Most Improved Wisconsin Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Wisconsin 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 -22.16 2027 1:26.93 1:04.77
2 -16.23 2028 1:25.07 1:08.84
3 -11.90 2026 1:14.37 1:02.47
4 -11.21 2028 1:14.16 1:02.95
5 -10.79 2028 1:17.66 1:06.87
6 -10.06 ...