To finish a marathon (42.195 km) in 4 hours, you need to hold 5:41 per kilometre, a speed of 10.5 km/h, from start to finish.
| Km | Time |
|---|---|
| 5 | 28:26 |
| 10 | 56:53 |
| 15 | 1:25:19 |
| 20 | 1:53:45 |
| 21.0975Half | 2:00:00 |
| 25 | 2:22:12 |
| 30 | 2:50:38 |
| 35 | 3:19:05 |
| 40 | 3:47:31 |
| 42.195Finish | 4:00:00 |