Most Improved Kentucky Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Kentucky 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 -25.00 2028 1:52.73 1:27.73
2 -13.63 2032 1:27.30 1:13.66
3 -13.52 2027 1:17.19 1:03.67
4 -13.37 2033 1:34.05 1:20.67
5 -12.80 2030 1:11.39 58.59
6 -11.92