 She has achieved impressive results year-on-year in the ITU World Triathlon Series, finishing 42nd in her debut year of 2013, 16th in 2014, 5th in 2015, 4th in 2016, 3rd in 2017, 2nd in 2018 and taking the overall title in 2019.Due to the events of the Covid-19 outbreak the 2020 World Triathlon Series was put on hold with no races being contested at the time of writing (30th June).Of the eight World Triathlon Series races in 2019, Zaferes finished in first place in five of them, taking the wins in Abu Dhabi, Bermuda, Yokohama, Montreal and the Grand Final in Lausanne.