MileSplit Staff Apr 17, 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 Boys 800m marks compared to their season’s best performances from 2025. Most Improved - 800 Meter Run Comparing 2026 season to 2025 season Rank Improved Athlete/Team Class 2025 PR 2026 PR 1 -24.53 David Lethlean Rapid City Central High School 2029 2:45.86 2:21.33 2 -17.28 Jace Bender Leola High School 2028 2:39.39 2:22.11 3 -16.52 Paxton Whitehead Rapid City Stevens High School 2029 2:47.15 2:30.63 4 -16.23 Jonah Vermulm Sioux Falls Christian 2028 2:34.10 2:17.87 5 -15.94 Tyler Schumacher Rapid City Stevens High School 2029 2:29.80 2:13.86 ...