MileSplit Staff Mar 27, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Improvement Rankings: Top Nebraska 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 -33.73 Sebastain Quigley Bridgeport 2026 5:41.91 5:08.18 2 -31.45 Benjamin Pierce Gretna 2028 5:30.09 4:58.64 3 -23.90 Leo Whitman Ralston High School 2028 5:44.63 5:20.73 4 -21.39 Jacob Zakrzewski Doniphan-Trumbull 2026 5:25.33 5:03.94 5 -21.11 Ryan Blood Millard North High School 2028 5:17.07 4:55.96 6 -19.19 Ethan Heilbrun ...