At the 2012 Summer Olympics in London, Bootsma posted a time of 1.00.03 in the heats for the 100-meter backstroke, finishing in eleventh place overall and qualifying for a place in the semifinals. She then finished in sixth place of semi-final 2 with a time of 1.00.04, failing to gain a place in the final. Bootsma earned a gold medal as a member of the winning U.S. team in the 4×100-meter medley relay. She swam the backstroke leg in the preliminary races, helping the U.S. team win a spot in the final.