| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 48.07 | Hamilton, Justin (2015) (DeMatha Catholic, MD) (US#13) | UK HS Invitational(KY), 2015-02-21(#3) |
| B-400 | 2 | 48.18 | Gomez, Rico (2015) (Frederick Douglass, MD) (US#14) | UK HS Invitational(KY), 2015-02-21(#4) |
| B-400 | 3 | 49.12 | Coleman, Antonio (2015) (Bowie, MD) (US#46) | New Balance Indoor Nationals(NY), 2015-03-15(#16) |
| B-400 | 4 | 50.17 | Pratt, Darnell (2017) (Mount Hebron, MD) | New Balance Indoor Nationals - Emerging Elites(NY), 2015-03-14(#10) |
| B-400 | 5 | 50.23 | Akil, Isaiah (2015) (Riverdale Baptist, MD) | Kevin Dare HS Invitational(PA), 2015-01-24(#1) |
| B-400 | 6 | 50.28 | Robinson, Aaron (2017) (Oxon Hill, MD) | New Balance Indoor Nationals - Emerging Elites(NY), 2015-03-14(#12) |
| | | National Elites above. State Elites below | | |
| B-400 | 7 | 50.45 | Murray, Camari (2016) (Bishop Mcnamara, MD) | New Balance Indoor Nationals - Emerging Elites(NY), 2015-03-14(#17) |
| B-400 | 7 | 50.45 | Burgess, Cameron (2016) (Charles Herbert Flowers, MD) | New Balance Indoor Nationals - Emerging Elites(NY), 2015-03-14(#18) |
| B-400 | 9 | 50.60 | Makell, Gary (2015) (Henry A Wise, MD) | USATF National Youth Indoor Championships(MD), 2015-03-15(#1) |
| B-400 | 10 | 50.85 | Allen, Eric (2018) (Bullis, MD) | New Balance Indoor Nationals - Freshman(NY), 2015-03-15(#2) |
| B-400 | 11 | 50.90 | Boone, Taivion (2016) (Bishop Mcnamara, MD) | Kevin Dare HS Invitational(PA), 2015-01-24(#4) |
| B-400 | 12 | 51.57 | Chigbue, Kenneth (2015) (DeMatha Catholic, MD) | UK HS Invitational(KY), 2015-02-21(#22) |
| B-400 | 13 | 51.62 | Riggins, Matt (2015) (C. Milton Wright, MD) | Kutztown U HS Invitational(PA), 2015-01-17(#2) |
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| | | See more performances for B-400 | | |
