This early 21st century definitely marked the entrance of the city of Rio de Janeiro in the global rotation of cities that receive large and important political, cultural and sport events. History shows us that the latter, the sports, has significant political, economic and social impacts for the host cities. Defended by some people and criticized by other, major sports events have proved to be powerful enablers of so called major urban projects. Due to their impacts in the city and in society, and especially in slums and favelas of Rio, social movements have been organized around these mega events, questioning their pledged legacies and mainly the amount of money intended for their realization. The history of the city of Rio de Janeiro shows us that entire neighborhoods have been fighting for better living conditions, others fight for the basics right to stay in their homes and neighborhoods, and against the removal policy, this feature so present in cities that receive major sports events. This paper looks at a community organization experience that questions the mega events, while claiming basic interventions on infrastructure in the Rocinha neighborhood. Called Rocinha Without Borders, the group have been meeting once a month for six years in a space provided by a church in Rocinha. They are a nonpartisan group that has managed to cause important discussions and reflections with the resident population of Rocinha, developing meeting of conversations with politicians and public authorities in a horizontal dialogue between residents and guests.