The 2026 FIFA World Cup opens Thursday at Estadio Azteca in Mexico City, where Mexico face South Africa following the opening ceremony — the start of a 39-day, 104-match tournament spread across the United States, Canada and Mexico, the largest in the competition's history.
The Azteca becomes the first stadium to host World Cup matches at three separate tournaments, having staged the finals of 1970 and 1986. The 83,000-seat arena reopened in March after nearly two years of renovations that delivered new seating, upgraded locker rooms, improved lighting and a rebuilt pedestrian bridge, with a Mexico–Portugal friendly marking its return.
Few grounds carry comparable history. The Azteca staged Pelé's third World Cup triumph with Brazil in 1970 and Diego Maradona's 'Hand of God' quarterfinal against England in 1986. 'There's just something very special about the Azteca,' Pelé once said. 'You need to be inside it, to feel it to understand. It's unique.'
The stadium's altitude remains a competitive factor in its own right. At 2,200 meters above sea level, Mexico City forces visiting players to cope with faster fatigue and elevated heart rates — a challenge South Africa confront immediately in a rematch of sorts: in 2010 it was South Africa that hosted the opener against Mexico in Johannesburg, a 1-1 draw.
This edition expands the tournament from 32 to 48 teams playing in 16 stadiums across the three host countries, with the final set for July 19. The United States stages the bulk of the matches, while Canada makes its debut as a host: the Canadian team opens against Bosnia and Herzegovina in Toronto on Friday, a day after a countdown concert in the city featuring Bryan Adams and Wyclef Jean.
For Mexico, the opener carries the weight of home expectation — the third time the country has launched a World Cup, after 1970 and 1986, and the first match of a campaign aiming to surpass the round-of-16 exits that have defined recent tournaments. Pre-match analytics gave Mexico a clear edge over a South Africa side that returns to the finals as one of Africa's qualifiers.
The opening day arrives against a complicated global backdrop, with the US-Iran conflict dominating headlines and security operations in host cities at their highest level since planning began. But in Mexico City, the day belongs to football: a packed Azteca, a renovated icon, and the start of the biggest World Cup ever played.