Reply To: U.S. Question, is interval for 50yd repeat length for 500 free too long? Home › Forums › General USRPT Topics › U.S. Question, is interval for 50yd repeat length for 500 free too long? › Reply To: U.S. Question, is interval for 50yd repeat length for 500 free too long? March 5, 2015 at 3:15 pm #2374 AnonymousInactive Goal times are not typically part of USRPT but best times are. I think you are a little off the reservation.