Most Improved Connecticut Boys 400m Marks Compared to 2025

Apr 24, 2026

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Improvement Rankings: Top Connecticut 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	-19.50	Christopher Baldoni jr Griswold High School	2027	1:22.14	1:02.64
2	-11.07	Isaiah Hernandez New Britain High School	2027	1:10.01	58.94
3	-9.04	Romaine Larmand Warren Harding High School	2026	1:08.15	59.11
4	-8.93	Jonathan Coss Hall High School	2028	1:15.03	1:06.10
5	-8.62	Isaac Baez Derby High School	2028	1:06.64	58.02
6	-8.24	...