She was formerly a Federal Representative for Baja California's 2nd electoral district in the LXIV Legislature in the Chamber of Deputies of the General Congress of the United Mexican States, which she fulfilled from 2018 to 2019, also the first woman as Mayor of Mexicali, from 2019 to 2021.

[4] Avila announced she would not apply for maternity leave and proceeded to make history by becoming Mexico's first pregnant head of state government;[5] on 12 January 2022, she gave birth to her second child, Diego José[6] and continued working remotely from home for a couple of days following the delivery, under her doctor's recommendations.

"; the second degree was acquired in 2016 for Public Administration by the Social and Political Sciences Faculty of the Autonomous University of Baja California; where after a selection phase, she obtained a CONACYT Scholarship.

[10] Marina del Pilar kept evolving in her academic career as a scholar in the Social and Political Sciences Faculty of the Autonomous University of Baja California.

She already had a trajectory as a lawyer and scholar;[11] nevertheless, she ran as a candidate for Local Representative of the 3rd District in State Congress; even though she did not win, Avila assures to have "succeeded in the streets" because of the connection she had made with the electorates.

[16] That is how on 1 July 2018, Marina del Pilar Avila Olmeda became a federal representative to Baja California's 2nd congressional district at the LXIV Legislature in the Chamber of Deputies of the General Congress of the United Mexican States.

During the electoral process, Marina del Pilar was once again a target of political violence regarding her gender and also suffered a series of attacks on her personal life, which she has stated before in interviews:"(…) I was pointed out for my physical appearance, even my smile was a topic up for debate, issues that aren't important for candidacy, nor for the wielding of public service.".

In front of thousands of citizens, Avila closed with these priority issues: security, excellence in public services, improved roadways, the decline in air contamination and better infrastructure for the city.

At the end of July 2021, Mayor-Elect Avila started her transitional activities and began to introduce her work team, who took the oath of office alongside her on 30 September 2019, right on the Mexicali's Historical Centre,[25] becoming so the first elected women to serve as Mayor in this city.

[28] She revised preexistent anomalies in the infrastructure sector that led to the cancellation of 27 projects from the past administration, which was bided again and ended up as an investment towards the city for 32'195,492 Mexican pesos.

[31] After reparations ended, social and touristic activities reactivated in the famous "Chinesca," and the "Wok Museum" of Chinese food inaugurated as a symbol of fellowship between both cultures.

[37] Her central positions focused on promoting public welfare programs, boosting creative and touristic industries, reactivating economic investments for the region, increasing sports culture, and most notably reinforcing security for all citizens.

Avila got recognition for running her campaign alongside a program titled "Wellness for Baja California's Youth Agenda," created by young people.

[38] Marina del Pilar was a victim of verbal attacks qualified as political and gender violence by the Tribunal of Electoral Justice of Baja California.

[49] On 24 November 2021, she presented the first edition of "Miércoles de Mañanera", where every Wednesday, she leads a press conference and discloses vital projects for the state and relevant topics of the week; which algo has a Q&A section for media reporters.