Fausta Quilleri is spot on and has the answer:
from the article:
Fausta Quilleri, a lawyer from Brescia and a runner in the over-35s "Master" category, last month sent a petition to the president of the Italian Athletics Federation and the ministries for Equal Opportunities and Sport challenging Petrillo's right to compete in women's races.
"Her physical superiority is so evident as to make competition unfair," she says, arguing that the IOC's exclusive focus on testosterone "makes no sense" when physique is also a factor.
More than 30 female Master athletes signed the petition.
"If she wants to run with us we would be happy for her to do so. We will always welcome her but we don't want her to compete with us for titles," Quilleri says.