2021–2022

Marano finished sixth in the all-around at the 2021 Italian Gold Championships.^[3]

Marano made her international debut at the 2022 DTB Team Challenge in Stuttgart. While there she helped Italy finish third as a team and individually she placed fifth on vault.^[4] She next competed at the City of Jesolo Trophy where she helped Italy finish second.^[5]

In July Marano competed at the European Youth Olympic Festival alongside Arianna Grillo and Martina Pieratti; they finished third as a team. Individually Marano won silver on floor exercise behind Amalia Puflea and tied with Helen Kevric. The following month Marano competed at the European Championships. She helped Italy win gold as team.^[6] Individually she won bronze on vault behind Sabrina Voinea and Ming van Eijken.^[7]

2023

Marano began the 2023 season competing at the Luxembourg Open. She won gold on vault, silver on floor exercise, and helped Italy place first as a team.^[8][9] Marano was then selected to compete at the 2023 Junior World Championships alongside Caterina Gaddi and Giulia Perotti. The team won the bronze medal and finished only two-tenths of a point behind the silver medalists from the United States.^[10] During event finals Marano won silver on vault behind Mia Mainardi.^[11]

2024

Marano became age-eligible for senior competition in 2024. She made her senior debut at the Cairo World Cup where she finished fifth on uneven bars and seventh on floor exercise.^[12]