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 -7.83 2028 1:08.72 1:00.89
3 -7.68 2028 1:04.19 56.51
4 -7.38 2028 1:09.25 1:01.87
5 -6.99 2028 1:05.24 58.25
6 -6.90 2...