MileSplit Staff Jun 05, 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 California Boys 110m Hurdles marks compared to their season’s best performances from 2025. Most Improved - 110 Meter Hurdles Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -9.93 Ryan Merles Silver Valley (SS) 2027 25.56 15.63 2 -8.64 Chase T Phinouwong Segerstrom (SS) 2026 25.00 16.36 3 -7.55 Tavai Kurstin San Marcos (SS) 2028 25.80 18.25 4 -6.81 Christopher Wilson Chaffey (SS) 2027 23.42 16.61 5 -6.05 Isaac Sesan Kennedy (John F.) (SS) 2028 27.02 20.97 6 -5.62 Victor Hoskins Nap...