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 -8.59 2029 1:09.30 1:00.71
2 -7.59 2030 1:16.76 1:09.17
3 -5.18 2028 1:05.02 59.84
4 -4.59 2026 1:04.11 59.52
5 -3.76 2026 58.54 54.78
6 -3.61 2026