Thousands of people lined Mexico City's iconic Paseo de la Reforma on Saturday in an attempt to set a Guinness World Record for the world's largest human wave. Aerial footage showed participants raising their arms in unison as the ripple stretched for nearly a kilometre along the emblematic boulevard — an arterial road inspired by European boulevards that runs through the heart of the Mexican capital. Many wore the bright green jersey of the Mexican national football team and waved national flags, with traditional dancers and performers in World Cup-themed Day of the Dead costumes adding a distinctly Mexican cultural dimension to the event. Guinness World Records officials were present and are now analysing the data to determine whether a new record has been set.

The current record belongs to a Nascar racing event held in Tennessee in 2008, when 157,574 people joined a wave that swept around the stadium. The Mexico City attempt, timed as part of the countdown to the 2026 FIFA World Cup — which kicks off in just a few days — chose an urban rather than a stadium setting, allowing the wave to travel in a visible, continuous line along the avenue. After several practice runs, the crowd made its official attempt to cheers of