Most Improved Iowa Boys 1600m Marks Compared to 2025

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Improvement Rankings: Top Iowa 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 -1:27.08 2028 6:13.77 4:46.69
2 -1:26.62 2029 7:48.53 6:21.91
3 -1:11.52 2027 6:25.71 5:14.19
4 -1:09.34 2028 7:50.78 6:41.44
5 -1:06.20 2028 6:18.60 5:12.40
6 -1:04.98