Most Improved South Dakota Girls 400m Marks Compared to 2025

May 08, 2026

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Improvement Rankings: Top South Dakota 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	-12.11	Justice Sovell Sully Buttes High School	2030	1:24.94	1:12.83
2	-9.69	Josie Sovell Sully Buttes High School	2030	1:21.01	1:11.32
3	-9.14	Olivia Hanson Viborg High School	2027	1:24.65	1:15.51
4	-7.50	Sage Martz Centerville High School	2029	1:09.27	1:01.77
5	-6.38	Hannah Masterson Scotland High School	2028	1:24.03	1:17.65
6	-6.34	...