Furrer was a double silver medallist in the time trial and road race at this year’s Swiss road nationals.
“Our hearts are broken,” said Swiss Cycling on X. “It is with a heavy heart and infinite sadness that we have to say goodbye to Muriel Furrer.
“We are losing a warm-hearted and wonderful young woman who always had a smile on her face. There is no understanding, only pain and sadness.”
In a statement following the news of her loss, the UCI said: “With the passing of Muriel Furrer, the international cycling community loses a rider with a bright future ahead of her.
“The UCI and the Organising Committee of the 2024 UCI Road and Para-cycling Road World Championships offer their sincere condolences to Muriel Furrer’s family, friends and her federation Swiss Cycling.
“Muriel Furrer’s family asks that their privacy be respected at this very painful time.”
British Cycling posted on X: “Everyone at British Cycling is devastated to learn of the passing of Muriel Furrer.
“Muriel was a devoted young rider with a bright future ahead of her and will be sorely missed by the cycling world. We send our condolences to her family, friends and team-mates at Swiss Cycling.”
Road cycling team Movistar added: “Sending all of our strength to the family, friends and team-mates of Muriel Furrer and to Swiss Cycling for this tragic loss. May she rest in peace.”