[1][2] Pinell participated in the 2022 UNCAF Women's Interclub Championship, where she debuted on 11 September 2022 against Jewel Fury in which she was lined up as a starter in a 11–0 victory, offering a goal at the 52nd minute.

[6][7] As captain of the Costa Rican U20 squad, Pinell took part in the 2022 FIFA U-20 Women's World Cup and played in all group games, at the end of which her team was eliminated without a point.

She scored the team's only goal at the tournament in her first game,[8][9] a long-distance free kick that subsequently went viral internationally.

On 3 September 2022, she made her senior debut with the Costa Rican team against Colombia, entering at the 65th minute, the match ended with a 1–0 loss.

[12][13] Alajuelense This biographical article related to women's association football in Costa Rica is a stub.