MileSplit Staff May 19, 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 2028 Boys 300m Hurdles performers in Maryland during the 2026 Outdoor Season. 300 Meter Hurdles Rank Time Athlete/Team Class Meet / Date 1 39.83 Demitrius Jackson Mount St. Joseph School 2028 2026 IAAM/MIAA Outdoor Track & Field Championships May 6, 2026 2 40.06 Xavier Devaughn Mergenthaler Vocational-Technical High School 2028 Baltimore City Fresh/Soph Showcase Apr 21, 2026 3 40.32 Corey Adamolekun Digital Harbor High School 2028 Baltimore City Fresh/Soph Showcase Apr 21, 2026 4 40.42 Collin Blain Severna Park High School 2028 MPSSAA 4A & 3A East Region Championships May 11, ...