Most Improved Kansas Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Kansas 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 -22.98 2028 1:22.04 59.06
2 -16.56 2027 1:13.90 57.34
3 -13.91 2027 1:06.58 52.67
4 -10.88 2027 1:13.52 1:02.64
5 -10.59 2027 1:15.34 1:04.75