The 2026 event has concluded.

Maratona Internacional de Porto Alegre Olympikus

Rio Grande do Sul, Brazil · May 31, 2026
cloudy58°·65° high·Breezy·Dry
9

Race Day Weather

cloudy
58°at start
67° high
Breezy
Dry

Mild temps, plan for wind shifts

Runners will face temperatures starting at 59°F and peaking at 65°F, with average humidity at a high 95%, suggesting a need for hydration. Winds will vary, providing tailwind during sections like Miles 2-4 and 6, but also presenting headwinds from Miles 8-11 and 13-15. Adjust pacing accordingly during the exposed stretches to mitigate wind effects, especially in the later miles.

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Pace Calculator

Distance: 26.2mi
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Race Info

The Maratona Internacional de Porto Alegre is a historic marathon established in 1984, known for its fast and flat course that makes it one of the quickest in Brazil. Runners take on a 42.195-kilometer route that features urban streets, park paths, and stunning views of the Guaíba River, all while navigating through the city’s historic center, including landmarks like the Mercado Público.

FAQ

When is the 2026 Maratona Internacional de Porto Alegre Olympikus?

The 2026 Maratona Internacional de Porto Alegre Olympikus will be held on Sunday May 31, 2026.

Is the Maratona Internacional de Porto Alegre Olympikus a Boston Marathon Qualifier?

Yes, the Maratona Internacional de Porto Alegre Olympikus is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Maratona Internacional de Porto Alegre Olympikus?

The forecast calls for a high of 70°F and a low of 58°F with a 0% chance of rain.

Historical Weather

Based on 12 years of data
Avg Temp
66°F
L:52° H:66°
RunScore
8
Conditions
Rain Freq
17%
2 of 12 yrs
Wind9mph
Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
cloudy
52°/61°-
8
2024
clear-night
55°/82°-
8
2023
clear-night
49°/77°-
8
2022
clear-night
42°/57°-
7
2019
partly-cloudy-night
60°/67°-
9
2018
partly-cloudy-night
57°/66°Light
8
2016
clear-night
37°/55°-
7
2015
clear-night
48°/59°-
8
2014
fog
58°/63°-
9
2013
clear-night
50°/68°-
9
2012
clear-night
59°/64°Light
7
2011
clear-night
53°/79°-
8