MileSplit Staff May 12, 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 2029 Boys 400m performers in Iowa during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 49.07 Mac Svalstad Solon 2029 Denny Gruber Co-Ed Relays Apr 21, 2026 2 50.01 Maddon McIntire Clear Lake 2029 Clear Lake Boys Invitational Apr 14, 2026 3 50.73 Tristan Edens Valley High School 2029 Forwald Apr 16, 2026 4 50.85 Jackson Klith Ogden High School 2029 WCAC HS Coed Conference Meet May 5, 2026 5 51.43 Azayvion Walker Baruth Columbus Catholic High School 2029 Benton Bo...