
Seixal, Portugal · Sunday 30 March 2025
Discover the hidden gem of Portugal at the Meia Maratona Baía do Seixal, a captivating road race that showcases the stunning natural beauty and rich cultural heritage of this coastal paradise. Nestled on the shores of the Seixal Bay, just a short distance from Lisbon, this event offers runners a unique opportunity to experience the charm and tranquility of Portugal's less-traveled paths. The course takes you on a scenic journey along the waterfront, past historic landmarks, and through the heart
Adjusted Time
4:00:06
Time difference: +0.1 minutes compared to a flat, road, temperate course.
Meia Maratona Baía do Seixal is a full marathon held in Seixal, Portugal, scheduled for Sunday 30 March 2025. The course is run on road surface with 107m of total elevation gain, reaching a maximum altitude of 22m above sea level. For registration and full race details, visit the official Meia Maratona Baía do Seixal website.
With 107m of elevation gain, this is a moderately undulating course. The route ranges from -1m to 22m above sea level (23m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for March, the expected race day conditions are as follows. Moderate temperatures between 13°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 (0%), so dry conditions are likely.
Meia Maratona Baía do Seixal 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 Meia Maratona Baía do Seixal 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 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 Meia Maratona Baía do Seixal against other marathons to find the right race for your goals.
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