Rio Paraná (English: Paraná River, Spanish: Río Paraná) is a river in south Central South America, running through Brazil, Paraguay and Argentina coverng 4,880 kilometres (3,030 mi). It is second in length only to the Amazon River among South American rivers. The name Paraná is an abbreviation of the phrase "para rehe onáva", which comes from the Tupi language and means "like the sea" (that is, "as big as the sea"). It merges first with the Paraguay River and then farther downstream with the Uruguay River to form the Río de la Plata and empties into the Atlantic Ocean.
Maratón Internacional Hernandarias – Paraná
At 88 km (54.6 mi), Maratón Internacional Hernandarias – Parana is the longest open water swimming competition and longest professional marathon race in the world. It is held annually in February under extremely competitive conditions, attracting the fastest marathon swimmers in the world, down a river with varying currents and flotsam. Tens of thousands of spectators line the course in an extremely festive atmosphere. Offers US$25,000 in prize money when it is part of the global FINA Open Water Swimming Grand Prix circuit. It is one of the World's Top 100 Open Water Swims.
18º Maratón acuática Hernandarias-Paraná