It's been nearly one year after Biles spoke out about Nassar and the gymnast said it is still \"not easy.\"

\"I mean, I have my ups and downs,\" she said.

Biles spoke out on \"GMA\" after it was announced that she would grace the cover of ESPN The Magazine's blockbuster year-end issue.

\"PHOTO:
ABC
PHOTO: ABC's Robin Roberts talks with gymnast Simone Biles about her appearance on the cover of ESPN Magazine on "Good Morning America," Dec. 11, 2018.
>

\"I didn’t think it was real,\" Biles said of the honor. \"I was like, ‘You’re joking.’\"

The four-time Olympic gold medalist recently became the first female gymnast to win four World Championships.

\"PHOTO:
Karim Jaafar/AFP/Getty Images
PHOTO: Simone Biles competes in the women's all-around final of the 2018 FIG Artistic Gymnastics Championships at the Aspire Dome, Nov. 1, 2018 in Doha, Qatar.
>

(MORE: More than 140 survivors of sexual abuse honored with Arthur Ashe Courage Award at ESPYs)

Biles said she is looking back at 2018 as the year in which she found her voice.

\"There were a lot of points in this year that made me who I am today and I feel stronger,\" she said. \"I feel like this year gave me a voice and I tried to find my voice this year and use that to the better potential and positive manner.\"

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