Most Improved Juniors: Top Boys 400m Performers in Mississippi

Mar 16, 2026

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Ranking the Most Improved Class of 2027 Boys 400m performers from Mississippi compared to their best results from 2025.

Comparing 2026 season to 2025 season

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Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-9.68	Jaydon Sheriff Northwest Rankin High School	2027	1:10.83	1:01.15
2	-8.85	Marcus Britton Tupelo High School	2027	1:04.86	56.01
3	-8.15	Zaqari Dawson Northwest Rankin High School	2027	1:04.04	55.89
4	-7.54	Jacari Christian Northwest Rankin High School	2027	1:05.45	57.91
5	-6.96	Conner Brooks Biggersville High School	2027	1:13.63	1:06.67