Usa Swimming Nationals 2025 Dates. Usa swimming sets time standards for a variety of meets including 2025 olympic trials, phillips 66 national championships, toyota usa open and more! Participants must be registered masters swimmers and at least 18 years of age as of june 19, 2025.

The calendar features ten different events to be held at 15 different locations. The event schedule features open water nationals and junior nationals, speedo winter juniors, three tyr pro swim series events, the toyota u.s.