Most Improved Missouri Girls 300m Hurdles Marks Compared to 2025

Apr 03, 2026

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Improvement Rankings: Top Missouri Girls 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	-11.27	Ayanna Cushinberry Center High School	2028	1:14.14	1:02.87
2	-6.36	Kailani Demuth Bolivar High School	2028	1:05.47	59.11
3	-6.25	Mallory Simpson Gainesville High School	2028	1:08.32	1:02.07
4	-4.96	Rylan Hillyer Concordia High School	2028	1:05.04	1:00.08
5	-4.43	Lyla Wright Hillsboro High School	2028	54.50	50.07
6	-4.40	...