MileSplit Staff Feb 18, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Ranking the top 400m performances delivered by Missouri-based junior boys during the 2026 Indoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 49.48 John Moss Hickman High School 2027 Mizzou HS Distance & Sprint Elite Feb 6, 2026 2 50.25 Tanner Wingrath Jefferson City High School 2027 Mizzou HS Distance & Sprint Elite Feb 6, 2026 3 50.96 Spencer Williams St. Louis Blues Track Club 2027 Eastern Indoors Feb 6, 2026 4 52.45 Ethan Reidner Marquette High School 2027 Mizzou HS Distance & Sprint Elite Feb 6, 2026 5 52.77 Blane Byers Kirk...