Breaking 2:55 at the Porto Marathon
Even splits would be 4:09/km (6:40/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
4:09/km (6:42/mi)
10–35 km
Flat riverside and coast
4:08/km (6:40/mi)
35–42.2 km
Small rises back toward the finish
4:10/km (6:42/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 20:47 | 20:47 | 4:09/km |
| 10 km | 20:47 | 41:35 | 4:09/km |
| 15 km | 20:41 | 1:02:16 | 4:08/km |
| 20 km | 20:41 | 1:22:57 | 4:08/km |
| Half | 4:32 | 1:27:30 | 4:08/km |
| 25 km | 16:09 | 1:43:39 | 4:08/km |
| 30 km | 20:41 | 2:04:20 | 4:08/km |
| 35 km | 20:41 | 2:25:01 | 4:08/km |
| 40 km | 20:50 | 2:45:51 | 4:10/km |
| Finish | 9:09 | 2:55:00 | 4:10/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.