| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 16.980 | 18/5:05.640 |
| 2 | 4 | 17.105 | 18/5:06.765 |
| 3 | 5 | 17.245 | 18/5:07.980 |
| 4 | 5 | 17.189 | 18/5:08.336 |
| 5 | 5 | 17.130 | 18/5:08.336 |
| 6 | 6 | 17.598 | 18/5:09.741 |
| 7 | 5 | 17.116 | 18/5:09.505 |
| 8 | 7 | 18.175 | 18/5:11.711 |
| 9 | 7 | 17.448 | 18/5:11.972 |
| 10 | 7 | 17.449 | 18/5:12.183 |
| 11 | 6 | 17.176 | 18/5:11.909 |
| 12 | 6 | 17.365 | 18/5:11.964 |
| 13 | 6 | 17.082 | 18/5:11.619 |
| 14 | 7 | 18.390 | 18/5:13.005 |
| 15 | 6 | 17.362 | 18/5:12.972 |
| 16 | 6 | 17.411 | 18/5:12.999 |
| 17 | 7 | 17.391 | 18/5:13.001 |
| 18 | 7 | 17.214 | 18/5:12.826 |