Most Improved Arkansas Girls 400m Marks Compared to 2025

May 01, 2026

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Improvement Rankings: Top Arkansas Girls 400m marks compared to their season’s best performances from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-37.65	Daisy Osornia Riverview High School	2028	1:46.00	1:08.35
2	-24.95	Ari Baker North Little Rock High School	2026	1:33.19	1:08.24
3	-17.14	Aylin Melton Thaden School	2027	1:38.62	1:21.48
4	-16.88	Krislynn Morrow Yellville-Summit High School	2028	1:34.86	1:17.97
5	-11.11	Audrey Smith Haas Hall Bentonville	2026	1:31.77	1:20.66
6	-11.00	...