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 South Dakota Girls Triple Jump marks compared to their season’s best performances from 2025. Most Improved - Triple Jump Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 +5' 6.50" Abigail Lee Britton - Hecla 2026 29-05.75 35-00.25 2 +5' 2.25" Adelynn Timmermans Lennox High School 2026 26-08.75 31-11.00 3 +3' 4.25" Ella Ruter Centerville High School 2027 31-00.25 34-04.50 4 +3' 4.00" Adeylnn Schable Beresford High School 2030 29-08.00 33-00.00 5 +3' 3.00" Quinn Brinkman Yankton High School 2027 33-05.50 36-08.50 ...