| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.93 | Cody, Jamal (2015) (Hereford, MD) (US#96) | MD 2A State Meet(MD), 2015-05-23(#1) |
| B-300H | 2 | 38.15 | Miller, Robert (2016) (Baltimore City College, MD) | MD 3A State Meet(MD), 2015-05-23(#1) |
| | | National Elites above. State Elites below | | |
| B-300H | 3 | 38.62 | Beisser, Adam (2015) (Linganore, MD) | Frederick County Championships(MD), 2015-05-06(#1) |
| B-300H | 4 | 38.66 | Anderson, Edward (2015) (Charles Herbert Flowers, MD) | MD 4A State Meet(MD), 2015-05-23(#1) |
| B-300H | 5 | 38.68 | Middlebrooks, Jeremy (2015) (Edgewood, MD) | MD 3A North Regional(MD), 2015-05-16(#1) |
| B-300H | 6 | 38.72 | Williams, Kyle (2015) (Henry E. Lackey, MD) | MD 3A South Regional(MD), 2015-05-16(#1) |
| B-300H | 7 | 39.06 | Daniels, Andrew (2016) (Northwest, MD) | MD 4A West Regional(MD), 2015-05-14(#1) |
| B-300H | 8 | 39.42 | Porter, Adrian (2015) (North Point, MD) | MD 4A East Regional(MD), 2015-05-16(#1) |
| B-300H | 9 | 39.61 | Wolcott, Noah (2015) (Century, MD) | MD 2A State Meet(MD), 2015-05-23(#2) |
| B-300H | 10 | 39.63 | Campbell, Christian (2016) (Walter Johnson, MD) | MD 4A West Regional(MD), 2015-05-14(#2) |
| B-300H | 11 | 39.65 | Bittinger, Brady (2016) (Northern Garrett, MD) | MD 1A State Meet(MD), 2015-05-23(#1) |
| B-300H | 12 | 39.94 | Thomas, Rodney (2017) (North Caroline, MD) | MD 2A State Meet(MD), 2015-05-23(#3) |
| B-300H | 13 | 39.98 | Stone, Noah (2015) (Catoctin, MD) | MD 2A State Meet(MD), 2015-05-23(#4) |
| B-300H | 14 | 40.00 | Coston, Montrae (2015) (Mt. St. Joseph, MD) | MIAA/IAAM Championships(MD), 2015-05-05(#1) |
| B-300H | 15 | 40.06 | Mitchell, Donte (2015) (Reservoir, MD) | MD 3A East Regional(MD), 2015-05-16(#2) |
| B-300H | 15 | 40.06 | Jones, Dorian (2015) (Quince Orchard, MD) | MD 4A State Meet(MD), 2015-05-23(#4) |
| B-300H | 17 | 40.08 | Carey, Austin (2016) (Dulaney, MD) | John Shaner Invitational(PA), 2015-05-01(#1) |
| B-300H | 18 | 40.10 | Bynum, Kurtis (2015) (Clarksburg, MD) | MD 4A West Regional(MD), 2015-05-14(#3) |
| B-300H | 19 | 40.14 | Bonds, Michael (2015) (Watkins Mill, MD) | Resevoir Gator Invitational(MD), 2015-04-25(#2) |
| B-300H | 20 | 40.17 | Marcel, Matthew (2015) (Urbana, MD) | Resevoir Gator Invitational(MD), 2015-04-25(#3) |
| B-300H | 20 | 40.17 | Ike-Amaechi, Enyioha (2015) (Baltimore Poly, MD) | MD 3A East Regional(MD), 2015-05-16(#3) |
| B-300H | 22 | 40.18 | Smith, Kollin (2017) (Frederick Douglass, MD) | MD 2A South Regional(MD), 2015-05-16(#1) |
| B-300H | 23 | 40.19 | Elliott, Jalen (2016) (Westlake, MD) | SMAC Championship(MD), 2015-05-09(#3) |
| B-300H | 24 | 40.24 | Jones, Warren (2015) (Franklin, MD) | Pikesville Track Classic(MD), 2015-04-11(#2) |
| B-300H | 25 | 40.30 | Hill, Marquise (2016) (Digital Harbor, MD) | MD 3A State Meet(MD), 2015-05-23(#5) |
| B-300H | 26 | 40.32 | Pryor, Marcus (2015) (Northwood, MD) | Screaming Eagles Invitational(MD), 2015-03-21(#2) |
| B-300H | 27 | 40.38 | Wright, Shyheim (2016) (Northwest, MD) | Art Madric Hall of Fame Invitational(DE), 2015-04-18(#3) |
| B-300H | 28 | 40.41 | Hogue, Preston (2015) (Mount Hebron, MD) | MD 3A East Regional(MD), 2015-05-16(#4) |
| B-300H | 29 | 40.45 | Klopcic, Joel (2015) (C. Milton Wright, MD) | MD 3A North Regional(MD), 2015-05-16(#2) |
| B-300H | 30 | 40.46 | Dennis, Glenn (2016) (Woodlawn, MD) | MD 3A North Regional(MD), 2015-05-16(#3) |
| B-300H | 31 | 40.48 | George, David (2015) (Oxon Hill, MD) | MD 4A State Meet(MD), 2015-05-23(#5) |
| B-300H | 32 | 40.49 | Davis, Jahmel (2015) (Old Mill, MD) | MD 4A East Regional(MD), 2015-05-16(#2) |
| B-300H | 33 | 40.50 | Thomas, Victor (2015) (Parkville, MD) | MD 3A North Regional(MD), 2015-05-16(#4) |
| B-300H | 34 | 40.52 | Kyle, Victor (2015) (Wheaton, MD) | MD 3A West Regional (MD), 2015-05-14(#2) |
| B-300H | 35 | 40.61 | Beard, Dylan (2016) (Archbishop Spalding, MD) | MIAA/IAAM Championships(MD), 2015-05-05(#2) |
| B-300H | 36 | 40.72 | Ike, Enyioha (2015) (Baltimore Poly, MD) | MD 3A State Meet(MD), 2015-05-23(#6) |
| B-300H | 37 | 40.75 | Gibson, Kion (2015) (Aberdeen, MD) | Chesapeake Divisional Championships(MD), 2015-04-21(#2) |
| B-300H | 38 | 40.81 | Howe, Darius (2015) (Western Tech, MD) | New Town Class of the Titans(MD), 2015-05-02(#1) |
| B-300H | 39 | 40.84 | Starrs, Patrick (2017) (Oakdale, MD) | MD 2A West Regional(MD), 2015-05-16(#2) |
| B-300H | 40 | 40.94 | Jackson, Jalen (2015) (Thomas Stone, MD) | MD 3A State Meet(MD), 2015-05-23(#8) |
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| | | See more performances for B-300H | | |
