Most Improved Connecticut Boys 400m Marks Compared to 2025

Apr 10, 2026

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

MileSplit Pro Join Now

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	-7.98	Brayden O'Sullivan New Milford High School	2027	1:22.18	1:14.20
2	-6.47	Estrick Clarke Stratford High School	2028	1:08.46	1:01.99
3	-5.60	Romaine Larmand Warren Harding High School	2026	1:08.15	1:02.55
4	-5.47	Peyton Riebold Valley Regional High School	2028	1:09.31	1:03.84
5	-5.30	Andreas McCray Hamden High School	2027	59.64	54.34
6	-4.7...