| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.318 | 21/6:03.678 |
| 2 | 3 | 16.998 | 21/6:00.318 |
| 3 | 3 | 17.178 | 21/6:00.458 |
| 4 | 3 | 17.601 | 21/6:02.749 |
| 5 | 4 | 17.361 | 21/6:03.115 |
| 6 | 4 | 17.344 | 21/6:03.300 |
| 7 | 4 | 17.248 | 21/6:03.144 |
| 8 | 4 | 17.430 | 21/6:03.505 |
| 9 | 4 | 17.061 | 21/6:02.924 |
| 10 | 4 | 17.493 | 21/6:03.367 |
| 11 | 4 | 17.284 | 21/6:03.331 |
| 12 | 4 | 16.858 | 21/6:02.555 |
| 13 | 4 | 17.046 | 21/6:02.202 |
| 14 | 4 | 17.736 | 21/6:02.934 |
| 15 | 4 | 17.849 | 21/6:03.727 |
| 16 | 4 | 17.349 | 21/6:03.765 |
| 17 | 4 | 17.591 | 21/6:04.097 |
| 18 | 4 | 17.378 | 21/6:04.143 |
| 19 | 4 | 17.488 | 21/6:04.307 |
| 20 | 4 | 17.602 | 21/6:04.574 |
| 21 | 4 | 17.740 | 21/6:04.953 |