Record attendance at 2026 US National Swimming Championships: William Woollett Jr. Aquatics Center to welcome 18,701 spectators

The 2026 US National Swimming Championships are approaching and according to official data from USA Swimming, the event is expected to attract a record number of spectators. According to the latest announcement, a total of 18,701 spectators will attend the 2026 US National Swimming Championships, including 809 swimmers. The event will take place at the William Woollett Jr. Aquatics Center in Irvine, California. This is the first time in many years that this center will serve as the venue for major domestic competitions. This data shows increasing interest from the American swimming community, although there are still many differences compared to previous events.