She competed at the 2015 HOPES Championships where she placed second on balance beam, behind Ciena Alipio, fourth in the all-around, fifth on vault, and seventh on floor exercise.

In 2016 she competed the 2016 Hopes Championships where she placed first in the all-around, on vault, balance beam, and uneven bars, and second on floor exercise.

[6] In early 2018 McClain competed at the Buckeye National Qualifier and International Gymnix, where she won silver on floor exercise behind Irina Alexeeva.

[9] In February, McClain was named to the team to compete at the 2019 City of Jesolo Trophy in Italy, alongside Kayla DiCello, Ciena Alipio, and Sophia Butler.

[15] In March McClain was selected to compete at International Gymnix, taking place in Montreal alongside Skye Blakely, Kaliya Lincoln, and Katelyn Jong.

[19] After a subpar performance at the U.S. Classic McClain abruptly left her gym in West Virginia and moved to Texas to train at WOGA under Valeri Liukin.

[22] In October McClain was selected to compete at the 2021 World Championships alongside Leanne Wong, Kayla DiCello, and eMjae Frazier.

[23] At the World Championships McClain finished eighth on balance beam during qualifications; however she did not advance to the event final due to teammates Wong and DiCello scoring higher.

McClain competed at the 2022 Winter Cup and won the all-around competition ahead of Skye Blakely and eMjae Frazier.

As a result she was selected to compete at the upcoming DTB Pokal Team Challenge in Stuttgart alongside Blakely, Frazier, Nola Matthews, and Ashlee Sullivan.

In April McClain competed at the 2022 City of Jesolo Trophy alongside Frazier, Shilese Jones, Zoe Miller, and Elle Mueller.

Individually McClain won all-around title with a score of 54.999 and also took the gold medal on balance beam (13.850) and floor exercise (13.900).