​The summer’s final U.S. national swim meet is nearly here, with the 2026 Toyota U.S. Swimming National Championships airing live from Tuesday through Saturday on Peacock and NBCSN.It marks Team USA’s last chance to compete before the Pan Pacific Championships this August in Irvine, California – the first major international long-course meet on American soil since the 2010 Pan Pacs.Several notable stars will be absent from nationals, including Katie Ledecky, Regan Smith and distance standout Bobby Finke as they focus on preparations for Pan Pacs, which begin 11 days after nationals conclude.2026 Toyota USA Swimming National Championships: How to watch, schedule, previewThe U.S. Swimming Championships air live on Peacock and NBCSN. Nick Zaccardi,Here are the biggest names to know:Caeleb DresselDressel enters as the No. 3 seed in both the 50m fly (23.28) and 100m fly (51.26).The nine-time Olympic gold medalist continues his comeback after stepping away from the sport following the 2024 Paris Olympics.The three-time American record holder and world-record holder in the 100m butterfly has shown steady improvement in 2026, highlighted by a season-best 21.84 in the 50m free at the Indianapolis Pro Series—his fastest time since Paris.Gretchen WalshWalsh is entered only in the 50m free, where she is the world-record holder and top attraction despite a limited schedule ahead of Pan Pacs.The four-time Olympic medalist and current world-record holder in the 50m free and 100m fly has continued her remarkable run this year, lowering her own world mark in the 100m fly to 54.33 and setting a new world record of 23.55 in the 50m free. She also owns the world’s fastest time this year in the 50m fly (24.51).Gretchen C Walsh of United States shows the gold medal after competing in the 50m Butterfly Women Final during the 62nd Settecolli swimming meeting at Stadio del Nuoto in Rome (Italy), June 26th, 2026 (Photo by Giorgio Scala / DBM / Insidefoto via Getty Images)Mondadori Portfolio via Getty ImagesKate DouglassDouglass enters nationals as the No. 1 seed in the 100m breast (1:05.27) and the No. 2 seed in the 50m free (23.59).The five-time Olympic medalist and 18-time world champion has clocked eight of her personal bests within the past two seasons. She currently holds the American record and ranks second all-time in the 200m breast (2:18.50), along with a top-10 all-time mark in the 200m IM.Douglass most recently set the 50m free world record at the TYR Pro Swim Series on June 19, clocking in at 23.59 – a mark Walsh would claim just days later. This season, Douglass has ranked among the top five in four different events: the 50m free, 200m breast, 200m IM and 50m fly.Michael AndrewTop seed in the 50m breast (26.75)No. 2 seed in the 50m fly (23.08)No. 5 seed in the 50m free (21.78)No. 5 seed in the 100m breast (59.99)Andrew was part of the gold medal-winning and world-record-setting U.S. 4×100 medley relay in Tokyo. After falling short of qualifying for the