Most Improved Illinois Boys 300m Hurdles Marks Compared to 2025

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Improvement Rankings: Top Illinois Boys 300m Hurdles marks compared to their season’s best performances from 2025.

Most Improved - 300 Meter Hurdles

Comparing 2026 season to 2025 season

...
Rank Improved Athlete/Team Class 2025 PR 2026 PR
1 -20.90 2027 1:03.40 42.50
2 -18.41 2027 58.23 39.82
3 -14.19 2028 1:06.56 52.37
4 -12.24 2027 54.56 42.32
5 -11.26 2026 55.11 43.85
5 -11.26