Monday saw a pair of Team USA swimmers not only win gold in their respective events, but also set Olympic record times in the process. 

took gold in the 100m backstroke, with an Olympic record time of 51.97 seconds. Murphy's win also kept alive a U.S. streak of backstroke wins since the 1996 games,
according to an Olympic report.

King knocked off Russia's Yulia Efimova, who has previously been banned for doping, in a dazzling battle in the 100m breaststroke.

publicly called Efimova out for her doping controversy during the qualifying rounds on Sunday and was able to take down the tainted swimmer
by posting an impressive 1:04.93, Olympic record time.