MileSplit Staff Apr 14, 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 400m performers in Iowa during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 49.49 Kamarii Harris Bettendorf 2028 Assumption Invitational Apr 11, 2026 2 49.75 Zane Johnson A-D-M High School 2028 Boys 9/JV Mustang Invitational Mar 31, 2026 3 50.43 Quin Somers Ankeny High School 2028 Boys 9/JV Mustang Invitational Mar 31, 2026 4 50.48 Blake Swisher Linn-Mar 2028 Cedar Rapids Boys Invitational Apr 11, 2026 5 51.33 Holden Hlavacek Mount Vernon 2028 Tiger ...