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 Indiana Boys 300m Hurdles marks compared to their season’s best performances from 2025. Most Improved - 300 Meter Hurdles Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -8.97 Hunter Riley Tecumseh High School 2028 58.22 49.25 2 -8.30 Donntavious Viverette Vincennes Lincoln High School 2028 56.02 47.72 3 -8.05 Aden Wasson Lawrence Central High School 2028 54.57 46.52 4 -7.42 Max Uggen Blackford High School 2027 59.03 51.60 5 -7.19 Thomas Young Mishawaka Marian High School 2027 56.30 49.11 6 -6.37