Margaret Mac Neil finished first in womens 100metre butterfly to capture Canadas first gold medal at the Tokyo Olympics.
Swimmer Margaret Mac Neil has won Canada's first gold medal of the 2020 Tokyo Olympics.
Mac Neil swam a strong second length to finish first in the women's 100-metre butterfly in a time of 55.59 seconds.
Zhang Yufei of China was second and Emma McKeon of Australia finished third.
Mac Neil became Canada's first multi-medallist in Tokyo following a silver medal in the women's 4x100 freestyle relay in the first day of finals.
The 21-year-old from London, Ont., was a surprise winner of the 100-metre butterfly at the 2019 world championship in Gwangju, South Korea, where she bested reigning Olympic champion Sarah Sjoestroem of Sweden.
Mac Neil, a senior at the University of Michigan, is also a two-time NCAA champion in freestyle and butterfly.