The 2026 Pan Pacific Championships are fast approaching, and the excitement is palpable as the final session of the meet draws near. The women's and men's 400 medley relay lineups have been released, and it promises to be a thrilling race with some of the world's best swimmers competing. This event is a testament to the power of teamwork and individual talent, and it will be fascinating to see how the teams strategize and execute their races. The United States, the favorite team, has made some strategic changes to their lineup, bringing in new swimmers and maintaining a strong presence. Katharine Berkoff, McKenzie Siroky, Gretchen Walsh, and Kate Douglass form a formidable quartet, with Berkoff and Siroky taking on new legs and Walsh and Douglass anchoring the team. The rest of the field is equally impressive, with strong teams from Australia, Japan, Canada, China, South Africa, and the United States. The race will be a showcase of swimming prowess and tactical brilliance, and it will be a true test of the athletes' skills and endurance. As the meet progresses, the anticipation builds, and the question remains: who will emerge victorious in this highly anticipated relay event?