MileSplit Staff Mar 31, 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 Class of 2029 Girls 400m performers in South Dakota during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 1:03.23 Iris Birnbaum Rapid City Stevens High School 2029 West River AA Preview Mar 27, 2026 2 1:03.48 Marley Mosset Spearfish High School 2029 West River AA Preview Mar 27, 2026 3 1:03.57 Taylor Steever Rapid City Stevens High School 2029 West River AA Preview Mar 27, 2026 4 1:06.87 Paycee Lee Deuel High School 2029 Mt Marty HS Indoor Class B Mar 26, 2026 5 1:07.75 Fallon Dinkins Sturgis Brown ...