Most Improved Illinois Boys 400m Marks Compared to 2025

Apr 24, 2026

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Improvement Rankings: Top Illinois 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	-29.79	Ben Rick Lemont	2027	1:30.04	1:00.25
2	-23.55	John Kinsella New Lenox (Lincoln-Way West)	2028	1:19.34	55.79
3	-22.21	Wyatt Arseneau Clifton (Central)	2027	1:20.67	58.46
4	-19.98	Riegan Miller Henry (H.-Senachwine)	2028	1:25.57	1:05.59
5	-19.79	Carson Kinscherff Pleasant Hill	2030	1:28.03	1:08.24
6	-16.44	Eli Sells Du...