On January 27, 2018, Maceta competed in the Miss Tourism World 2017/2018 pageant, held at the Swiss Garden Hotel in Malacca City, Malaysia, where she placed 1st Runner-Up, in spite of a near fall during the bikini round.[9][10]

On November 29, 2020, Maceta was crowned Miss Peru 2020. This made her the official candidate of Peru for Miss Universe 2020 which took place mid 2021 after being postponed from late 2020 due to the COVID-19 pandemic in Peru.[11]

Maceta placed 2nd Runner-Up in Miss Universe 2020. This is second time Peru placed in the Top 5 of Miss Universe and the second highest placement Peru has ever achieved since Gladys Zender won the title in 1957.