1. Justin Robinson Breaks 45 Seconds, Goes No. 2 All-Time 44.84 In 400m
Info: What an incredible final 200 meters this was for Robinson. The Hazelwood West (MO) junior was strong from start to finish, and it was in the final 100 meters where he truly found his form, powering through the line in a US No. 2 all-time performance of 44.84 seconds. Remarkably, Robinson went from a best of 46.20 seconds to 44.84 on Saturday. He skipped 45 seconds all together.