2017

Moors became age-eligible for senior competition in 2017, and she made her senior debut at Elite Canada where she won the bronze medal in the all-around. She then finished fifth in the vault and floor final and sixth in the balance beam final.^[13] Then at the International Gymnix, she won the bronze medal in the all-around behind Hitomi Hatakeda and Shallon Olsen and won the gold medal with the Canadian team. In the event finals, she placed fourth on vault and balance beam, and fifth on the floor exercise.^[14] At the City of Jesolo Trophy, Moors helped the Canadian team finish sixth, and she finished fifth in the vault final.^[15] She then finished seventh in the all-around at the Canadian Championships, and she won the bronze medal on vault.^[16]

Moors was then selected to compete at the Pan American Championships in Lima. She won the silver medal on vault behind Mexican gymnast Ahtziri Sandoval, won the bronze medal on the uneven bars behind Jade Chrobok and Sandoval, placed seventh on the balance beam, and won the gold medal on the floor exercise.^[17] She then competed at the Szombathely Challenge Cup and won the bronze medal on vault behind Marina Nekrasova and Boglárka Dévai, and she won the gold medal on floor exercise.^[18] She was then selected to compete at the World Championships in Montreal where she finished 15th in the all-around and fifth on the floor exercise.^[19][20] After the competition, she was awarded the Longines Prize for Elegance and became the first Canadian to receive this award.^[21][2]

2018

In February, Moors competed at Elite Canada where she placed first in the all-around and on floor exercise and placed second on balance beam behind Rose-Kaying Woo.^[22] Then in March she competed at the American Cup where she placed seventh in the all-around.^[23] Then at the Canadian National Championships, she placed fourth in the all-around behind Ellie Black, Isabela Onyshko, and Jade Chrobok.^[24]

In early October, Moors was selected to represent Canada at the World Championships in Doha alongside Black, Ana Padurariu, Shallon Olsen, and Laurie Dénommée (later replaced by Sophie Marois).^[25] During the qualification round Moors helped Canada qualify to the team final in fourth place, and individually, she qualified to the all-around and floor exercise finals.^[26] During the team final, Moors contributed scores of 13.233 on the floor exercise and 13.066 on the uneven bars to help Canada finish fourth behind the United States, Russia, and China—^[27]Team Canada's best finish ever at the World Championships.^[28] Moors then finished 24th in the all-around final with a total score of 50.332.^[29] She then finished eighth in the floor exercise final with a score of 13.066.^[30]

2019

At the Canadian Championships, Moors won the bronze medal in the all-around behind Ellie Black and Ana Padurariu, and she won the gold medal on the balance beam and the silver medal on the floor exercise behind Black.^[31] In June, she was selected to compete at the Pan American Games alongside Black, Isabela Onyshko, Shallon Olsen, and Victoria-Kayen Woo.^[32] They won the silver medal in the team competition behind the United States. During the first day of event finals, Moors placed sixth on uneven bars with a score of 13.000.^[33] The following day she scored a 13.900 to win the gold medal on floor exercise ahead of Kara Eaker of the United States and Flávia Saraiva of Brazil.^[34]

On September 4, Moors was named to compete at the World Championships in Stuttgart, Germany alongside Ana Padurariu, Shallon Olsen, Ellie Black, and Victoria-Kayen Woo.^[35] Canada finished seventh in the team final and qualified as a team for the 2020 Olympic Games in Tokyo.^[36] During the individual finals, Moors finished 14th in the all-around with a total score of 54.498.^[37] She then finished seventh on floor exercise with a score of 13.600.^[38]

2020

In January, it was announced that Moors would represent Canada at the American Cup, but she was later replaced by Ellie Black.^[39] Her first competition of the season was Elite Canada, where she placed second in the all-around behind Ana Padurariu.^[40] She also won the silver medals on the uneven bars and the balance beam, and she won the gold medal on the floor exercise.^[41] In February, she signed her national letter of intent with UCLA, intending to start competing during the 2020–21 school year.^[42] However, due to the COVID-19 pandemic she took classes remotely and redshirted the 2021 season in order to train for the postponed 2020 Olympic Games.^[1][43] She also took eight months off of training due to a back injury.^[5][44]

2021

At the Second Canadian Technical Trial, Moors only competed on vault, balance beam, and floor exercise due to recovering from her back injury.^[5][44] She won the silver medal on the floor exercise behind Rose-Kaying Woo.^[45] At the Canadian National Championships, she placed eighth in the all-around after struggling on the uneven bars. However, she won gold on floor exercise and placed sixth on balance beam.^[46] On June 17, Moors was officially named to Canada's 2020 Olympic team alongside Ellie Black, Shallon Olsen, and Ava Stewart.^[47] The team finished tenth in the qualification round and did not qualify for the team final, but Moors qualified for the all-around final in 22nd place.^[48] She finished 16th in the all-around final with a total score of 53.299.^[49]