At an event held at the AVAN venue, a year ahead of the municipal elections, Ona Martínez was presented as the Republican Left candidate for mayor of Terrassa. The presentation, hosted by journalist Mariola Dinarès, featured the support of the party's general secretary and Barcelona mayoral candidate, Elisenda Alamany. Alamany emphasized that "Terrassa already tried a change in 2019 that hasn't worked and is causing it to lose opportunities. The change it deserves is that of a new generation led by a woman like Ona."

Martínez criticized what she described as the "conformism" of the current government, led by Ballart, arguing that it is causing the city to "lose momentum." The candidate called for setting aside "the historical war of whether we are the third or fourth city" to "aspire to be the third capital of the country." To achieve this, she proposes measures such as retaining university talent and ceding municipal buildings in poor condition to technology companies.

In the audiovisual sector, Ona Martínez called for a strategy to permanently attract platforms like Netflix or HBO, going beyond major headlines. "We need technicians to be hired and jobs to be generated; not just for them to come, film, and leave, we need them to stay," she stressed.

Mobility was one of the most critical points of her speech. Martínez deemed it incomprehensible to "bury 13 million in a useless parking lot" at Portal de Sant Roc, especially within a Low Emission Zone (ZBE). Instead, she advocates for allocating these funds to housing, parks, or a parking facility in the sports area, which suffers daily "collapse."

On a more personal note, Mariola Dinarès explored Martínez's biography, who confessed that her political motivation stems "from my children and, above all, my grandparents," who were marked by war and exile. She recalled the story of a great-uncle who died from an unexploded bomb, a narrative that taught her the importance of politics and the capacity to decide the future.