To finish a marathon (42.195 km) in 3:15, you need to hold 4:37 per kilometre, a speed of 13.0 km/h, from start to finish.
| Km | Time |
|---|---|
| 5 | 23:06 |
| 10 | 46:13 |
| 15 | 1:09:19 |
| 20 | 1:32:26 |
| 21.0975Half | 1:37:30 |
| 25 | 1:55:32 |
| 30 | 2:18:39 |
| 35 | 2:41:45 |
| 40 | 3:04:51 |
| 42.195Finish | 3:15:00 |