MileSplit Staff Mar 20, 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 Texas 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 -19.64 Michael Green Houston Sterling 2028 1:14.98 55.34 2 -16.70 Jaidyn Downing Navasota 2030 1:12.26 55.55 3 -15.34 Ryan Jeter Houston Cyp. Ridge 2026 1:12.78 57.44 4 -12.51 Jeremiyah Woods Round Rock Stony Point 2028 1:08.24 55.73 5 -11.58 Caden Bateman Richmond Foster 2028 1:03.98 52.39 6 -10.72 Adrian Gonzalez El Paso Irv...