6:32 PM ET

The largest boxing class in Mexico City's history was taught by fifteen current and former Mexican fighters at the Zocalo.

14,299 participated in Saturday's mass boxing class in the Plaza de la Constitucion, setting the Guinness World Record. EPA/Jose Mendez

14,299 people attended the largest boxing class in the world. Moscow, Russia, held a mega boxing class with over 3000 people in Red Square.

The Mexican flag colors of green, white and red were covered by the participants.

The director of Indeporte presented the shirts recently.

The Mexican flag will be formed with these beautiful shirts that each and every one of the participants in the Massive Boxing Class will have.

There were just two hydration breaks in the class.