Dillon made her senior international debut for the United States in June 2021 at the
2021 Pan American Taekwondo Championships and won a bronze medal in the women's 57 kg event. In May 2022, she competed at the 2022
Pan American Taekwondo Championships and won a bronze medal in the women's 62 kg event. In November 2022, she competed in the
women's lightweight event at the
2022 World Taekwondo Championships held in
Guadalajara, Mexico. In June 2023, she competed in the
women's lightweight event at the
2023 World Taekwondo Championships held in
Baku, Azerbaijan. Later that month she then competed at the
2023 World Taekwondo Grand Prix in
Rome, Italy and won a bronze medal in the women's 57 kg event. In December 2023, she competed at the 2023 World Taekwondo Grand Prix in
Manchester, United Kingdom and won a silver medal in the women's 57 kg event, losing to
Luo Zongshi. In January 2024, she competed at the U.S. Olympic Trials and defeated 2022
world champion Makayla Greenwood to advance to the
2024 Pan American Taekwondo Olympic Qualification Tournament. Later that month at the Fujairah Open she fractured the
metacarpal bone in her ring finger after an axe kick to her hand. She underwent surgery and missed three to four weeks of action. In April 2024, during the Olympic Qualification Tournament, she won her semifinal match and
qualified to represent the United States at the
2024 Summer Olympics. ==References==