Most Improved Pennsylvania Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Pennsylvania 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 -28.42 2026 1:29.07 1:00.65
2 -20.30 2026 1:14.42 54.12
3 -17.83 2026 1:16.33 58.50
4 -15.26 2026 1:20.39 1:05.13
5 -13.98 2027 1:14.88 1:00.90
6 -13.05