The festival where fans of football participate in elaborate parades in the USA is the Mardi Gras. This vibrant celebration, particularly prominent in New Orleans, features not only colorful floats but also various musical performances and street parties. Participants dress in festive attire, showcasing their team spirit and creativity. The parades reflect cultural diversity and artistic expression while bringing together communities in a joyous atmosphere, amplifying the excitement surrounding both the football season and the event itself.