Amazon river dolphin widespread river dolphins. They are present in six countries in South America: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela, in an area covering about . The boundaries are set by waterfalls, such as the Xingu and Tapajós rivers in Brazil, as well as very shallow water. A series of rapids and waterfalls in the Madeira River have isolated one population, recognized as the subspecies "I. g. boliviensis", in the southern part of the Amazon basin in Bolivia. They are also distributed in the basin of the Orinoco River, except the Caroni River and the upper Caura River in Venezuela. The
2000 South American Cross Country Championships 9 countries were competing for the Central American and Caribbean Cross Country Championships. 13 athletes from Colombia and 5 athletes from Panamá competed for both championships. In addition, one African guest athlete, and 45 local Colombian athletes participated. 2000 South American Cross Country Championships The 2000 South American Cross Country Championships took place on February 5–6, 2000. The races were held in Cartagena de Indias, Colombia, jointly with the Central American and Caribbean Cross Country Championships. Complete results, results for junior and youth competitions, and medal winners were published. This is an unofficial extraction from the results. According to an