2018

Dolci suffered a shoulder injury at the start of 2018 which made it difficult to do horizontal bar, pommel horse, and parallel bars. Because of this, he was not able to compete his best at the Élite Canada competition in February and ended up in fourth place in the all-around.^[5] Dolci recovered and in April he competed at the Pacific Rim Championships in Medellin, Colombia. He helped Canada place second as a team and individually he placed second on rings, fourth on parallel bars, and eighth on horizontal bar.^[2] He next competed at the Canadian Championships held in Waterloo, Ontario and placed first on all-around, floor, vault, and horizontal bar; second on rings; third on parallel bars; and fourth on pommel horse. Dolci's second international competition of the year came in June at the Junior Pan American Gymnastics Championships in Buenos Aires, Argentina. While there he helped Canada win bronze as a team. Individually he won gold on rings and bronze in the all-around, on floor exercise, and on horizontal bar.

In October Dolci was back in Buenos Aires for the Youth Olympic Games. He placed second on rings, sixth on floor exercise, seventh on vault, eighth on horizontal bar, and ninth in the all-around. His silver made him the first Canadian gymnast to win a medal at the Youth Olympics (alongside Emma Spence who won a bronze medal on vault).^[3] He rounded out the year with the Austrian Future Cup in Linz, Austria in November.^[6] He dominated the competition, placing first on every event (including team and all-around) minus the horizontal bar where he received the bronze medal.^[2]

Rings

Parallel bars

Floor exercise

Vault

Félix Dolci at the 2018 Youth Olympic Games

2019

Dolci started 2019 off in February with the Canada Games in Red Deer, Alberta. Competing in the junior competition, he won gold in all-around, high bar, vault, and floor; silver on rings and as part of the Québec team; and finished in 8th on pommel horse.^[3] This achievement made him the most decorated athlete in the Canada winter games history for a single year.^[7][3] Dolci then went to University of Calgary International Cup (UCIC) in Calgary, Alberta in March.^[8] He placed 1st on pommel horse, rings, and parallel bars, and got 6th on high bar.^[2] In May, he went to the Canadian Championships in Ottawa, Ontario. There he received the gold medal in all events excluding vault and pommel horse where he placed 2nd and 4th, respectively.^[3]

At the end of June Dolci went to Győr, Hungary to compete at the inaugural Junior World Championships. Along with Ioannis Chronopoulos and Evgeny Siminiuc, Dolci helped Canada place fifth as a team with a combined total of 158.563. Additionally he placed fourth in the all-around behind Shinnosuke Oka, Ryosuke Doi, and Illia Kovtun. Dolci qualified for two event finals: floor exericse (in third) and rings (in second).^[9] Dolci finished second in the floor exercise final with a 14.000, only 0.166 behind Ryu Sung-hyun of South Korea. Later that day he competed in the rings final and earned a 13.600, winning the event by 0.1 ahead of silver medalist Diogo Soares of Brazil. In both of the finals that Dolci was part of, he had the highest execution scores out of all of the 8 gymnasts part of the final.

Rings

Horizontal bar

Floor exercise

Pommel horse

Félix Dolci at the 2019 Junior World Championships

2020–2021

In 2020 Dolci was about to start his senior career. However, during the COVID-19 pandemic, all gymnastics facilities where closed in Canada. As a result he had to spend four months training at home. Due to strict travel restrictions, Dolci was not allowed to compete in any international competition until the 2021 FIG Artistic Gymnastics World Cup series. He competed at the World Cup in Koper, Slovenia, winning two bronze medals on vault and horizontal bar.^[10] Just a few days later, Dolci would win gold on floor exercise and silver on horizontal bar at the World Cup in Mersin, Turkey.^[11][12] In October he competed at the 2021 World Championships in Kitakyushu. He only competed on rings and horizontal bar; he did not qualify for any event finals.

2022

Dolci competed at the DTB Pokal Team Challenge and Mixed Cup in Stuttgart. During the team challenge he helped Canada finish fifth as a team and individually he won gold on floor exercise, silver on horizontal bar behind Carlo Hörr, and bronze on rings and vault. In July he was selected to compete at both the Pan American Championships and the Commonwealth Games.^[13] At the Pan American Championships Dolci finished third in the all-around behind Caio Souza and Yul Moldauer. Additionally he won silver on vault behind Souza and bronze on floor exercise behind Moldauer and Riley Loos. During the team final Dolci helped Canada finish third behind the USA and Brazil.

At the Commonwealth Games Dolci helped Canada place second behind England. Individually he qualified to the all-around, floor exercise, rings, vault, and parallel bars finals. He won silver on floor exercise behind Jake Jarman of England and placed fourth in the all-around, on vault, and on parallel bars and placed fifth on rings.^[14] At the 2022 World Championships Dolci placed 35th in the all-around during qualifications and helped the Canadian team finish tenth. He did not qualify for any individual finals.^[15]

2023

Dolci competed at the DTB Pokal Team Challenge where he helped Canada finish eighth. Additionally he won bronze on still rings and horizontal bar. At the Pan American Championships Dolci helped Canada finish second as a team behind the United States.

In October Dolci competed at the 2023 World Championships. During qualifications he helped Canada finish fourth, which qualified Canada a team berth to the 2024 Olympic Games, a feat last achieved by the Canadian men's gymnastics team in 2008.^[16] Additionally he qualified to the floor exercise and horizontal bar event finals. During the team final Dolci contributed scores on all apparatuses except pommel horse towards Canada's seventh place finish. During event finals he finished fifth on floor exercise and eighth on horizontal bar.

Dolci next competed at the Pan American Games. On the first day of competition he helped the Canadian team win the silver medal behind the United States.^[17] Individually he qualified to the all-around, floor exercise, rings, and vault finals. During the all-around final Dolci scored 82.531 to win the gold medal despite falling during his horizontal bar routine. This was the first Pan American Games all-around gold medal won by a male Canadian gymnast since Wilhelm Weiler won it at the 1963 Pan American Games.^[18][19] On the first day of event finals Dolci won gold on floor exercise and bronze on rings behind Donnell Whittenburg and Daniel Villafañe. On the final day of competition Dolci won bronze on vault, ending his competition with five medals and leaving as the most decorated gymnast.