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 Arkansas Boys Discus marks compared to their season’s best performances from 2025. Most Improved - Discus Throw Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +49' 7.00" Collin Shiefelbein Southwest Junior High School 2029 80-04.00 129-11.00 2 +42' 2.00" Jamari Rodgers Searcy High School 2026 93-04.00 135-06.00 3 +40' 5.00" Quartez Shepard Bryant High School 2027 106-06.00 146-11.00 4 +36' 2.00" Jakaden Grissom Magnolia High School 2027 118-04.00 154-06.00 5 +33' 7.00" Dalton Strickland Don Tyson School of Innovation 2027 98-08....