Later that year she moved up to the senior division, and won also the gold medal in the women's lightweight event at the senior level 2022 World Taekwondo Championships in Guadalajara, Mexico becoming Belgium's first female World Taekwondo champion. In doing so, Chaâri also became the first-ever Taekwondo fighter to win golds at both Junior and Senior World Championships in the same year.
In May 2024, Chaâri became European Champion by defeating the reigning world champion Magda Wiet-Henin of France in the final of the 67kg category. And at the 2024 Summer Olympics later that year in Paris, France, she won the bronze medal in that same 67kg category.
In October 2025, at the 2025 World Taekwondo Championships in Wuxi, China, she was crowned world champion at the senior level for the second time, this time in the women's middleweight category. She punctuated her victory with a huge quarter-final victory in three rounds against France's Althéa Laurin, the defending world champion in the weight category and +67kg Olympic gold medalist in Paris.
In February 2026, Chaâri won the gold medal at the 13th Fujairah Open International Taekwondo Championships. In May, she was crowned European champion for a second time at the 2026 European Taekwondo Championships in Munich, Germany.
Personal life
Chaâri studies medicine at the Université libre de Bruxelles, having passed the medical school entrance exam in July 2022 where she ranked in the top 6% candidates. Sarah's father is Moroccan and her mother is Belgian and she is to be considered first-ever European Muslim woman to obtain a medal at Summer Olympics.
12"Sarah Chaari: One Year, Two World Titles". World Taekwondo. 18 August 2022. Retrieved 9 March 2024. The 17-year-old from Charleroi, Belgium, pulled off an achievement unique in Taekwondo history: In 2022 she has won both the Junior and Senior World Championship titles.
↑"Paris 2024 Olympians shine at European Taekwondo Championships". Focus on Belgium. www.insidethegames.biz. 13 May 2024. Retrieved 22 May 2024. Belgium's 19-year-old rising star Sarah Chaari stunned reigning world champion Magda Wiet-Henin of France in the final of the 67 kg category.
↑"Larin, Chaari, and Nickolas claim UAE gold". Inside the Games. 9 February 2026. Retrieved 14 May 2026. Sarah Chaari of Belgium, the double and reigning World champion and Paris 2024 bronze medallist, lived up to her top billing with a flawless run to gold.