Porto Half Marathon
Porto, Portugal · Monday 13 September 2027
The Porto Half Marathon offers a spectacular opportunity to explore the vibrant city of Porto, famous for its Port wine, historic streets, and beautiful riverfront. Runners will enjoy a flat, fast course that starts near the iconic Dom Luís I Bridge, winds through the city’s historic center, and takes participants along the scenic banks of the Douro River. The course features breathtaking views of Porto’s colorful buildings, historic landmarks, and iconic architecture.
Difficulty Calculator
h
:m
:s
Adjusted Time
1:50:21
Time difference: +5.3 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain58m
Elevation High23m
Elevation Low0m
Weather Forecast
High32°C
Low20°C
Chance of Rain0%
How hard is Porto Half Marathon?
Moderateharder than 69% of half marathons
Flattest / easiestHardest
On our difficulty model, Porto Half Marathon plays about 6 minutes slower than an average road half marathon for a 1:30 runner. It ranks #139 hardest of 450 half marathons we analyse, and #1 of 4 in Portugal. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Porto Half Marathon?
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Porto Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:33:50 | +03:50 |
| 1:45:00 | 1:50:21 | +05:21 |
| 2:00:00 | 2:06:57 | +06:57 |
| 2:15:00 | 2:23:40 | +08:40 |
| 2:30:00 | 2:40:29 | +10:29 |
| 2:45:00 | 2:57:23 | +12:23 |
| 3:00:00 | 3:14:22 | +14:22 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Porto Half Marathon 2027 Course Analysis
Porto Half Marathon is a half marathon held in Porto, Portugal. It is scheduled for Monday 13 September 2027. The course is run on road surface with 58m of total climbing, with its high point near 23m above sea level. For registration and full race details, visit the official Porto Half Marathon website.
Elevation Profile
This is a very flat course, with only 58m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 20°C and 32°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Porto Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Porto Half Marathon against other half marathons to find the right race for your goals.
Half marathons of similar difficulty
If Porto Half Marathon fits your goal, these courses play out about the same on our difficulty model.