Most Improved Colorado Boys 300m Hurdles Marks Compared to 2025

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro
Join Now

Improvement Rankings: Top Colorado 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 -11.70 2028 58.19 46.49
2 -8.67 2027 53.07 44.40
3 -8.29 2028 1:03.64 55.35
4 -7.47 2028 57.40 49.93
5 -7.45 2028 54.39 46.94
6 -7.13