| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 45.19 | Norman, Michael (2016) (Vista Murrieta, CA) | CA State Finals(CA), 2015-06-06(#1) |
| B-400 | 2 | 45.46 | Lyles, Josephus (2016) (T.C. Williams, VA) | IAAF World Youth Championships(IT), 2015-07-19(#2) |
| B-400 | 3 | 45.75 | Reed, Keshun (2016) (Martin, TX) | TX 6A State Meet(TX), 2015-05-16(#1) |
| B-400 | 4 | 45.96 | London, Wil (2015) (Waco, TX) | TX Meet of Champions(TX), 2015-05-23(#1) |
| B-400 | 5 | 45.99 | Walton, Jamal (2018) (Everglades, FL) | IAAF World Youth Championships(IT), 2015-07-19(#4) |
| B-400 | 6 | 46.19 | Benjamin, Rai (2015) (Mount Vernon, NY) | CARIFTA Games(IT), 2015-04-04(#2) |
| B-400 | 7 | 46.22 | Igbokwe, Obi (2015) (The Woodlands, TX) | TX 6A Region 2 Baylor(TX), 2015-05-02(#1) |
| B-400 | 8 | 46.24 | Montgomery, Kahmari (2015) (Plainfield Central, IL) | IL 3A Boys State Finals(IL), 2015-05-30(#1) |
| B-400 | 9 | 46.38 | Allen, Will (2016) (Paul Laurence Dunbar, KY) | NB Outdoor Nationals(NC), 2015-06-21(#2) |
| B-400 | 10 | 46.40 | Brown, Izaiah (2015) (Amsterdam, NY) | NY State Championships(NY), 2015-06-13(#1) |
| B-400 | 11 | 46.42 | Age, Eric (2015) (Lancaster, TX) | TX 5A District 14 Lancaster(TX), 2015-04-16(#1) |
| B-400 | 12 | 46.44 | Cooper, Tyrese (2019) (Unattached, FL) | NB Outdoor Nationals(NC), 2015-06-21(#3) |
| B-400 | 13 | 46.60 | Cogdell, Ari (2015) (American, FL) | FL 4A Region 4(FL), 2015-04-21(#1) |
| B-400 | 14 | 46.66 | Schwartz, Rhayko (2015) (Boyd, TX) | TX 6A State Meet(TX), 2015-05-16(#3) |
| B-400 | 15 | 46.68 | Poole, Quintaveon (2015) (Washington County, GA) | US Junior Nationals(OR), 2015-06-27(#3) |
| B-400 | 15 | 46.68 | Ogwo, Emmanuel (2015) (Horn, TX) | TX 6A State Meet(TX), 2015-05-16(#4) |
| B-400 | 17 | 46.72 | Jaye, Ty (2015) (Piedmont, NC) | NC 3A State Meet(NC), 2015-05-08(#1) |
| B-400 | 18 | 46.76 | Cachon, Brandon (2016) (Barron Collier, FL) | NB Outdoor Nationals(NC), 2015-06-21(#5) |
| B-400 | 19 | 46.77 | Allen, William (2016) (Bryan Station, KY) | US Junior Nationals(OR), 2015-06-27(#4) |
| B-400 | 20 | 46.78 | Gray, Nick (2015) (Pickerington North, OH) | OH D1 Region 3(OH), 2015-05-29(#1) |
| B-400 | 21 | 46.80 | Huggins, Nathanaiel (2016) (Opelika, AL) | NB Outdoor Nationals(NC), 2015-06-21(#6) |
| B-400 | 21 | 46.80 | Johnson, Tyler (2016) (Stivers For The Arts, OH) | USATF Youth National Championships 17-18(IL), 2015-07-05(#1) |
| B-400 | 23 | 46.90 | Smith, Jamari (2015) (Dr. Phillips, FL) | FL 4A State Meet(FL), 2015-05-02(#2) |
| B-400 | 24 | 46.93 | Marshall, Myles (2015) (Kingwood, TX) | TX 6A State Meet(TX), 2015-05-16(#5) |
| B-400 | 25 | 46.97 | Campbell, Gregory (2015) (Chaminade, CA) | CA State Finals(CA), 2015-06-06(#2) |
| B-400 | 26 | 46.98 | Hall, Quincy (2016) (Raytown South, MO) | MO Class 4 State Meet(MO), 2015-05-30(#1) |
| B-400 | 27 | 47.00 | Fields, Howard (2017) (Manvel, TX) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#2) |
| B-400 | 28 | 47.01 | Ogden, Caleb (2016) (Oak Creek, WI) | USATF Youth National Championships 17-18(IL), 2015-07-05(#2) |
| B-400 | 29 | 47.03 | Mack, Ian (2015) (Green Valley, NV) | NV D1 State Meet(NV), 2015-05-16(#1) |
| B-400 | 29 | 47.03 | Rose, Richard (2015) (Boys and Girls, NY) | NY State Championships(NY), 2015-06-13(#2) |
| B-400 | 31 | 47.04 | Conwell, Terry (2017) (Southwest Dekalb, GA) | AAU National Club Championships(FL), 2015-07-18(#1) |
| B-400 | 32 | 47.09 | Prowell, Stoney (2015) (John Marshall, IN) | IN Boys State Meet(IN), 2015-06-05(#1) |
| B-400 | 33 | 47.13 | Oliver, Isaiah (2015) (Brophy Prep, AZ) | AMDG Invitational(AZ), 2015-03-13(#1) |
| B-400 | 34 | 47.17 | Champlin, Ryan (2016) (Grace Prep, TX) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#1) |
| B-400 | 35 | 47.19 | Shinnick, Zachary (2017) (Damien, CA) | CA State Finals(CA), 2015-06-06(#3) |
| B-400 | 36 | 47.21 | Harris, Mar'Yea (2015) (Wilson, CA) | CIF-SS Masters Meet(CA), 2015-05-29(#2) |
| B-400 | 37 | 47.25 | Reid, Corey (2015) (Carson, NV) | NV D1 State Meet(NV), 2015-05-16(#2) |
| B-400 | 38 | 47.26 | Alexandre, Oliver (2015) (Hallandale, FL) | Great Southwest Classic(NM), 2015-06-06(#2) |
| B-400 | 39 | 47.29 | Ross, Connor (2015) (Mcqueen, NV) | Northern Nevada D1 Regionals(NV), 2015-05-09(#2) |
| B-400 | 40 | 47.30 | Tatham, Rasheed (2015) (St. Thomas Aquinas, FL) | Golden South Classic(FL), 2015-05-23(#3) |
| B-400 | 40 | 47.30 | Warner, Gabe (2015) (Woodbridge, CA) | CA State Finals(CA), 2015-06-06(#4) |
| B-400 | 40 | 47.30 | Pringle, Myles (2015) (Northwest, OH) | OH D1 State Meet(OH), 2015-06-06(#2) |
| B-400 | 43 | 47.31 | Ojennes, Caleb (2016) (Palmer Ridge, CO) | CO 4A State Meet(CO), 2015-05-16(#1) |
| B-400 | 44 | 47.34 | Cooper, Breshawrd (2015) (Cedar Shoals, GA) | GA 5A Boys State Meet(GA), 2015-05-16(#1) |
| B-400 | 45 | 47.40 | Andrews, Jostyn (2016) (Skyline, TX) | TX 6A Area 9-10 Mesquite(TX), 2015-04-25(#2) |
| B-400 | 46 | 47.45 | Davis, Roosevelt (2016) (East St. Louis-Senior, IL) | Great Southwest Classic(NM), 2015-06-06(#3) |
| B-400 | 47 | 47.47 | Ellis, Myles (2017) (Antelope, CA) | CIF-SJS Masters Finals(CA), 2015-05-29(#1) |
| B-400 | 48 | 47.49 | Warren, Lincoln (2015) (Horn, TX) | TX 6A Area 9-10 Mesquite(TX), 2015-04-25(#3) |
| B-400 | 49 | 47.50 | Lyles, Noah (2016) (T.C. Williams, VA) | Grizzly Twilight Invitational(VA), 2015-04-18(#1) |
| B-400 | 50 | 47.51 | Smith, Domnic (2016) (Creekside, FL) | USATF World Youth Trials(IL), 2015-07-01(#4) |
| B-400 | 51 | 47.53 | Clark, Ryan (2015) (Banneker, GA) | Fulton County Championships(GA), 2015-03-30(#1) |
| B-400 | 51 | 47.53 | Hertz, Cory (2015) (Lakes, IL) | IL 3A Boys State Finals(IL), 2015-05-30(#2) |
| B-400 | 53 | 47.54 | Schmidt, Brennan (2015) (Freeman, SD) | SD Class B Championships(SD), 2015-05-30(#1) |
| B-400 | 54 | 47.57 | McStravick, Christian (2016) (Strake Jesuit, TX) | TX 6A Region 3 Houston(TX), 2015-05-02(#2) |
| B-400 | 55 | 47.60 | Ross, Tavian (2016) (Tucson Magnet, AZ) | Great Southwest Classic(NM), 2015-06-06(#5) |
| B-400 | 56 | 47.61 | Allison, Champion (2017) (George Ranch, TX) | AAU JO Region 17 Qualifier(TX), 2015-07-04(#1) |
| B-400 | 56 | 47.61 | Williams, Shammond (2016) (American, FL) | FL 4A State Meet(FL), 2015-05-02(#3) |
| B-400 | 58 | 47.62 | Jewett, Isaiah (2015) (Cathedral, CA) | CIF-SS Finals(CA), 2015-05-23(#2) |
| B-400 | 58 | 47.62 | Wallace, Brenden (2015) (Allen, TX) | USATF JO Southwest Assn(TX), 2015-06-20(#2) |
| B-400 | 60 | 47.63 | Ashby, Nick (2015) (Orem, UT) | Great Southwest Classic(NM), 2015-06-06(#6) |
| B-400 | 60 | 47.63 | McLaughlin, Taylor (2015) (Union Catholic, NJ) | NJ Non-Public A Championships(NJ), 2015-05-30(#1) |
| B-400 | 62 | 47.64 | Roach, Markevious (2015) (Blanche Ely, FL) | BCAA Championships(FL), 2015-03-21(#2) |
| B-400 | 62 | 47.64 | Kimball, Craig (2016) (San Dieguito Academy, CA) | CA State Prelims(CA), 2015-06-05(#2) |
| B-400 | 64 | 47.67 | Wilson, Quincey (2016) (Arabia Mountain, GA) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#5) |
| B-400 | 65 | 47.68 | Daniels, Deandre (2015) (Goose Creek, SC) | Taco Bell Classic(SC), 2015-04-11(#1) |
| B-400 | 65 | 47.68 | Repp, Caleb (2015) (Los Osos, CA) | Baseline League Finals(CA), 2015-05-08(#2) |
| B-400 | 65 | 47.68 | Beloney, Marcus (2015) (Sheldon, CA) | CIF-SJS Masters Finals(CA), 2015-05-29(#2) |
| B-400 | 68 | 47.70 | Pratt, Darnell (2017) (Mount Hebron, MD) | NB Outdoor Nationals(NC), 2015-06-21(#7) |
| B-400 | 68 | 47.70 | Heiner, Chase (2015) (Provo, UT) | UT 4A State Meet(UT), 2015-05-16(#1) |
| B-400 | 70 | 47.73 | Wells, Octavian (2016) (Grant Community, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#5) |
| B-400 | 70 | 47.73 | Brown, Terry (2015) (Round Rock, TX) | TX 6A Region 2 Baylor(TX), 2015-05-02(#6) |
| B-400 | 72 | 47.74 | Willis, Maxwell (2016) (Archbishop Carroll, DC) | MD 4A South Regional(MD), 2015-05-16(#1) |
| B-400 | 72 | 47.74 | Waters, Ben (2016) (Valor Christian, CO) | CO 4A State Meet(CO), 2015-05-16(#2) |
| B-400 | 74 | 47.76 | Harper, Jacob (2016) (Klein Oak, TX) | TX 6A District 15 Klein(TX), 2015-04-09(#1) |
| B-400 | 74 | 47.76 | Cargile, Quentin (2015) (Timber Creek, TX) | TX 6A Region 1 Arlington(TX), 2015-05-02(#3) |
| B-400 | 74 | 47.76 | Hofacker, Collin (2015) (Freedom, WI) | WI D2 State Meet(WI), 2015-06-06(#1) |
| B-400 | 77 | 47.77 | Grate, Malik (2016) (Pendleton, SC) | SC 2A State Meet(SC), 2015-05-16(#1) |
| B-400 | 78 | 47.79 | Hardin, Kiante (2015) (Webb City, MO) | MO Class 4 District 6(MO), 2015-05-16(#1) |
| B-400 | 79 | 47.80 | Sawyer, Jonathon (2015) (Manor, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#2) |
| B-400 | 79 | 47.80 | Crandon, Anthony (2015) (Northeast, FL) | FL 3A State Meet(FL), 2015-05-02(#2) |
| B-400 | 79 | 47.80 | Linton, Steven (2016) (St. John's, MI) | MI Regional 16-2 @ Linden(MI), 2015-05-16(#2) |
| B-400 | 79 | 47.80 | Birk, Jamarkus (2017) (North Crowley, TX) | TAAF Games of Texas(TX), 2015-08-02(#3) |
| B-400 | 83 | 47.81 | Espinosa, Zac (2015) (Neuqua Valley, IL) | Red Ribbon Classic(IL), 2015-05-02(#1) |
| B-400 | 84 | 47.82 | Wellenstein, Jack (2015) (Madison West, WI) | WI D1 State Meet(WI), 2015-06-06(#1) |
| B-400 | 84 | 47.82 | Long, Justin (2018) (Parkview, GA) | GA 6A Boys State Meet(GA), 2015-05-16(#1) |
| B-400 | 84 | 47.82 | Bednarek, Kenny (2018) (Rice Lake, WI) | USATF JO Region 8 Qualifier(IA), 2015-07-12(#1) |
| B-400 | 87 | 47.83 | Salcido, Carlos (2015) (Rock Springs, WY) | UVU HS Invitational(UT), 2015-03-28(#1) |
| B-400 | 87 | 47.83 | love-soles, kaylan (2015) (Rocky River, NC) | NC 4A West Region(NC), 2015-05-02(#1) |
| B-400 | 89 | 47.84 | Gomez, Rico (2015) (Frederick Douglass, MD) | MD 2A South Regional(MD), 2015-05-16(#1) |
| B-400 | 89 | 47.84 | Westlund, Isaac (2015) (Archbishop Murphy, WA) | WA 2A State Meet(WA), 2015-05-30(#1) |
| B-400 | 91 | 47.85 | Schaap, Abram (2017) (Volcano Vista, NM) | Great Southwest Classic(NM), 2015-06-06(#7) |
| B-400 | 92 | 47.87 | Bowden, Skyler (2015) (Saline, MI) | MI LP D1 State Meet(MI), 2015-05-30(#1) |
| B-400 | 93 | 47.88 | Smith Jr, Dominic (2016) (Creekside, FL) | FL 3A State Meet(FL), 2015-05-02(#3) |
| B-400 | 93 | 47.88 | Johnson, Tyler (2015) (Miami Southridge, FL) | FL 4A Region 4(FL), 2015-04-21(#1) |
| B-400 | 95 | 47.89 | Smith, Montray (2016) (Miami Carol City, FL) | FL 3A State Meet(FL), 2015-05-02(#4) |
| B-400 | 95 | 47.89 | Gillispie, Kaizer (2015) (South Medford, OR) | OR 6A State Meet(OR), 2015-05-23(#1) |
| B-400 | 97 | 47.90 | Sales, Brian (2015) (Merrillville, IN) | IN Valparaiso Boys Regional(IN), 2015-05-28(#1) |
| B-400 | 98 | 47.91 | Womack, Jonathon (Whitewater, GA) | GA 4A Boys State Meet(GA), 2015-05-16(#2) |
| B-400 | 98 | 47.91 | Stokes, Eric (Eastside, GA) | GA 4A Boys State Meet(GA), 2015-05-16(#1) |
| B-400 | 100 | 47.92 | Liburd, James (2015) (Madison, TX) | TX 6A State Meet(TX), 2015-05-16(#7) |
| B-400 | 100 | 47.92 | Lewis, John (2015) (Cheltenham, PA) | SOL American Conference Championship(PA), 2015-05-09(#1) |
| B-400 | 100 | 47.92 | Maity, Amit (2015) (Mason, OH) | OH D1 State Meet(OH), 2015-06-06(#3) |
| B-400 | 100 | 47.92 | Ehiemua, Shamon (2017) (Marshall, TX) | Track Houston Championship(TX), 2015-05-30(#1) |
| B-400 | 104 | 47.93 | Harris, Kaylan (2015) (Oak Ridge, TX) | AAU JO Region 17 Qualifier(TX), 2015-07-04(#2) |
| B-400 | 104 | 47.93 | Ware, Mike (2015) (Gateway, CO) | CO 5A State Meet(CO), 2015-05-16(#1) |
| B-400 | 104 | 47.93 | Grimes, Norman (2016) (Canyon, TX) | Great Southwest Classic(NM), 2015-06-06(#9) |
| B-400 | 107 | 47.96 | Brazier, Donavan (2015) (Kenowa Hills, MI) | OK Black Conference Meet(MI), 2015-05-07(#1) |
| B-400 | 107 | 47.96 | Perez, Alex (2016) (South Hills, CA) | CIF-SS Finals(CA), 2015-05-23(#4) |
| B-400 | 107 | 47.96 | Dula, Kymani (2016) (Southern Alamance, NC) | NB Outdoor Nationals - Emerging Elites(NC), 2015-06-21(#1) |
| B-400 | 110 | 47.97 | Brooks, Justin (2015) (Athens Christian, GA) | Championship Primer(GA), 2015-04-07(#1) |
| B-400 | 110 | 47.97 | Preston, Jamarice (2015) (Lake Highlands, TX) | TX 6A District 10 Mesquite(TX), 2015-04-15(#2) |
| B-400 | 110 | 47.97 | McClurkin, Duane (2015) (Fountain-Fort Carson, CO) | Colorado Springs Metro League Championships(CO), 2015-05-07(#1) |
| B-400 | 110 | 47.97 | Jones, Tahrike (2015) (Lutcher, LA) | LA 4A State Meet(LA), 2015-05-09(#1) |
| B-400 | 114 | 47.98 | Lubrin, Christian (2016) (Wilson, CA) | Reedley Invitational(CA), 2015-05-01(#1) |
| B-400 | 114 | 47.98 | Owens, Jake (2015) (Noblesville, IN) | USATF Youth National Championships 17-18(IL), 2015-07-05(#3) |
| B-400 | 116 | 47.99 | Thompson, Chris (2016) (Lemont, IL) | USATF Youth National Championships 17-18(IL), 2015-07-05(#4) |
| B-400 | 117 | 48.00 | Mitchell, D'Undre (2015) (Harker Heights, TX) | Track Houston Championship(TX), 2015-05-30(#2) |
| B-400 | 118 | 48.01 | Trevino, Isaac (2015) (Centennial -CE, CA) | Liberty Patriot Games(CA), 2015-04-24(#1) |
| B-400 | 118 | 48.01 | Mosby, Corrieon (2015) (Natchitoches Central, LA) | LA 5A State Meet(LA), 2015-05-09(#1) |
| B-400 | 118 | 48.01 | Pierre, Evander (2015) (Hudson Catholic, NJ) | NJ Non-Public B Championships(NJ), 2015-05-30(#1) |
| B-400 | 121 | 48.02 | Pride, Troy (2016) (Riverside, SC) | SC 3A State Meet(SC), 2015-05-16(#1) |
| B-400 | 121 | 48.02 | Bell, Duran (2017) (Hillsborough, FL) | FL 3A State Meet(FL), 2015-05-02(#5) |
| B-400 | 121 | 48.02 | Smith Jr, Dominic M (2016) (Creekside, FL) | Golden South Classic(FL), 2015-05-23(#5) |
| B-400 | 121 | 48.02 | Mccray, Demontez (2015) (O'Fallon, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#6) |
| B-400 | 121 | 48.02 | Hood, Montel (2016) (Wayne Memorial, MI) | AAU JO Region 12 Qualifier(MI), 2015-07-05(#1) |
| B-400 | 126 | 48.03 | Gonzalez, Brian (2016) (Bel Air, TX) | Willie Williams Classic(AZ), 2015-03-21(#1) |
| B-400 | 126 | 48.03 | Sherman, J.J. (2015) (Waccamaw, SC) | SC 2A State Meet(SC), 2015-05-16(#2) |
| B-400 | 128 | 48.04 | Briscoe, Jandon (2017) (Jesuit, LA) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#2) |
| B-400 | 128 | 48.04 | Klamm, Carl (2015) (Evanston Township, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#3) |
| B-400 | 130 | 48.05 | Matute, Yariel (2015) (Juarez-Lincoln, TX) | TX 6A State Meet(TX), 2015-05-16(#8) |
| B-400 | 131 | 48.06 | Jefferson, Desmond (2015) (Shoemaker, TX) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#3) |
| B-400 | 131 | 48.06 | Herron, Brian (04) (Unattached, GA) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#3) |
| B-400 | 133 | 48.07 | Patterson, Isaiah (2015) (Moody, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#1) |
| B-400 | 133 | 48.07 | Orange, Carlton (2015) (Memphis University, TN) | TN Div 2 Championships(TN), 2015-05-22(#1) |
| B-400 | 133 | 48.07 | Leverette, Jordan (2015) (John Adams, OH) | OH D1 State Meet(OH), 2015-06-06(#2) |
| B-400 | 136 | 48.08 | Garcia, Wilber (2015) (St. John's College, DC) | McNamara Mustang Invitational(MD), 2015-04-18(#1) |
| B-400 | 136 | 48.08 | Wallace, Jevon (2017) (Harker Heights, TX) | AAU JO Region 19 Qualifier(TX), 2015-07-01(#1) |
| B-400 | 136 | 48.08 | Hampton, Jeramey (2015) (North Gwinnett, GA) | GA 6A Boys State Meet(GA), 2015-05-16(#2) |
| B-400 | 139 | 48.10 | Niederhaus, Ross (2015) (St. Francis, CA) | Mission League Prelims/Finals(CA), 2015-05-07(#2) |
| B-400 | 140 | 48.11 | Murphy, Drake (2015) (Ball, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#3) |
| B-400 | 141 | 48.12 | Powell, Qwashon (2015) (John F. Kennedy, NJ) | NJ North 1 Group 4(NJ), 2015-05-23(#1) |
| B-400 | 141 | 48.12 | Webb, Jonathan (2015) (Minnehaha Acad, MN) | MN 1A State Meet(MN), 2015-06-06(#1) |
| B-400 | 143 | 48.13 | Sawyers, Chantz (99) (Greensboro Day, NC) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#3) |
| B-400 | 144 | 48.14 | Norman, Javonte (2015) (St. Mary's, CA) | Sacramento Meet of Champions(CA), 2015-05-02(#2) |
| B-400 | 144 | 48.14 | Gill, Nick (2016) (Vanden, CA) | CA State Prelims(CA), 2015-06-05(#8) |
| B-400 | 146 | 48.15 | Lucas, Paul (2015) (Mountain Pointe, AZ) | AMDG Invitational(AZ), 2015-03-13(#2) |
| B-400 | 146 | 48.15 | Lawson, Alex (2015) (McArthur, FL) | FL 4A State Meet(FL), 2015-05-02(#4) |
| B-400 | 146 | 48.15 | Thompson, Wyatt (2015) (Mount Horeb, WI) | WI D2 State Meet(WI), 2015-06-06(#3) |
| B-400 | 149 | 48.16 | Richter, Jacob (2015) (Century, ND) | Howard Wood Dakota Relays(SD), 2015-05-02(#1) |
| B-400 | 149 | 48.16 | Dean, Javaonte (2015) (South Dade, FL) | FL 4A Region 4(FL), 2015-04-21(#3) |
| B-400 | 149 | 48.16 | Smith, Thaddeus (2015) (Damien, CA) | San Gabriel Valley Championships(CA), 2015-04-25(#1) |
| B-400 | 149 | 48.16 | Nowak, Jake (2015) (Vandegrift, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#2) |
| B-400 | 153 | 48.17 | Hollis, Kyren (2015) (Olympia, FL) | Bob Hayes Classic(FL), 2015-03-21(#1) |
| B-400 | 153 | 48.17 | Burnett, Vanzel (2016) (Nova, FL) | FL 4A Region 4(FL), 2015-04-21(#5) |
| B-400 | 155 | 48.18 | Lietz, Austin (2016) (Notre Dame, CA) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#7) |
| B-400 | 156 | 48.19 | Pouncey, Eric (2015) (Westfield, TX) | TX 6A Region 2 Baylor(TX), 2015-05-02(#7) |
| B-400 | 156 | 48.19 | Williams, Maj (2017) (Horizon, AZ) | AZ D1 State Meet(AZ), 2015-05-09(#2) |
| B-400 | 158 | 48.20 | Green, Phillip (2015) (Richardson, TX) | TX 6A Area 9-10 Mesquite(TX), 2015-04-25(#5) |
| B-400 | 158 | 48.20 | Griffith, Tristan (2015) (Camarillo, CA) | Arcadia Invitational(CA), 2015-04-11(#1) |
| B-400 | 158 | 48.20 | Washington, Zakee (2016) (Palo Verde, NV) | AAU National Club Championships(FL), 2015-07-18(#2) |
| B-400 | 158 | 48.20 | Hamilton, Dylan (2015) (Mceachern, GA) | GA 6A Sectional A(GA), 2015-05-02(#1) |
| B-400 | 158 | 48.20 | Johnson, Dom (2015) (Pewaukee, WI) | WI D1 State Meet(WI), 2015-06-06(#3) |
| | | National Elites above. State Elites below | | |
| B-400 | 163 | 48.21 | Mcclain, Hilton (2016) (Royal Palm Beach, FL) | FL 4A Region 3(FL), 2015-04-22(#1) |
| B-400 | 163 | 48.21 | Freeman, Darius (Cedar Grove, GA) | GA 3A Boys State Meet(GA), 2015-05-16(#1) |
| B-400 | 165 | 48.22 | Hall, Joshua (2015) (Hoover, AL) | AL 7A State Meet(AL), 2015-05-02(#1) |
| B-400 | 166 | 48.23 | Powers, Ryan (2017) (Bay Port, WI) | WI D1 State Meet(WI), 2015-06-06(#4) |
| B-400 | 166 | 48.23 | Rhoads, Michael (2016) (Inglemoor, WA) | Shoreline Invitational(WA), 2015-05-02(#1) |
| B-400 | 166 | 48.23 | Jacob, Saint (2015) (West Milford, NJ) | NJ Meet of Champions(NJ), 2015-06-03(#1) |
| B-400 | 169 | 48.24 | Middleton, Kadeem (2015) (Nansemond River, VA) | Grizzly Twilight Invitational(VA), 2015-04-18(#2) |
| B-400 | 170 | 48.25 | Carty, Andrew (2015) (Los Alamitos, CA) | Arcadia Invitational(CA), 2015-04-11(#3) |
| B-400 | 170 | 48.25 | Coleman, Antonio (2015) (Bowie, MD) | McNamara Mustang Invitational(MD), 2015-04-18(#2) |
| B-400 | 170 | 48.25 | Miawad, Hazem (2015) (Old Bridge, NJ) | Greater Middlesex County Championships(NJ), 2015-05-16(#1) |
| B-400 | 170 | 48.25 | Chigbue, Kenneth (2015) (DeMatha Catholic, MD) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#3) |
| B-400 | 174 | 48.26 | Norton, Leron (2015) (Eastview, MN) | MN 2A State Meet(MN), 2015-06-06(#1) |
| B-400 | 174 | 48.26 | Walton, Aspyn (2015) (Woodcreek, CA) | CIF-SJS Division I Finals(CA), 2015-05-22(#1) |
| B-400 | 176 | 48.27 | Clark, O'Shae (2017) (Cypress Springs, TX) | TX 6A District 17 Cypress(TX), 2015-04-15(#1) |
| B-400 | 176 | 48.27 | Goodwin, Taysean (2015) (Blue Springs, MO) | MO Class 5 Sectional 3(MO), 2015-05-23(#1) |
| B-400 | 176 | 48.27 | Strange, Steven (2016) (Oswego, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#2) |
| B-400 | 176 | 48.27 | Resong, Paul (2015) (Servite, CA) | CIF-SS Finals(CA), 2015-05-23(#5) |
| B-400 | 180 | 48.28 | Thornton, Tyquan (2018) (Booker T. Washington, FL) | FL 2A Region 4(FL), 2015-04-22(#2) |
| B-400 | 180 | 48.28 | Croson, Ryan (2015) (Bothell, WA) | Shoreline Invitational(WA), 2015-05-02(#2) |
| B-400 | 182 | 48.29 | Wilcox, Chris (2016) (Eleanor Roosevelt, CA) | UCLA Legends Invitational(CA), 2015-04-04(#3) |
| B-400 | 182 | 48.29 | Higgins, Tyler (2017) (Highland, IL) | IL 2A Boys State Finals(IL), 2015-05-30(#1) |
| B-400 | 182 | 48.29 | Johnson, Bobby (2017) (Banneker, GA) | GA 5A Boys State Meet(GA), 2015-05-16(#3) |
| B-400 | 182 | 48.29 | Lawrence, Wayne (2017) (Meadowdale, OH) | OH D2 State Meet(OH), 2015-06-06(#2) |
| B-400 | 182 | 48.29 | Ross, Tavian (16) (Unattached, AZ) | USATF JO Region 10 Qualifier(TX), 2015-07-12(#1) |
| B-400 | 187 | 48.30 | Stafford, Rico (2016) (Lima, OH) | OH D1 Region 2(OH), 2015-05-29(#1) |
| B-400 | 187 | 48.30 | Miller, Brock (2017) (Lakewood, CO) | CO 5A State Meet(CO), 2015-05-16(#3) |
| B-400 | 187 | 48.30 | Zupko, Mike (2016) (Christian Brothers Academy, NJ) | NJ Meet of Champions(NJ), 2015-06-03(#2) |
| B-400 | 187 | 48.30 | Rogers, Calvary (2015) (Greece Odyssey, NY) | NY State Championships(NY), 2015-06-13(#3) |
| B-400 | 191 | 48.31 | Hayes, Benjamin (2015) (Belleville, MI) | Golden Triangle Invitational(MI), 2015-05-01(#1) |
| B-400 | 191 | 48.31 | Stoner, Dillon (2017) (Jenks, OK) | OK 6A State Meet(OK), 2015-05-16(#1) |
| B-400 | 191 | 48.31 | Richardson, Tevin (2017) (Calhoun Falls, SC) | SC 1A State Meet(SC), 2015-05-16(#1) |
| B-400 | 191 | 48.31 | Burnham, Ivan (2016) (Unattached, CA) | Golden West Invitational(CA), 2015-06-13(#3) |
| B-400 | 195 | 48.32 | Haines, Nasir (2015) (Freehold Township, NJ) | NJ Meet of Champions(NJ), 2015-06-03(#3) |
| B-400 | 196 | 48.33 | St. Louis, Donovan (2015) (Upper Darby, PA) | PA 3A State Meet(PA), 2015-05-23(#1) |
| B-400 | 196 | 48.33 | Pittman, Isaiah (2015) (Taylor, TX) | TX 4A Area 25-26 Canyon Lake(TX), 2015-04-23(#1) |
| B-400 | 196 | 48.33 | Byabusha, Abdulhakem (2015) (Ossining, NY) | NY State Championships(NY), 2015-06-13(#4) |
| B-400 | 199 | 48.34 | Jackson, Tyler (2015) (Davidson, LA) | AL 7A Section 1(AL), 2015-04-25(#1) |
| B-400 | 199 | 48.34 | Cuevas, Onasi (2015) (Memorial, NJ) | Hudson County Championships(NJ), 2015-05-16(#1) |
| B-400 | 199 | 48.34 | Wilkerson, Braylon (2015) (Summerville, SC) | Golden South Classic(FL), 2015-05-23(#2) |
| B-400 | 199 | 48.34 | Bunion, Deshawne (2015) (Rahway, NJ) | NB Outdoor Nationals(NC), 2015-06-21(#10) |
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