She competed at the Pan American Fencing Championships where she won a bronze medal in the individual sabre event in 2017; bronze medals in the team sabre event in 2013 and 2016; and competed in 2014, 2015 and 2018. Ponich also competed at the World Fencing Championships in 2013, 2014, 2015, 2016, 2017 and 2018.