USA Outdoor Track and Field Championships

The USA Track & Field Outdoor Championships is an annual track and field competition organized by USA Track & Field, which serves as the American national championships for the sport. Since the year 1992, in the years which feature a Summer Olympics, World Athletics Championships, Pan American Games, NACAC Championships, or an IAAF Continental Cup, the championships serve as a way of selecting the best athletes for those competitions.

Source: Wikipedia — USA Outdoor Track and Field Championships (CC BY-SA 4.0)