
Porto, Portugal · Sunday 13 September 2026
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.\n\nThis race is one of the
Adjusted Time
1:45:09
Time difference: +0.1 minutes compared to a flat, road, temperate course.
Porto Half Marathon is a half marathon held in Porto, Portugal, scheduled for Sunday 13 September 2026. The course is run on road surface with 58m of total elevation gain, reaching a maximum altitude of 23m above sea level. For registration and full race details, visit the official Porto Half Marathon website.
This is a very flat course with only 58m of total elevation gain across the full distance. The course ranges from 0m to 23m above sea level — a 23m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for September, the expected race day conditions are as follows. Moderate temperatures between 17°C and 24°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (13%), so dry conditions are likely.
Porto Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Porto Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
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.