MileSplit Staff May 22, 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 South Dakota Girls 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 +2' 6.00" Hannah Forman Rapid City Stevens High School 2026 7-06.00 10-00.00 2 +2' 0.00" Callie Casjens Wall High School 2028 7-03.00 9-03.00 2 +2' 0.00" Alexa Nanninga Freeman High School 2028 4-09.00 6-09.00 4 +1' 7.00" Tenley Bohn Milbank High School 2030 7-00.00 8-07.00 5 +1' 6.00" Callie Peterson Irene-Wakonda High School 2028 7-06.00 9-00.00 ...