At the 2020 Summer Olympics, she again competed in the women's keirin and women's sprint.[3] She won a silver medal in the women's keirin at the 2020 World Championships, the best result ever for a Korean cyclist.[4] With this result, she became the world number 1 in women's keirin.[4]
Alongside Hwang Hyeon-seo, Kim Ha-eun, Cho Sun-yong, Lee was part of the women's sprint team that won the silver medal at the 2022 Asian Games.[5]