Most Improved Tennessee 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 Tennessee 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	-18.24	Tovarious Maclin Jackson North Side High School	2026	1:16.44	58.20
2	-13.55	James Cohen Lakeway Christian Academy	2031	1:17.99	1:04.43
3	-13.14	Keon Franklin Chattanooga Central High School	2027	1:11.01	57.87
4	-12.70	Sayvion Browne Northeast High School	2027	1:07.53	54.83
5	-10.62	Cassius Powe Rossview High School	2027	1:05.00	54.38
5	-...