He had come to Haiti the year before as part of a contingent from the Chilean Air Force to help with establishing peace on the island.

[2] Castillo tried a number of sports including artistic gymnastics and swimming before she chose running as her choice.

[citation needed] In 2023 she was in San Paulo in Brazil at the 2023 South American Championships in Athletics.

[4] She won Chile's fourth Gold medal in the 800 metres beating nine others including Cristina de Almeida and Anita Poma.

She believed the decision was based on racism and pressure brought by the retired sprinter Ximena Restrepo.