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 -11.90 2026 1:14.37 1:02.47
2 -10.06 2027 1:15.71 1:05.65
3 -10.01 2028 1:14.16 1:04.15
4 -9.32 2028 1:17.23 1:07.91
5 -9.25 2028 1:17.66 1:08.41
6 -7.05