MileSplit Staff May 29, 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' 2.00" Tanner Bretz University High School 2028 5-06.00 11-08.00 2 +4' 6.00" Grant Hansen Niwot High School 2028 10-02.00 14-08.00 2 +4' 6.00" Alex Smith Regis Jesuit 2026 9-06.00 14-00.00 2 +4' 6.00" Ethan Moeding Erie High School 2029 9-00.00 13-06.00 2 +4' 6.00" Conor Sharpe D'Evelyn High School 2027 8-06.00 13-00.00 2 +4' 6.00" ...