Misiones Aguas Abiertas

About the race

The Misiones Aguas Abiertas is more than just a swimming competition; it is a celebration of the profound connection between the city of Posadas and the mighty Paraná River. Set against the vibrant backdrop of Misiones, this event has become a cornerstone of the regional sporting calendar, organized by the dedicated Club Náutico León Seró. The race embodies the spirit of local camaraderie, inviting swimmers from across Argentina and beyond to test their endurance in one of the most iconic waterways in South America.

What makes this 10km challenge truly special is the environment. Swimmers navigate the majestic Paraná, experiencing the river’s unique energy as they traverse from the popular Balneario Costa Sur to the bustling shores of Balneario El Brete. The event is designed with a high standard of professional support, ensuring that every participant—from seasoned long-distance athletes to those tackling their first major river swim—feels secure, monitored by a fleet of safety kayaks and motorized vessels throughout the entire journey.

Beyond the competitive aspect, the event is deeply rooted in the local community. The organizers provide a welcoming atmosphere that extends to the family and friends of the participants, making it an ideal destination for a sporting getaway. With a focus on safety and athlete well-being, the race offers a comprehensive participant kit and a finisher’s medal that serves as a badge of honor for conquering the river’s currents. After the race, the atmosphere at the finish line is electric, with local supporters cheering on the finishers. If you are looking to extend your stay, it is well worth taking the time to {{link:experiences|explore the natural wonders and vibrant culture of Misiones}}, a province famous for its lush landscapes and rich history. Before you head out, make sure to {{link:accommodations|find the perfect place to stay}} near the race venue to ensure you are fully rested for the big day.

Course

10 km open water course in the Río Paraná, starting at Balneario Costa Sur and finishing at Balneario El Brete, Posadas. The route runs parallel to the coast. Safety is guaranteed by kayaks and motorized vessels throughout the entire course. The event takes place in a cardioprotected area.

How to get there

Libertador Gral. José de San Martín International Airport (PSS) is 10km away. There are no passenger trains. From the airport, taxis or ride-sharing apps (Uber/Cabify) reach the race site in 15-20 minutes. By car, follow the Posadas Costanera; public parking is available along the riverfront, though it gets very crowded during sporting events.