Gustavo Petro
Petro won the most votes in the first round held on 29 May but did not win more than 50% of the vote to avoid a second round. He faced the former mayor of Bucaramanga and businessman, Rodolfo Hernández Suárez in the run-off on 19 June. In the second round, Petro and Márquez won the election by winning 50.44% of the popular vote against Hernández.