Best of Rio 2016 Summer Olympics: That competitive look (60 images)

Thailand's Sukanya Srisurat sets an Olympic record lifting 110 kg during the women's 58kg weightlifting during the 2016 Rio Summer Olympics in Rio de Janeiro, Brazil, August 8, 2016. Photo by Kevin Dietsch/UPI

Sweden's Sarah Sjostrom competes in the Women's 100M Butterfly final at the Olympic Aquatics Stadium at the 2016 Rio Summer Olympics in Rio de Janeiro, Brazil, on August 7, 2016. Sjostrom won gold with a world record time of 55.48. Photo by Matthew Healey/UPI

Yingnan Ma of China (L) fights with Italy's Odette Giuffrida in women"s 52 kg Judo at the 2016 Rio Summer Olympics in Rio de Janeiro, Brazil, on August 7, 2016. Giuffrida won the match Photo by Terry Schmitt/UPI

Great Britain gymnast Elissa Downie injures herlself as she competes in the floor routine at the 2016 Rio Summer Olympics in Rio de Janeiro, Brazil, August 6, 2016. Photo by Kevin Dietsch/UPI