Canada, New Zealand win rowing golds; US leaves empty-handed

Wang Zifeng, Wang Yuwei, Xu Fei, Miao Tian, Zhang Min, Ju Rui, Li Jingjing, Guo Linlin, and Zhang Dechang of China celebrate winning the bronze medal for the women's rowing eight final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Lee Jin-man)

Gold medalists team Canada, center, silver medalist team New Zealand, left, and bronze medalists team Austria pose during the medal ceremony for the women's rowing single sculls final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Lee Jin-man)

Emma Twigg, of New Zealand reacts after winning the gold medal in the women's rowing single sculls final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Lee Jin-man)

Lisa Roman, Kasia Gruchalla-Wesierski, Christine Roper, Andrea Proske, Susanne Grainger, Madison Mailey, Sydney Payne, Avalon Wasteneys and Kristen Kit of Canada celebrate winning the gold medal in the women's rowing eight final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Darron Cummings)

Emma Twigg, of New Zealand reacts after winning the gold medal in the women's rowing single sculls final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Lee Jin-man)