MileSplit Staff Apr 17, 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 Delaware 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 -1:24.89 Christopher Perez ASPIRA Charter High School 2026 7:46.57 6:21.68 2 -50.70 Tyler Hinkle Laurel High School 2027 6:54.00 6:03.30 3 -35.19 Gavin Conlan Tatnall 2028 5:23.70 4:48.51 4 -33.29 Lennox Brankowitz Newark High School 2027 7:09.02 6:35.73 5 -32.52 Bale Garrett Salesianum School 2027 5:59.82 5:27.29 6 -31.02 Liam Bo...