Sonia Tumiotto
In 2018 , she competed in the girls' 100 metre freestyle event at the 2018 Summer Youth Olympics held in Buenos Aires , Argentina . 
<triplet> girls' 100 metre freestyle <subj> 2018 <obj> point in time <subj> 2018 <obj> point in time <triplet> 2018 Summer Youth Olympics <subj> 2018 <obj> point in time <subj> 2018 <obj> point in time