Most Improved Kansas Boys 400m Marks Compared to 2025

May 01, 2026

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Improvement Rankings: Top Kansas Boys 400m marks compared to their season’s best performances from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

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Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-22.98	Nicholas Anstaett Osage City High School	2028	1:22.04	59.06
2	-16.56	Zonte McMillon Highland Park High School	2027	1:13.90	57.34
3	-13.91	Rhys Bailey Rawlins County High School	2027	1:06.58	52.67
4	-10.88	Mason Kochanowicz Kansas City East Christian Academy	2027	1:13.52	1:02.64
5	-10.59	Parker Kinsman Doniphan West High School	2027	1:15.34	1:04.75