Most Improved Missouri Boys 400m Marks Compared to 2025

May 01, 2026

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

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-28.69	Trent Putman Branson High School	2028	1:48.59	1:19.90
2	-21.81	Ty'Rei Smith Raytown High School	2028	1:17.03	55.22
3	-16.24	Demarquo Fox Cardinal Ritter High School	2028	1:09.88	53.64
4	-15.14	Parker Jensen Valley Park High School	2027	1:54.02	1:38.88
5	-12.99	Pierre Anderson Hazelwood West High School	2028	1:10.69	57.70
6	-11.85	...