Obea Moore , Chip Rish , Scott Ruvolo, 400m 45.0 hand timed Moore was electronic. Ruvolo ran a 440 yards that is measured further so is considered a different event and unofficial.
Outdoor tracks are almost always 400 meters long for one lap. There is no standard for a high school track vs. a middle school one. Tracks tend to be the same length so that the same events can be...