MileSplit Staff Feb 07, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 58.99 Brooklyn Brown Valley High School 2029 Iowa State Qualifier - 4A - Waukee NW May 15, 2025 2 1:01.86 Josephine Smith Tornado Track club 2029 2025 USATF Iowa JUNIOR OLYMPIC Track and Field Championships Jun 14, 2025 3 1:02.36 Claire Hayward Eddyville-Blakesburg-Fremont Senior High School 2029 Pleasantville HS Coed May 12, 2025 4 1:05.42 Ella Boll Mississippi Valley TC 2029 MVTC C.W. Riley Invitational Meet Jun 7, 2025 5 1:06.12 Ty'Ariah Parrow IA Elite Track Club 2029 ...