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 -29.95 2026 1:29.07 59.12
2 -20.30 2026 1:14.42 54.12
3 -20.18 2026 1:16.33 56.15
4 -20.14 2030 1:27.40 1:07.26
5 -19.53 2030 1:31.10 1:11.57
6 -19.36