Most Improved Florida Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Florida 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 -21.32 2031 2:08.43 1:47.11
2 -20.54 2030 1:32.65 1:12.11
3 -20.01 2027 1:15.55 55.54
4 -17.63 2028 1:15.70 58.07
5 -15.82 2032 1:47.13 1:31.31
6 -15.14 ...