Most Improved South Carolina Boys 400m Marks Compared to 2025

Mar 13, 2026

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Improvement Rankings: Highlighting the top South Carolina Boys 400m performers this Outdoor Season compared their best results 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	-14.00	Adrian Clarkson North Central	2030	1:30.50	1:16.49
3	-13.01	Andrew Kennickfill Wando	2030	1:14.80	1:01.79
4	-12.73	Xavier McMillan Lugoff Elgin	2029	1:11.96	59.23
5	-11.87	Antonino Corvato May River	2027	1:05.79	53.92
6	-11.44	Jaylen ...