espanolLa ciencia politica estudia la competencia electoral, analizando de que forma los partidos politicos, a partir de distintas fuerzas y dinamicas, se presentan dentro del espectro en el periodo electoral. El presente trabajo tiene como objetivo realizar un analisis descriptivo de las dinamicas de competencia electoral en el sistema de partidos politicos colombiano para entender de que forma se desarrolla dicha electoral. De esta forma, es importante tener en cuenta que en el presente estudio se hacen observaciones desde la mecanica de las campanas centradas en las candidaturas individuales. Especificamente, las dinamicas de competencia entre los candidatos a la Presidencia de Colombia 2018 en la red social Twitter, considerando al candidato el actor fundamental del partido en dicha dinamica electoral. Se concluye explicando las dinamicas de competencia en la contienda electoral definidas a partir de la visibilidad de los candidatos en la red social Twitter, la agresividad competitiva y el establecimiento de agenda. Se pretende entender y explicar las nuevas formas de hacer politica en redes sociales y abrir debate en torno a este tema. EnglishPolitical science studies electoral competition, analyzing how political parties, based on different forces and dynamics, are presented within the spectrum in the electoral period. The objective of this paper is to carry out a descriptive analysis of the dynamics of electoral competition in the Colombian political party system to understand how this electoral contest develops. In this way, it is important to keep in mind that in the present study observations are made from the mechanics of campaigns focusing on individual candidates. Specifically, the dynamics of competition among the candidates for the Presidency of Colombia 2018 in the Twitter social network, considering the candidate the fundamental actor of the party in the said electoral dynamic. It concludes by explaining the dynamics of competition in the electoral contest defined from the visibility of the candidates on the Twitter social network, competitive aggressiveness and agenda setting. It is intended to understand and explain the new ways of doing politics in social networks and open debate about this issue.