Most Improved Ohio Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Ohio 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 -21.05 2027 1:12.69 51.64
2 -15.75 2027 1:15.97 1:00.22
3 -14.38 2028 1:15.32 1:00.94
4 -14.20 2028 1:15.22 1:01.02
5 -13.70 2027 1:09.70 56.00
6 -13.57 ...