Breaking 4:00 at the Osaka Marathon
Even splits would be 5:41/km (9:09/mi). But Osaka Marathon isn't flat-even — the plan below redistributes the same finish time across the course the way experienced runners actually race it.
How to pace this course
0–30 km
5:40/km (9:07/mi)
30–36 km
The course's one real rise — hold effort, not pace
5:48/km (9:19/mi)
36–42.2 km
5:41/km (9:08/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 28:21 | 28:21 | 5:40/km |
| 10 km | 28:21 | 56:41 | 5:40/km |
| 15 km | 28:21 | 1:25:02 | 5:40/km |
| 20 km | 28:21 | 1:53:22 | 5:40/km |
| Half | 6:13 | 1:59:35 | 5:40/km |
| 25 km | 22:07 | 2:21:43 | 5:40/km |
| 30 km | 28:21 | 2:50:03 | 5:40/km |
| 35 km | 28:58 | 3:19:01 | 5:48/km |
| 40 km | 28:31 | 3:47:32 | 5:41/km |
| Finish | 12:28 | 4:00:00 | 5:41/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.