MileSplit Staff Apr 24, 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 Michigan 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 -20.61 Chanoch Golob-Black Flint Michigan School For The Deaf 2030 1:38.86 1:18.25 2 -18.21 Kevin Davis Bay City Central 2026 1:17.27 59.06 3 -16.62 Michael Bell Brimley 2028 1:22.04 1:05.42 4 -16.39 Dillon Hamilton Fenton 2026 1:07.80 51.41 5 -14.74 Shahzad Asim Novi 2028 1:32.58 1:17.84 6 -14.10 Keontey Ware Flint Central...