| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 36.10 | Grimes, Norman (2016) (Canyon, TX) (US#1) | Texas Relays(TX), 2015-03-28(#1) |
| B-300H | 2 | 36.63 | Moore, Garrett (2015) (Legacy, TX) (US#6) | TX 5A State Meet(TX), 2015-05-15(#2) |
| B-300H | 3 | 37.25 | Castillo, Vince (2015) (Donna, TX) (US#28) | TX 5A State Meet(TX), 2015-05-15(#3) |
| B-300H | 4 | 37.26 | Sherrard, Fletcher (2015) (Galena Park, TX) (US#29) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#1) |
| B-300H | 5 | 37.31 | Roberson, Medric (2016) (Mansfield Summit, TX) (US#31) | TX 5A Region 2 Arlington(TX), 2015-05-02(#2) |
| B-300H | 6 | 37.40 | Smith, Jeremy (2016) (Marshall, TX) (US#35) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#1) |
| B-300H | 7 | 37.55 | Lattin, Amere (2015) (Marshall, TX) (US#54) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#2) |
| B-300H | 8 | 37.71 | Harris, Chuck (2016) (Timberview, TX) (US#67) | TX 5A Area 13-14 Lancaster(TX), 2015-04-23(#2) |
| B-300H | 9 | 38.06 | Sheffield, Kendall (2015) (Marshall, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#3) |
| B-300H | 9 | 38.06 | Watson, Zach (2015) (Palo Duro, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#1) |
| B-300H | 11 | 38.08 | Smith, Alexander (2015) (Cedar Park, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#2) |
| B-300H | 12 | 38.09 | Alexander, Tyrell (2016) (Lancaster, TX) | TX 5A Area 13-14 Lancaster(TX), 2015-04-23(#3) |
| B-300H | 13 | 38.39 | Jackson, Xavier (2016) (McKinney North, TX) | TX 5A Region 2 Arlington(TX), 2015-05-02(#2) |
| | | National Elites above. State Elites below | | |
| B-300H | 14 | 38.54 | Cruz-Riley, Austin (2016) (Caprock, TX) | TX 5A District 3 Dumas(TX), 2015-04-17(#3) |
| B-300H | 15 | 38.65 | Smith, Alex (2015) (Cedar Park, TX) | Leander Relays(TX), 2015-04-02(#1) |
| B-300H | 16 | 38.82 | Smith, Quinton (2016) (Temple, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#1) |
| B-300H | 16 | 38.82 | Heiss, Ryan (2015) (Aledo, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#2) |
| B-300H | 18 | 38.87 | Cuellar, Billy (2015) (Eastlake, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#3) |
| B-300H | 19 | 38.90 | Sanner, Morgan (2015) (Leander, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#3) |
| B-300H | 19 | 38.90 | Spigner, Zack (2015) (Sulphur Springs, TX) | TX 5A Region 2 Arlington(TX), 2015-05-02(#3) |
| B-300H | 21 | 38.97 | Franklin, Anthony (2015) (Yates, TX) | TX 5A Area 19-20 Houston(TX), 2015-04-23(#1) |
| B-300H | 22 | 39.01 | Herrick, Tyler (2016) (Hutto, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#4) |
| B-300H | 23 | 39.07 | Ley, Camren (2015) (Boerne Champion, TX) | TX 5A District 27 Tivy(TX), 2015-04-16(#1) |
| B-300H | 24 | 39.08 | Thomas, Cameron (2016) (Trimble Technical, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#4) |
| B-300H | 25 | 39.17 | Adedokun, Ayodeji (2015) (Chisholm Trail, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#2) |
| B-300H | 26 | 39.24 | Covington, Kyle (2016) (The Colony, TX) | Flower Mound Invite(TX), 2015-03-21(#1) |
| B-300H | 27 | 39.25 | McCall, Fabian (2016) (Huntsville, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#2) |
| B-300H | 28 | 39.30 | Colbert, Ian (2017) (Heritage, TX) | TAAF Games of Texas(TX), 2015-08-02(#1) |
| B-300H | 29 | 39.33 | Jinning, Justin (2015) (The Colony, TX) | TX 5A Area 9-10 Little Elm(TX), 2015-04-23(#2) |
| B-300H | 30 | 39.45 | Jackson, Levar (2015) (Corsicana, TX) | TX 5A Region 2 Arlington(TX), 2015-05-02(#7) |
| B-300H | 31 | 39.46 | Johnson, Marcus (2015) (Little Elm, TX) | TX 5A Region 2 Arlington(TX), 2015-05-02(#7) |
| B-300H | 32 | 39.47 | Ruiz, Justin (2016) (Gregory-Portland, TX) | TX 5A Area 29-30 Alice(TX), 2015-04-25(#1) |
| B-300H | 33 | 39.65 | Brooks, Bo (Canutillo, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#3) |
| B-300H | 34 | 39.67 | Martinez, Steeven (2015) (Poteet, TX) | TX 5A District 12 Royse City(TX), 2015-04-16(#1) |
| B-300H | 34 | 39.67 | Gumms, Marcus (2016) (Elkins, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#4) |
| B-300H | 36 | 39.78 | Robison, Noah (2015) (Barbers Hill, TX) | CE King Relays(TX), 2015-03-13(#1) |
| B-300H | 37 | 39.79 | Derry, Quintin (2016) (Beaumont Central, TX) | TX 5A District 22 Beaumont(TX), 2015-04-15(#1) |
| B-300H | 38 | 39.84 | Lyles, Alan (2015) (Temple, TX) | TX 5A District 17 Hutto(TX), 2015-04-15(#2) |
| B-300H | 39 | 39.87 | Stephens, Grant (2016) (Willis, TX) | TX 5A District 18 College Station(TX), 2015-04-16(#2) |
| B-300H | 40 | 39.93 | Smith, Stephon (2016) (Elgin, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#4) |
| B-300H | 41 | 39.95 | Wilson Chestney, Robert (2017) (Vandegrift, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#6) |
| B-300H | 42 | 40.00 | Alexander, Triston (2015) (The Colony, TX) | TX 5A Area 9-10 Little Elm(TX), 2015-04-23(#3) |
| B-300H | 43 | 40.02 | Anderson, Aaron (2016) (Cooper, TX) | Weatherford Kangaroo Relays(TX), 2015-02-21(#1) |
| B-300H | 44 | 40.03 | Wallace, Tracin (2017) (South Hills, TX) | TX 5A District 7 Ft Worth(TX), 2015-04-16(#2) |
| B-300H | 45 | 40.06 | Hunter, Howard (2017) (Beaumont Central, TX) | TX 5A District 22 Beaumont(TX), 2015-04-15(#2) |
| B-300H | 46 | 40.07 | Rhone, Jaylen (2016) (Texas, TX) | TX 5A District 15 Pine Tree(TX), 2015-04-16(#2) |
| B-300H | 47 | 40.15 | Bibb, Brennen (2015) (Arlington Heights, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#4) |
| B-300H | 48 | 40.22 | Adedokun, Ayo (2015) (Chisholm Trail, TX) | Burleson Gilbert Relays(TX), 2015-04-02(#2) |
| B-300H | 49 | 40.24 | Hernandez, Chris (2016) (Highlands, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#7) |
| B-300H | 50 | 40.32 | Boyd, Thomas (2015) (John Tyler, TX) | TX 5A District 16 Whitehouse(TX), 2015-04-16(#1) |
| B-300H | 50 | 40.32 | Dunn, Quincy (2015) (Lancaster, TX) | TX 5A District 14 Lancaster(TX), 2015-04-16(#5) |
| B-300H | 50 | 40.32 | McKinney, Josh (2015) (Santa Fe, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#5) |
| B-300H | 53 | 40.36 | Wallace, Devin (2015) (Kingwood Park, TX) | CE King Relays(TX), 2015-03-13(#3) |
| B-300H | 54 | 40.38 | Montgomery, Brock (2015) (Centennial, TX) | TX 5A District 8 Burleson(TX), 2015-04-16(#2) |
| B-300H | 55 | 40.41 | Azuna, Arnold (2016) (Lake Ridge, TX) | TX 5A District 14 Lancaster(TX), 2015-04-16(#5) |
| B-300H | 56 | 40.44 | Franklin, LeRoy (2016) (George Ranch, TX) | TX 5A District 24 Rosenberg(TX), 2015-04-16(#1) |
| B-300H | 57 | 40.46 | Martinez, Johnathan (2015) (Alice, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#8) |
| B-300H | 58 | 40.50 | Garcia, Martin (2015) (Veterans Memorial, TX) | TX 6A District 30 La Joya(TX), 2015-04-11(#3) |
| B-300H | 59 | 40.51 | Holden, Josh (2017) (Liberty, TX) | TX 5A Area 9-10 Little Elm(TX), 2015-04-23(#5) |
| B-300H | 60 | 40.53 | Jallow, Habibou (2015) (Conrad, TX) | TX 5A District 11 Carrollton(TX), 2015-04-15(#1) |
| B-300H | 61 | 40.54 | Fontenot, Kayden (2017) (Greenville, TX) | TX 5A Area 15-16 Pine Tree(TX), 2015-04-23(#4) |
| B-300H | 62 | 40.56 | Sampsell, Eldrick (2016) (West Mesquite, TX) | TX 5A Area 11-12 Dallas(TX), 2015-04-23(#2) |
| B-300H | 63 | 40.57 | Rodriguez, John (2015) (Calallen, TX) | TX 5A District 30 Corpus Christi(TX), 2015-04-16(#2) |
| B-300H | 64 | 40.59 | Ramos, Trey (2016) (Azle, TX) | TX 5A District 5 Ft Worth(TX), 2015-04-15(#2) |
| B-300H | 65 | 40.61 | Jefferis, Preston (2017) (Aledo, TX) | TX 5A Area 7-8 Joshua(TX), 2015-04-23(#4) |
| B-300H | 66 | 40.65 | Meacham, Christopher (2016) (Lubbock, TX) | Lubbock Invitational(TX), 2015-04-04(#5) |
| B-300H | 67 | 40.68 | Montgomery, Blanchard (2018) (McKinney, TX) | TX 5A District 10 Wylie(TX), 2015-04-09(#2) |
| B-300H | 68 | 40.75 | Reinhard, Conrad (2016) (Azle, TX) | TX 5A District 5 Ft Worth(TX), 2015-04-15(#2) |
| B-300H | 69 | 40.76 | Echeverry, Kenny (2015) (Creekview, TX) | TX 5A District 11 Carrollton(TX), 2015-04-15(#2) |
| B-300H | 70 | 40.77 | Sierra, Adam (Eastlake, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#5) |
| B-300H | 71 | 40.91 | Givens, Kelvin (2015) (Forney, TX) | TX 5A Area 11-12 Dallas(TX), 2015-04-23(#3) |
| B-300H | 71 | 40.91 | Mitchell, Damar'ren (2016) (Magnolia West, TX) | TX 5A Area 19-20 Houston(TX), 2015-04-23(#2) |
| B-300H | 73 | 40.92 | Mejia, Adrian (2015) (Horizon, TX) | Socorro ISD Invitational(TX), 2015-03-07(#2) |
| B-300H | 74 | 40.95 | Hantla, Drew (2017) (Magnolia, TX) | TX 5A District 19 Stratford(TX), 2015-04-16(#1) |
| B-300H | 75 | 40.96 | Thompson, Sharif (2016) (Seguin, TX) | TX 5A District 14 Lancaster(TX), 2015-04-16(#6) |
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