Early years

An began figure skating in 2009 at the age of three and is coached by her father, An Longhe, a former competitive figure skater.^[5][2]

An was the 2019 Asian Open advanced novice champion.^[6] Due to the COVID-19 pandemic, all Chinese national competitions were canceled during the 2020–21 season, thus An could not partake in major competitions.^[7] During the 2021–22 season, several coronavirus outbreaks and COVID-19 protocols in China caused the 2021 National Figure Skating Grand Prix and China Figure Skating Club League Finals (全国花样滑冰具乐部联赛总决赛) to be held virtually.^{[citation needed]} In the Club League Finals, An scored 174.08 total points (63.00 in the short program and 111.08 in the free skating) to win the title.^[8]

2022–2023 season: Junior international debut

An made her Junior Grand Prix debut at the 2022 Solidarity Cup, after scoring first in national qualification events.^[9][10] She finished fifth at the event.^[5]

After contracting COVID-19 and having had a recurrence of injuries, An withdrew from the 2022 Chinese Figure Skating Junior Championships and the 2022 Chinese Figure Skating Club League Finals.^{[citation needed]} However, she later competed in the 2022 Chinese Figure Skating Championships, ranking first in the short program by a small 1.73 mark lead after falling on her triple toe-triple toe combination, and winning the free skate by 15.83 marks, ahead of Li Ruotang.^[5]

In March, An was assigned to the 2023 World Junior Figure Championships in Calgary, where she ranked fifth in the short program.^[11] In the free skate, she stepped out of one jump and had quarter underrotation calls on three others, ranking eighth in that segment but finishing sixth overall. She became the first Chinese woman to place in the top ten since Li Zijun in 2012.^[12]

2023–24 season: Senior international debut

An began the season by competing Chinese National Grand Prix events in the summer, finishing first and third, respectively. She then went on to win gold at the 2023 Asian Open Trophy and finished fifth at the 2023 Shanghai Trophy at the beginning of fall.^[13][5]

Prior to debuting on the 2023–24 Grand Prix series, An had longtime choreographer, Benoît Richaud, create a new free program, different from the one that she had initially intended to skate to. Competing at 2023 Skate America, An finished ninth. At the 2023 Cup of China, An debuted a new short program, finishing sixth in that segment of the competition, but dropping to eleventh overall after placing eleventh in the free skate segment.^{[13][5][14][15][16]}

An opted to not compete at the 2023 Chinese Championships.^[17]

Senior level

Junior level