Most Improved Washington Boys 400m Marks Compared to 2025

Mar 27, 2026

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Improvement Rankings: Top Washington 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	-10.22	Isaac Nava Wahluke High School	2028	1:09.81	59.59
2	-9.14	Thomas Gould North Thurston High School	2027	1:19.07	1:09.93
3	-8.79	Pranav Atukuri Henry M Jackson High School	2028	1:18.43	1:09.64
4	-8.46	Kalin Shelbourn Richland High School	2028	1:08.88	1:00.42
5	-7.78	Simon Nessan Ingraham High School	2027