| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.614 | 17/6:07.438 |
| 2 | 3 | 21.377 | 17/6:05.423 |
| 3 | 3 | 20.066 | 18/6:18.342 |
| 4 | 3 | 21.664 | 17/6:00.064 |
| 5 | 3 | 21.279 | 17/6:00.400 |
| 6 | 2 | 19.619 | 18/6:16.857 |
| 7 | 2 | 19.608 | 18/6:13.441 |
| 8 | 2 | 20.232 | 18/6:12.283 |
| 9 | 2 | 20.021 | 18/6:10.960 |
| 10 | 2 | 19.307 | 18/6:08.617 |
| 11 | 2 | 19.736 | 18/6:07.401 |
| 12 | 2 | 19.678 | 18/6:06.302 |
| 13 | 2 | 19.870 | 18/6:05.637 |
| 14 | 2 | 19.380 | 18/6:04.437 |
| 15 | 3 | 20.710 | 18/6:04.993 |
| 16 | 3 | 19.521 | 18/6:04.142 |
| 17 | 3 | 19.983 | 18/6:03.881 |
| 18 | 3 | 19.460 | 18/6:03.125 |