MileSplit Staff Apr 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. Ranking the top underclassman Girls 400m performers in South Dakota during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 1:00.89 Kenzie Kolousek Wessington Springs High School 2029 DWU HS Indoor Open Mar 31, 2026 2 1:01.61 Jolie Flatten Colman-Egan High School 2029 DWU HS Indoor Open Mar 31, 2026 3 1:03.03 Tori Gerdes Lennox High School 2029 DWU HS Indoor Open Mar 31, 2026 4 1:03.23 Iris Birnbaum Rapid City Stevens High School 2029 West River AA Preview Mar 27, 2026 5 1:03.48 Marley Mosset Spearfish High School ...