Haley Anderson and Ashley Twichell became the first of who will be more than 500 athletes to qualify for the 2020 U.S. Olympic team.
Anderson, a 2012 Olympic silver medalist, qualified for her third Olympics by placing Xth in the world swimming championships open-water 10km in South Korea on Sunday morning.
Twichell, a 30-year-old who tried to make Olympic teams in 2008, 2012 and 2016, is in line to become the oldest U.S. Olympic rookie swimmer since James Greene in 1908, according to the OlyMADMen. And the third-oldest U.S. Olympic female swimmer after Dara Torres (33, 41) and Jenny Thompson (31), who each earned 12 medals.