Most Improved Massachusetts Boys 400m Marks Compared to 2025

Apr 03, 2026

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Improvement Rankings: Top Massachusetts 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	-5.66	James Kirkwood Hopkinton High School	2027	1:05.81	1:00.15
2	-5.60	Jack Johnson Whitinsville Christian	2028	1:25.34	1:19.74
3	-5.42	Jackson Pelletier Parker Charter Essential School	2027	1:15.95	1:10.53
4	-4.40	Pedro Carvalho Whitinsville Christian	2027	57.44	53.04
5	-3.38	Nolan Zolkos Lowell High School	2026	1:00.34	56.96
6	-3.31