
Porto Alegre, Brazil · Saturday 7 June 2025
Porto Alegre Marathon, held in Porto Alegre, Brazil, is one of the fastest marathons in southern Brazil. The event features a full marathon, half marathon, 10 km trail, and 5 km trail, attracting over 10,000 participants annually. The course is flat and fast, making it ideal for runners seeking to achieve personal bests.\n\nWith its well-organized logistics and festive atmosphere, this marathon is a must-do for those seeking a competitive and enjoyable race experience. The event is part of the A
Adjusted Time
3:57:42
Time difference: -2.3 minutes compared to a flat, road, temperate course.
Porto Alegre Marathon is a full marathon held in Porto Alegre, Brazil, scheduled for Saturday 7 June 2025. The course is run on road surface with 204m of total elevation gain, reaching a maximum altitude of 37m above sea level. For registration and full race details, visit the official Porto Alegre Marathon website.
With 204m of elevation gain, this is a moderately undulating course. The route ranges from 2m to 37m above sea level (35m 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 June, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 16°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (3%), so dry conditions are likely.
Porto Alegre 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 Alegre 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 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 Alegre Marathon against other marathons to find the right race for your goals.
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