Breaking 4:30 at the Osaka Marathon
Even splits would be 6:24/km (10:18/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
6:23/km (10:16/mi)
30–36 km
The course's one real rise — hold effort, not pace
6:31/km (10:29/mi)
36–42.2 km
6:23/km (10:17/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 31:53 | 31:53 | 6:23/km |
| 10 km | 31:53 | 1:03:46 | 6:23/km |
| 15 km | 31:53 | 1:35:39 | 6:23/km |
| 20 km | 31:53 | 2:07:32 | 6:23/km |
| Half | 7:00 | 2:14:32 | 6:23/km |
| 25 km | 24:53 | 2:39:25 | 6:23/km |
| 30 km | 31:53 | 3:11:19 | 6:23/km |
| 35 km | 32:35 | 3:43:54 | 6:31/km |
| 40 km | 32:05 | 4:15:58 | 6:23/km |
| Finish | 14:02 | 4:30:00 | 6:23/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.