Most Improved Massachusetts Boys 400m Marks Compared to 2025

Apr 17, 2026

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro Join Now

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

...

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-9.29	Amir Bridges Cristo Rey	2028	1:14.02	1:04.73
2	-8.97	Jabari Sauveur South Shore Vocational Technical High School	2028	1:06.00	57.03
3	-8.28	William Vial Xaverian Brothers	2028	1:08.54	1:00.26
4	-7.67	Ethan Napolitano Acton-Boxborough High School	2027	1:04.90	57.23
5	-7.34	William Hutchinson Franklin County Tech School	2028	1:07.44	1:00.10
6