MileSplit Staff Apr 03, 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 +1.22m Jackson Gamby Francis Howell North High School 2028 2.13m 3.35m 2 +1.02m Drew Johnson Kearney High School 2028 2.43m 3.45m 3 +0.82m Austin Munoz Jackson High School 2028 2.23m 3.05m 4 +0.77m Isaac Bohannan Knob Noster High School 2028 2.43m 3.19m 5 +0.76m Brayden Hennegin Liberty North High School 2028 2.90m 3.66m 6 +0.62m ...