 In 2011, Peñalosa decided to run his candidacy again for the Bogotá city hall, but this time, as the official candidate for the Colombian Green Party.He lost the election to Gustavo Petro who won the mayoral race with 32% of the vote against 25% for Peñalosa.In 2015 he won the mayoral elections with 33 percent of the vote, defeating former labour minister Rafael Pardo Rueda.