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The Maratón Internacional de Asunción (MIA) is the main road marathon in Paraguay, run on a Sunday in late August in the capital and organised by the Paraguay Marathon Club with the Paraguayan Athletics Federation. It has been held since 2010, and the 2026 race was the 17th edition. The start and finish are at the Muelle Deportivo on the Costanera de Asunción, on the Paraguay River. The marathon and the half marathon both start at 5:30 a.m., and a 10 km follows at 6:15 a.m. The circuits are certified by World Athletics and AIMS, and the 2026 marathon was also the Paraguayan national road championship. The event belongs to the Mega Finisher international circuit. A race expo with kit collection runs in the days before the race. A record 5,000 runners took part across the three distances in 2026, and the race was dedicated to Paulo Reichardt, who as Minister of Sport was one of its main promoters.
Typical climate for the race month — an estimate, not a forecast or a race-day record
August is winter in Asunción but the mornings are mild: average highs are around 26 °C and lows around 15 °C, with rain on about five days of the month. The marathon starts at 5:30 a.m.
The Race
Asunción
The first Maratón Internacional de Asunción was held in 2010. Since then the event has grown into a traditional fixture of Paraguay's sporting calendar, organised by the Paraguay Marathon Club. The 17th edition in 2026 drew a record 5,000 runners to the Costanera.
At the 17th edition Alberto Pizarro won the 42.195 km in 2:23:50, ahead of Derlys Ayala in 2:28:50 and Valdeci Arce in 2:30:12; the first two places went to Paraguayans, as did the women's title, won by Fátima Romero. Ayala, who won the race in 2024 and 2025, holds the Paraguayan marathon record.
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