MileSplit Staff May 01, 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 Colorado 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 +6' 1.00" Griffin Howie Longmont High School 2028 8-06.00 14-07.00 2 +5' 0.00" Tanner Bretz University High School 2028 5-06.00 10-06.00 3 +4' 1.00" Conor Sharpe D'Evelyn High School 2027 8-06.00 12-07.00 4 +3' 11.00" Grant Hansen Niwot High School 2028 10-02.00 14-01.00 5 +3' 8.00" Alex Smith Regis Jesuit 2026 9-06.00 13-02.00 6 +3' 3.00" ...