The runners are male, and traditionally run completely naked in public places, with their genitals fully visible, on a designated route. The event was first organized in 1977 at the University of the Philippines Diliman to promote Hubad na Bayani (Tagalog for Naked Hero), a film.
Male runners participate in an annual event that takes place in public spaces, where they run naked and their genitals are exposed. This tradition began in 1977 at the University of the Philippines Diliman to promote a film called "Hubad na Bayani" (Tagalog for Naked Hero).