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 -17.19 2027 58.23 41.04
3 -13.36 2028 1:06.56 53.20
4 -11.78 2027 54.56 42.78
5 -10.87 2028 1:00.25 49.38
6 -10.49