Most Improved South Dakota Boys 400m Marks Compared to 2025

Apr 10, 2026

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro Join Now

Improvement Rankings: Top South Dakota Boys 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	-10.53	Chris Radford Irene-Wakonda High School	2028	1:25.06	1:14.53
2	-9.75	Sam Baker Rapid City Stevens High School	2028	1:15.96	1:06.21
3	-5.96	Teagan Bush Mt. Vernon/Plankinton High School	2028	1:07.03	1:01.07
4	-5.78	Gavin Kipp McCook Central/Montrose High School	2027	1:02.58	56.80
5	-5.60	Eben Wurgler Aberdeen Christian School	2029	1:01.39	55.79