Most Improved Washington Boys 400m Marks Compared to 2025

Apr 17, 2026

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

Comparing 2026 season to 2025 season

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Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-11.20	David Hernandez Bellarmine Preparatory School	2028	1:12.54	1:01.34
2	-10.22	Michael Rosemond Redmond Senior High School	2028	1:03.88	53.66
2	-10.22	Isaac Nava Wahluke High School	2028	1:09.81	59.59
4	-9.42	Liam Duong Kentwood High School	2028	1:26.37	1:16.95
5	-9.14	Thomas Gould North Thurston High School	2027	1:19.07	1:09.93
6	-8.84