Iowa Underclassman Rankings: Top Boys 400m Performers

Mar 18, 2026

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Ranking the top underclassman Boys 400m performers in Iowa during the 2026 Outdoor Season.

Rank	Time	Athlete/Team	Class	Meet / Date
1	58.78	Alonso Casillas Southeast Polk High School	2029	SEP Beat the Freeze Meet Mar 10, 2026
2	59.58	Sean Sinnott Southeast Polk High School	2029	SEP Beat the Freeze Meet Mar 10, 2026
3	59.74	Korbyn Brant Southeast Polk High School	2028	SEP Beat the Freeze Meet Mar 10, 2026
4	59.90	Hayden PIPER Southeast Polk High School	2029	SEP Beat the Freeze Meet Mar 10, 2026
5	1:00.72	Hayden Erwin Ankeny Centennial ...