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 -19.06 2030 1:25.44 1:06.38
2 -13.45 2026 1:15.74 1:02.29
3 -13.03 2026 1:02.71 49.68
4 -10.92 2027 1:13.70 1:02.78
5 -9.30 2028 1:05.24 55.94
6 -9.16