| 0. 0 | 1:12.70 | ||
| 1:50.40 | (37.70) | 2:28.50 | (38.10) |
| 3:06.64 | (38.14) | 3:45.50 | (38.86) |
| 4:23.80 | (38.30) | 5:02.52 | (38.72) |
| 5:41.25 | (38.73) | 6:20.30 | (39.05) |
| 6:51.25 | (30.95) | 7:38.18 | (46.93) |
| 8:17.56 | (39.38) | 8:56.84 | (39.28) |
| 9:36.28 | (39.44) | 10:15.92 | (39.64) |
| 10:55.28 | (39.36) | 11:34.90 | (39.62) |
| 12:14.39 | (39.49) | 12:53.83 | (39.44) |
| 13:33.41 | (39.58) | 14:13.45 | (40.04) |
| 14:53.25 | (39.80) | 15:33.63 | (40.38) |
| 16:13.58 | (39.95) | 16:53.39 | (39.81) |
| 17:32.95 | (39.56) | 18:12.14 | (39.19) |
| 0. 0 | 19:28.99 |