MileSplit Staff Apr 09, 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 upperclassman 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 44.38 Effie Morris Boonville High School 2026 Don Dobson Invitational Apr 7, 2026 3 44.48 Isla Alfultis Helias Catholic High School 2027 McCullough-Douglass Invitational Mar 28, 2026 4 44.83 Amelia Ward Francis Howell High School 2026 Fort Zumwalt West Jaguar Invitational Mar 28, 2026 5 45.26 Bria Wright O...