| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.671 | N/A |
| 2 | 1 | 20.089 | 21/7:05.451 |
| 3 | 1 | 20.050 | 21/7:05.061 |
| 4 | 1 | 19.486 | 21/7:01.171 |
| 5 | 2 | 19.190 | 22/7:17.449 |
| 6 | 2 | 19.904 | 22/7:18.290 |
| 7 | 2 | 20.016 | 22/7:19.243 |
| 8 | 2 | 20.053 | 21/7:00.208 |
| 9 | 2 | 22.988 | 21/7:08.111 |
| 10 | 2 | 22.149 | 21/7:12.393 |
| 11 | 2 | 19.288 | 21/7:10.097 |
| 12 | 2 | 18.054 | 21/7:05.974 |
| 13 | 2 | 19.693 | 21/7:05.271 |
| 14 | 2 | 19.122 | 21/7:03.797 |
| 15 | 2 | 21.137 | 21/7:05.412 |
| 16 | 2 | 19.607 | 21/7:04.772 |
| 17 | 2 | 19.608 | 21/7:04.213 |
| 18 | 2 | 19.490 | 21/7:03.581 |
| 19 | 2 | 22.571 | 21/7:06.443 |
| 20 | 2 | 20.940 | 21/7:07.286 |
| 21 | 2 | 19.090 | 21/7:06.196 |