Most Improved Oregon Boys 400m Marks Compared to 2025

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Improvement Rankings: Top Oregon 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 -13.03 2026 1:02.71 49.68
2 -9.16 2028 1:04.19 55.03
3 -7.92 2028 1:12.03 1:04.11
4 -7.83 2028 1:08.72 1:00.89
5 -7.46 2028 1:08.84 1:01.38
6 -7.38 2028 1:09...