Most Improved Oregon Girls 400m Marks Compared to 2025

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Improvement Rankings: Top Oregon Girls 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 -22.31 2028 1:43.42 1:21.11
2 -13.94 2027 1:42.94 1:29.00
3 -12.74 2028 1:14.21 1:01.47
4 -12.47 2028 1:20.90 1:08.43
5 -9.17 2027 1:26.10 1:16.93
6 -8.89 2028