 Complete the following phrase:  In April 2016, McCartney was selected to compete at the 2016 Summer Olympics in Rio de Janeiro. In the Olympic final, she cleared 4.50 m, 4.60 m, 4.70 m, and her personal best 4.80 m on her first attempts, but was eliminated after failing to clear 4.85 m. Her 4.80 m result and no misses up to that height saw her place ahead of Australias Alana Boyd to win the bronze medal. At age 19 years and 252 days, McCartney became the youngest Olympic medallist in the womens pole vault. She was also only the fourth New Zealand Olympic medallist in a field event, after Yvette Williams long jump, 1952, Valerie Adams shot put, 2008, 2012, 2016, and Tomas Walsh shot put, 2016. BMX rider Sarah Walker, an 