Most Improved South Carolina Boys 400m Marks Compared to 2025

Mar 20, 2026

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Improvement Rankings: Top South Carolina 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	-19.47	Stephen Jefferson Ashley Ridge	2026	1:21.30	1:01.83
2	-17.30	Je'sean Porcher Mauldin	2028	1:18.04	1:00.74
3	-14.96	Phoenix Ciasulli Travelers Rest	2028	1:15.45	1:00.49
4	-14.00	Adrian Clarkson North Central	2030	1:30.50	1:16.49
5	-13.02	Joshua Harris C.A. Johnson	2028	1:07.14	54.12
6	-13.01	Andrew Kennickfill W...