Summer McIntosh wins Women's 400M Freestyle at the 2023 Toyota U.S. Open in Greensboro. Katie Ledecky and Siobhan Haughey take second and third. ★RESULTS★ Summer McIntosh 3:59.42 Katie Ledecky 4:02.38 Siobhan Haughey 4:06.32 _______________________________________________ ★CONNECT WITH OUR COMMUNITY★ Website: https://www.usaswimming.org Instagram: https://www.instagram.com/usaswimming Facebook: https://www.facebook.com/USAswimming Twitter: https://twitter.com/usaswimming _______________________________________________ ★SUBSCRIBE FOR MORE CONTENT★