She won it in the 80 m hurdles event at the 1936 Summer Olympics in Berlin, after establishing the new world record during the semi-final.

She rivalled with Claudia Testoni at the school championships in their hometown, and they would remain opponents for the rest of their careers.

[2] She was a versatile athlete, capable of excellent results in sprint events, hurdles races and jumps.

There were no doubts about Valla's victory, but a photofinish picture was needed to award the silver and bronze medals.

[3] The victory of Valla was important for the Fascist regime and the hostility of many leaders for the participation of women in athletic competitions started to decrease.