Most Improved New Hampshire Boys 400m Marks Compared to 2025

May 08, 2026

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

MileSplit Pro Join Now

Improvement Rankings: Top New Hampshire 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	-12.62	Marcus Bower Spaulding High School	2028	1:12.02	59.40
2	-11.38	Camden Griffith Alvirne High School	2028	1:15.31	1:03.93
3	-10.39	Nicholas Turibio Coe Brown Academy	2028	1:12.43	1:02.04
4	-8.99	Dylan Lenahan Hinsdale High	2028	1:10.62	1:01.63
5	-7.04	Carter Swett Pinkerton Academy	2027	1:02.19	55.15
6	-5.57	Andrew Turi...