Most Improved Nevada Boys 400m Marks Compared to 2025

MileSplit Staff
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Improvement Rankings: Top Nevada 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 -21.72 2027 1:21.83 1:00.11
2 -9.70 2028 1:09.00 59.30
3 -9.00 2026 1:16.70 1:07.70
4 -8.37 2028 1:10.61 1:02.24
5 -8.34 2028 1:06.23 57.89
6 -7.93