In 2011, Tirinzoni won her first World Curling Tour event, the Red Deer Curling Classic. She would not play in an international championship until 2013 when she skipped Switzerland at the 2013 World Women's Curling Championship.
Tirinzoni achieved her initial success on the World Curling Tour in 2011 with a win at the Red Deer Curling Classic. It wasn't until 2013 that she took part in an international tournament, serving as skip for Switzerland at the 2013 World Women's Curling Championship.