Most Improved Oklahoma Girls 400m Marks Compared to 2025

May 22, 2026

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Improvement Rankings: Top Oklahoma Girls 400m 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	-21.18	Baylee Bloomfield Glenpool High School	2030	1:46.07	1:24.89
2	-20.29	Amira Harris Oklahoma School For The Deaf	2027	1:34.60	1:14.31
3	-20.02	Mylie Maxon Cashion High School	2028	1:27.03	1:07.01
4	-19.34	Adalynn Larson Tecumseh High School	2030	1:36.09	1:16.75
5	-13.83	Amelia Wassom Chouteau High School	2029	1:27.10	1:13.27
6	-12.35