Most Improved South Dakota Boys 800m Marks Compared to 2025

May 22, 2026

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Improvement Rankings: Top South Dakota Boys 800m marks compared to their season’s best performances from 2025.

Most Improved - 800 Meter Run

Comparing 2026 season to 2025 season

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Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-32.39	Jeffrey Sanchez Scotland High School	2026	3:45.52	3:13.13
2	-27.91	David Lethlean Rapid City Central High School	2029	2:45.86	2:17.95
3	-25.49	Jaxon Tollefson Mt. Vernon/Plankinton High School	2028	2:56.78	2:31.29
4	-25.28	Jackson Paxton Sully Buttes High School	2029	2:47.03	2:21.75
5	-23.85	Andrew Schwab Aberdeen Christian School	2029	2:51.94	2:28.09