| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.387 | 21/6:05.127 |
| 2 | 5 | 17.020 | 21/6:01.273 |
| 3 | 4 | 17.591 | 21/6:03.986 |
| 4 | 4 | 17.601 | 21/6:05.395 |
| 5 | 5 | 17.319 | 21/6:05.056 |
| 6 | 5 | 17.012 | 21/6:03.755 |
| 7 | 4 | 16.883 | 21/6:02.439 |
| 8 | 4 | 17.380 | 21/6:02.757 |
| 9 | 4 | 17.497 | 21/6:03.277 |
| 10 | 5 | 17.687 | 21/6:04.092 |
| 11 | 5 | 18.097 | 21/6:05.541 |
| 12 | 5 | 17.515 | 21/6:05.731 |
| 13 | 5 | 17.601 | 21/6:06.030 |
| 14 | 4 | 17.189 | 21/6:05.668 |
| 15 | 4 | 17.385 | 21/6:05.630 |
| 16 | 4 | 17.598 | 21/6:05.875 |
| 17 | 4 | 17.420 | 21/6:05.872 |
| 18 | 4 | 17.529 | 21/6:05.996 |
| 19 | 4 | 17.450 | 21/6:06.020 |
| 20 | 4 | 17.280 | 21/6:05.863 |
| 21 | 4 | 17.602 | 21/6:06.043 |