MileSplit Staff Apr 17, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. 100m Hurdles + 300m Hurdles Rank Athlete/Team Class 100m Hurdles 300m Hurdles Combined 1 Isla Alfultis Helias Catholic High School 2027 14.50 43.32 57.82 2 Effie Morris Boonville High School 2026 14.30 43.98 58.28 3 Naila Kerr Cardinal Ritter High School 2027 13.95 44.40 58.35 4 Lily O'brien Liberty High School 2027 15.39 43.55 58.94 5 Amelia Ward Francis Howell High School 2026 14.69 44.83 59.52 6 Bria ...