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 54.62 Kirsten Cochran Siegel High School 2026 TSSAA State T&F Championship -Div.1 AAA and Unified May 22, 2025 2 54.78 Chyna Harris-Rucker Trial By Fire Youth Track & Field Club 2026 AAU Region 6 Qualifier Jun 25, 2025 3 54.84 Kennedi Woods Collierville High School 2026 TSSAA State T&F Championship -Div.1 AAA and Unified May 22, 2025 4 55.25 Halli Olivo Christ Presbyterian Academy 2026 Nashville Track & Field Championships (City Meet) Apr 14, 2025 5 55.54 Dalencia Kittrell University School of ...