Breaking 4:30 at the Porto Marathon
Even splits would be 6:24/km (10:18/mi). But Porto 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
0–10 km
6:25/km (10:19/mi)
10–35 km
Flat riverside and coast
6:23/km (10:16/mi)
35–42.2 km
Small rises back toward the finish
6:26/km (10:21/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 32:05 | 32:05 | 6:25/km |
| 10 km | 32:05 | 1:04:09 | 6:25/km |
| 15 km | 31:55 | 1:36:04 | 6:23/km |
| 20 km | 31:55 | 2:08:00 | 6:23/km |
| Half | 7:00 | 2:15:00 | 6:23/km |
| 25 km | 24:55 | 2:39:55 | 6:23/km |
| 30 km | 31:55 | 3:11:50 | 6:23/km |
| 35 km | 31:55 | 3:43:45 | 6:23/km |
| 40 km | 32:09 | 4:15:53 | 6:26/km |
| Finish | 14:07 | 4:30:00 | 6:26/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.