MileSplit Staff May 13, 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 underclassman Boys 400m performers in District of Columbia during the 2026 Outdoor Season. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 50.73 Nathan Watters Unattached-DC 2028 Puma East Coast International Showcase May 2, 2026 2 50.88 Kian Ash Gonzaga College High School 2028 43rd Draper Invitational May 1, 2026 3 51.34 Mason Fedele Jackson-Reed High School 2028 McNamara Mustang Invitational Apr 18, 2026 4 51.63 Bobby Marshall St. John's College High School 2028 Under Armour Black & Blue Invitational Apr 16, 2026 5 52.50 Joshua T...