Most Improved Iowa Girls 100m Hurdles Marks Compared to 2025

Jun 05, 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	-5.29	Ariannah Hierstein Burlington	2028	24.10	18.81
2	-4.39	Aubree Shields Mount Ayr High School	2026	19.86	15.47
3	-3.51	Rachel Jones Manson-Northwest Webster High School	2027	22.33	18.82
4	-3.48	Lillian Sullivan Glenwood High School	2026	23.95	20.47
5	-3.31	Palmer Van marel MOC-Floyd Valley High School	2030	21.40	18.09
6	-3.30	...