The nation's top open water swimmers as well as some international participants competed for the 10k national championship. The top two American men and women finishers qualified for the Open Water World Championships in July.
Nine open water swimmers will be heading to Yeosu, South Korea this July to represent Team USA at the 2019 FINA Open Water World Championships. Four different events — the 5k, 10k, 25k and 5k team relay — will take place from July 13-19, with athletes vying for World Championships medals as well as a chance to qualify for the 10k race at the Olympic Games in Tokyo in 2020.