Breaking 2:55 at the Osaka Marathon
Even splits would be 4:09/km (6:40/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
4:08/km (6:39/mi)
30–36 km
The course's one real rise — hold effort, not pace
4:13/km (6:48/mi)
36–42.2 km
4:08/km (6:40/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 20:40 | 20:40 | 4:08/km |
| 10 km | 20:40 | 41:20 | 4:08/km |
| 15 km | 20:40 | 1:02:00 | 4:08/km |
| 20 km | 20:40 | 1:22:40 | 4:08/km |
| Half | 4:32 | 1:27:12 | 4:08/km |
| 25 km | 16:08 | 1:43:20 | 4:08/km |
| 30 km | 20:40 | 2:04:00 | 4:08/km |
| 35 km | 21:07 | 2:25:07 | 4:13/km |
| 40 km | 20:47 | 2:45:55 | 4:08/km |
| Finish | 9:05 | 2:55:00 | 4:08/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.