MileSplit Staff Mar 07, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. The Indoor Season is nearing its conclusion, here are the top-ranked Class of 2031 Boys athletes in the 400m across the country. 400 Meter Dash Rank Time Athlete/Team Class Meet / Date 1 50.43 Elijah Nyberg Washington Middle School (MT) 2031 Spokane HS Invitational Jan 23, 2026 2 51.08 Donald Greene III Southern Sprinters Elite Track & Field 2031 Puma New York International Showcase Jan 24, 2026 3 54.41 Munachiso Agbahiwe Sumner Hill Junior High School 2031 Holiday Invitational #2 Dec 13, 2025 4 54.59 Austin Wilson Sprint Athletics 2031 Southeast Showdown Feb 1, 2026 5 54....