South America is a continent located in the western hemisphere, mostly in the southern hemisphere, with a relatively small portion in the northern hemisphere. It may also be considered a subcontinent of the Americas, which is how it is viewed in the Spanish-speaking regions of the Americas. The reference to South America instead of other regions (like Latin America or the Southern Cone) has increased in the last decades due to changing geopolitical dynamics (in particular, the rise of Brazil).
South America is part of Continents Seven, a series of 7 different solo open water swims that is completed in all of the seven continents of Planet Earth either (1) within one year, or (2) over the course of one's career. The 7 different open water swims must be performed on all the world's main continuous expanses of land: Africa, Antarctica, Asia, Australia (or Oceania), Europe, North America, and South America.