Most Improved Indiana Boys 400m Marks Compared to 2025

Apr 03, 2026

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

MileSplit Pro Join Now

Improvement Rankings: Top Indiana 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	-35.72	King Whinsenton Thea Bowman Leadership Academy	2026	1:34.08	58.36
2	-6.64	Randy Griffin Lafayette Jefferson High School	2028	1:07.59	1:00.95
3	-6.13	Amiel Newport Marquette Catholic High School	2028	1:02.68	56.55
4	-5.73	Nathan McFarland Hamilton Southeastern High School	2028	1:02.59	56.85
5	-5.43	Eli Briggeman Barr-Reeve High School	2027	1:05.92	1:00.49