Breaking 3:05 at the Osaka Marathon
Even splits would be 4:23/km (7:03/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
4:22/km (7:02/mi)
30–36 km
The course's one real rise — hold effort, not pace
4:28/km (7:11/mi)
36–42.2 km
4:23/km (7:03/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 21:51 | 21:51 | 4:22/km |
| 10 km | 21:51 | 43:42 | 4:22/km |
| 15 km | 21:51 | 1:05:32 | 4:22/km |
| 20 km | 21:51 | 1:27:23 | 4:22/km |
| Half | 4:48 | 1:32:11 | 4:22/km |
| 25 km | 17:03 | 1:49:14 | 4:22/km |
| 30 km | 21:51 | 2:11:05 | 4:22/km |
| 35 km | 22:20 | 2:33:25 | 4:28/km |
| 40 km | 21:59 | 2:55:23 | 4:23/km |
| Finish | 9:37 | 3:05:00 | 4:23/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.