16.953 |
| 4 | 2 | 18.119 | 20/6:13.310 |
| 5 | 2 | 17.727 | 20/6:09.556 |
| 6 | 1 | 17.922 | 20/6:07.703 |
| 7 | 1 | 17.923 | 20/6:06.383 |
| 8 | 1 | 17.698 | 20/6:04.830 |
| 9 | 1 | 17.410 | 20/6:02.982 |
| 10 | 1 | 18.130 | 20/6:02.944 |
| 11 | 1 | 18.440 | 20/6:03.476 |
| 12 | 1 | 17.998 | 20/6:03.183 |
| 13 | 1 | 18.085 | 20/6:03.069 |
| 14 | 1 | 18.145 | 20/6:03.057 |
| 15 | 1 | 17.988 | 20/6:02.837 |
| 16 | 1 | 18.047 | 20/6:02.719 |
| 17 | 1 | 18.184 | 20/6:02.775 |
| 18 | 1 | 18.674 | 20/6:03.370 |
| 19 | 1 | 19.267 | 20/6:04.526 |
| 20 | 1 | 18.152 | 20/6:04.452 |