MileSplit Staff Apr 10, 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 Missouri Boys Pole Vault marks compared to their season’s best performances from 2025. Most Improved - Pole Vault Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +1.37m Jackson Gamby Francis Howell North High School 2028 2.13m 3.50m 2 +1.02m Drew Johnson Kearney High School 2028 2.43m 3.45m 3 +0.84m Nathan Lee Parkway Central High School 2028 2.50m 3.35m 4 +0.82m Austin Munoz Jackson High School 2028 2.23m 3.05m 5 +0.77m Isaac Bohannan Knob Noster High School 2028 2.43m 3.19m 6 +0.76m Har...