Breaking 3:30 at the Porto Marathon
Even splits would be 4:59/km (8:01/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
4:59/km (8:02/mi)
10–35 km
Flat riverside and coast
4:58/km (7:59/mi)
35–42.2 km
Small rises back toward the finish
5:00/km (8:03/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 24:57 | 24:57 | 4:59/km |
| 10 km | 24:57 | 49:54 | 4:59/km |
| 15 km | 24:50 | 1:14:43 | 4:58/km |
| 20 km | 24:50 | 1:39:33 | 4:58/km |
| Half | 5:27 | 1:45:00 | 4:58/km |
| 25 km | 19:23 | 2:04:23 | 4:58/km |
| 30 km | 24:50 | 2:29:12 | 4:58/km |
| 35 km | 24:50 | 2:54:02 | 4:58/km |
| 40 km | 25:00 | 3:19:02 | 5:00/km |
| Finish | 10:58 | 3:30:00 | 5:00/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.