MileSplit Staff Apr 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. Ranking the top Class of 2027 Girls 300m Hurdles performers in Missouri during the 2026 Outdoor Season. 300 Meter Hurdles Rank Time Athlete/Team Class Meet / Date 1 43.55 Lily O'brien Liberty High School 2027 Darwin Rold Invitational Mar 20, 2026 2 44.48 Isla Alfultis Helias Catholic High School 2027 McCullough-Douglass Invitational Mar 28, 2026 3 46.72 Carly Anne Cossou Chaffee High School 2027 Chaffee HS Open Mar 24, 2026 4 47.50 Sydney Lanton John Burroughs High School 2027 Skippy Keefer Relays Mar 28, 2026 5 47.81 Adyson Dailing Houston High Scho...