Most Improved Iowa Girls 100m Hurdles Marks Compared to 2025

Apr 24, 2026

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Improvement Rankings: Top Iowa Girls 100m Hurdles marks compared to their season’s best performances from 2025.

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-3.94	Aubree Shields Mount Ayr High School	2026	19.86	15.92
2	-3.48	Lillian Sullivan Glenwood High School	2026	23.95	20.47
3	-3.30	Lauren Ziaty Des Moines East High School	2026	27.12	23.82
4	-2.96	Ariannah Hierstein Burlington	2028	24.10	21.14
5	-2.77	Milena Catic Norwalk High School	2028	19.64	16.87
6	-2.49	Claire McGee ...