Most Improved Delaware Girls 400m Marks Compared to 2025

May 01, 2026

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Improvement Rankings: Top Delaware 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	-12.21	Olivia Wilson Odyssey Charter School HS	2027	1:27.13	1:14.92
2	-10.37	Siara Johnson Newark Charter	2029	1:14.61	1:04.24
3	-8.53	Kayleigh Bristow St. Mark's High School	2026	1:09.14	1:00.61
4	-8.39	Favor Umar Alexis I. DuPont High School	2026	1:17.52	1:09.13
5	-8.06	Micahlena Cotton Smyrna High School	2028	1:03.98	55.92
6	-4.04	...