 She completed the 2016 ITU World Triathlon Series ranked fourth overall.As the top-ranked woman in USA Triathlon's ranking system, Zaferes was named to the triathlon team for the 2016 Summer Olympics where she finished 18th.2015 could be considered Zaferes' break-out year, taking silver in five ITU World Triathlon Series races (Abu Dhabi, Aukland, Cape Town, London, Stockholm) plus bronze in Gold Coast.