The first woman to launch the festival in seven years
Each year, Madrid pauses to honor San Isidro—its patron saint and oldest civic memory—and in doing so reveals something about who the city believes itself to be. This year, that revelation arrived early, when Sonsoles Ónega became the first woman in seven years to deliver the festival's ceremonial opening speech, her words landing against a backdrop of free concerts spanning flamenco, rock, and electronic music across the city's most storied public spaces. Through May 17, Madrid is doing what great cities do at their best: holding tradition and transformation in the same open hand.
- A symbolic crack in a seven-year pattern opened the festival: Sonsoles Ónega became the first woman to deliver the pregón under Mayor Almeida's tenure, lending the celebration an unexpected cultural charge.
- The city's plazas and meadows are filling fast—David Otero already drew thousands, and the final days promise Fangoria, Celtas Cortos, and Las Ketchup to crowds that will test Madrid's capacity for organized joy.
- Traffic across central Madrid is expected to seize up on weekend days, turning the question of how to get there into a civic puzzle with one clear answer: abandon the car and descend into the metro.
- Line 5 is quietly doing the heavy lifting—Marqués de Vadillo and Urgel for the Pradera, La Latina for Las Vistillas, Sol or Ópera for the Plaza Mayor, Legazpi for Matadero—the underground threading the festival together.
- The programming itself is the argument: a lineup that moves from castizo roots to contemporary urban sounds is not nostalgia dressed up, but a city actively negotiating its own identity in public, for free.
Madrid's San Isidro festival opened this year with a moment that quietly rewrote a small piece of the city's recent history. Sonsoles Ónega stepped onto the balcony of the Casa de la Villa and delivered the pregón—the ceremonial speech that signals the start of the celebration—becoming the first woman to do so in the seven years of Mayor Almeida's tenure. Those who came before her were all men: actors, musicians, a footballer. Her presence, and the deliberate weight of her words, set a different tone for what followed.
What followed was San Isidro in its fullest form: the pilgrimage to the Pradera, the lemonade, the rosquillas in their two varieties. But the festival's musical program refuses to be merely decorative. Organizers have assembled a lineup that moves between the city's traditional castizo character and its contemporary energy—rock, pop, flamenco, electronic, indie, and urban sounds, all free, all scattered across the city's great public spaces: Plaza Mayor, Las Vistillas, Matadero Madrid, and the Pradera itself. David Otero drew large crowds early in the week; Fangoria, Celtas Cortos, La Bien Querida, and Las Ketchup are among those still to come before the festival closes on May 17.
Moving that many people through Madrid is its own logistical story. Traffic disruptions are expected, and the city's recommendation is simple: take the metro. Line 5 connects most of the major venues—the Pradera via Marqués de Vadillo or Urgel, Las Vistillas via La Latina, the Plaza Mayor a short walk from Sol or Ópera. Matadero Madrid sits near Legazpi on Lines 3 and 6. The underground, in other words, is the festival's quiet infrastructure.
What the 2026 edition ultimately reflects is a city that has learned to carry its history without being weighed down by it. San Isidro is centuries old, but the festival as it lives today is not a relic—it is a living negotiation between where Madrid came from and what it is still becoming.
Madrid's San Isidro festival opened this week with a moment of historical weight: Sonsoles Ónega stood on the balcony of the Casa de la Villa, the city's former municipal seat, and delivered the pregón—the ceremonial speech that traditionally launches the celebration. She was the first woman to hold this role in the seven years that José Luis Martínez-Almeida has served as mayor. Before her, the honor had gone to Santiago Segura, Antonio Resines, Ramoncín, David Summers, and Dani Carvajal. Her words carried a deliberate edge, a call to something larger than spectacle.
What followed was the familiar texture of San Isidro—the pilgrimage to the Pradera, the lemonade stands, the rosquillas (those small, crispy pastries that come in two varieties, listas and tontas). But woven through the traditional rituals was a musical program that refuses to be trapped in nostalgia. The festival's organizers have built a lineup that moves fluidly between past and present, between the city's castizo identity and its contemporary pulse.
The artists performing across the festival's run through May 17 reflect this balance. David Otero already drew thousands earlier in the week. Coming in the final days are names like Fangoria, Las Ketchup, La Bien Querida, Triángulo de Amor Bizarro, and Celtas Cortos—a mix that spans rock, pop, electronic music, indie, flamenco, and urban sounds. The concerts are free, scattered across the city at the Plaza Mayor, Las Vistillas, Matadero Madrid, and the Pradera itself.
The logistics of moving that many people through Madrid's streets during a festival is no small matter. Traffic disruptions are expected, particularly on weekends, and the city's central plazas will be crowded. The recommendation from organizers is straightforward: leave your car at home. The metro is the practical choice. The Pradera de San Isidro, the festival's spiritual center, is reachable via the Marqués de Vadillo or Urgel stations on Line 5; from there, you simply follow the flow of people climbing toward the meadow. The Plaza Mayor, Madrid's historic heart, sits a short walk from Sol or Ópera stations. Las Vistillas, with its open views across Madrid's skyline, is minutes from La Latina on Line 5. Matadero Madrid, the contemporary art space hosting part of the programming, is easily reached from Legazpi on Lines 3 and 6.
What makes this year's festival notable is not just the programming or the symbolic weight of Ónega's opening speech, but the way the city has chosen to mark its patron saint's day. San Isidro is old—the saint himself is Madrid's protector, and the festival dates back centuries. Yet the festival as it exists now is not a museum piece. It's a living thing, one that acknowledges where the city came from while making space for what it has become. The concerts run through Sunday, May 17. If you're in Madrid, the metro will take you there.
Citas Notables
First woman to deliver the pregón in seven years of José Luis Martínez-Almeida's tenure as mayor— Festival organizers
La Conversación del Hearth Otra perspectiva de la historia
Why does it matter that a woman gave the opening speech for the first time in seven years?
Because tradition in a city like Madrid carries weight. The pregón isn't just words—it's a public statement about who gets to speak for the festival, who gets to set its tone. Having a woman do it for the first time in seven years signals something shifting in how the city sees itself.
But isn't San Isidro supposed to be about continuity, about keeping old things alive?
It is, but continuity doesn't mean stasis. The festival still has the romería, the lemonade, the pastries. What's changed is that the city is willing to let different voices shape how those traditions are presented and understood.
The lineup seems deliberately mixed—rock alongside flamenco, electronic next to indie. Is that intentional?
Absolutely. Madrid itself is mixed. You have neighborhoods with centuries of history sitting next to contemporary art spaces. The festival's programming reflects that reality. It's not trying to be everything to everyone, but it's acknowledging that "San Isidro" doesn't mean one thing anymore.
Why emphasize the metro so heavily in the coverage?
Because the festival only works if people can actually get there. Traffic will be a nightmare. The city is being honest about that and giving people a practical alternative. It's also a way of saying: this is for everyone, not just people with cars.
What happens after May 17?
The festival ends, but the conversations it starts—about tradition, about who gets to speak, about what a city celebrates—those continue. That's the real work.