Most Improved Ohio Boys 400m Marks Compared to 2025

MileSplit Staff

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro
Join Now

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 -13.70 2027 1:09.70 56.00
2 -13.50 2027 1:13.65 1:00.15
3 -12.88 2028 1:15.22 1:02.34
4 -10.84 2027 1:13.20 1:02.36
5 -10.69 2027 1:13.31 1:02.62
6 -10.55 ...