Most Improved Michigan Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Michigan 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 -20.61 2030 1:38.86 1:18.25
2 -18.21 2026 1:17.27 59.06
3 -16.62 2028 1:22.04 1:05.42
4 -16.39 2026 1:07.80 51.41
5 -14.74 2028 1:32.58 1:17.84
6 -14.10