Most Improved Illinois Boys 1600m Marks Compared to 2025

Apr 10, 2026

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Improvement Rankings: Top Illinois Boys 1600m marks compared to their season’s best performances from 2025.

Most Improved - 1600 Meter Run

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-1:31.85	Nathan Berhane Chicago (St. Ignatius College Prep)	2026	6:31.81	4:59.96
2	-1:25.12	Frankender Acosta Chicago (Juarez)	2028	7:10.77	5:45.65
3	-1:19.10	Henry Klohr Waterloo (H.S)	2027	6:33.30	5:14.20
4	-1:09.56	Hunter Kachuba Benton	2028	6:33.20	5:23.64
5	-1:09.10	Quinlan Taylor Monmouth (United)	2027	7:17.86	6:08.76
6	-55.45	...