Most Improved Illinois Boys 400m Times Compared to 2025

Mar 05, 2026

PRO

See the rest of this article

Access the complete article with MileSplit PRO.

Already a subscriber? Log in.

2026 Improvement Rankings: Highlighting the top Boys 400m performers from Illinois compared to their season best results from 2025.

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-17.54	Loren Hirthe Downers Grove (South)	2028	1:16.55	59.01
2	-10.95	Brock Watson Genoa (G.-Kingston)	2028	1:12.92	1:01.97
3	-10.85	Sebastian Luevano Chicago (Hancock)	2027	1:27.45	1:16.60
4	-10.72	Andrew Montalvo Berwyn-Cicero (Morton)	2027	1:26.48	1:15.76
5	-10.39	Graham Ingle Rockton (Hononegah)	2026	1:04.51	54.12
6	-...