Most Improved Oklahoma Girls 400m Marks Compared to 2025

Apr 03, 2026

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Improvement Rankings: Top Oklahoma 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	-15.86	Mylie Maxon Cashion High School	2028	1:27.03	1:11.17
2	-15.77	Amira Harris Oklahoma School For The Deaf	2027	1:34.60	1:18.83
3	-11.96	Shoshana Hotema Dickson High School	2027	1:25.24	1:13.28
4	-7.90	Makayla Mize Hartshorne High School	2029	1:14.36	1:06.46
5	-7.58	Brecklyn Nelson Owasso Falcons	2032	1:38.01	1:30.42
6	-7.35	V...