Breaking 3:00 at the Porto Marathon
Even splits would be 4:16/km (6:52/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
4:17/km (6:53/mi)
10–35 km
Flat riverside and coast
4:15/km (6:51/mi)
35–42.2 km
Small rises back toward the finish
4:17/km (6:54/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 21:23 | 21:23 | 4:17/km |
| 10 km | 21:23 | 42:46 | 4:17/km |
| 15 km | 21:17 | 1:04:03 | 4:15/km |
| 20 km | 21:17 | 1:25:20 | 4:15/km |
| Half | 4:40 | 1:30:00 | 4:15/km |
| 25 km | 16:36 | 1:46:36 | 4:15/km |
| 30 km | 21:17 | 2:07:53 | 4:15/km |
| 35 km | 21:17 | 2:29:10 | 4:15/km |
| 40 km | 21:26 | 2:50:36 | 4:17/km |
| Finish | 9:24 | 3:00:00 | 4:17/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.