| Event | Rank | Mark | By | Meet |
| B-400H | 1 | 50.13 | Selmon, Kenny (2014) (Pace Academy, GA) | US Junior Nationals(OR), 2014-07-06(#2) |
| B-400H | 2 | 51.16 | Grant, Robert (2014) (Brophy Prep, AZ) | NB Outdoor Nationals(NC), 2014-06-15(#2) |
| B-400H | 3 | 51.52 | Davis, Sydne (2014) (Roosevelt, IA) | IA 4A State Meet(IA), 2014-05-24(#1) |
| B-400H | 4 | 51.63 | Lint, Jack (2014) (Columbus Academy, OH) | US Junior Nationals(OR), 2014-07-06(#4) |
| B-400H | 5 | 51.85 | Gordon, Deron (2014) (Northeast, FL) | AAU Club Championships(FL), 2014-07-13(#1) |
| B-400H | 6 | 51.86 | Benjamin, Rai (2015) (Mount Vernon, NY) | NY State Meet(NY), 2014-06-07(#1) |
| B-400H | 7 | 52.09 | Cooke, Mark (2014) (J P Stevens, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#1) |
| B-400H | 8 | 52.17 | Dopp, Cameron (2014) (Woods Cross, UT) | US Junior Nationals(OR), 2014-07-06(#6) |
| B-400H | 9 | 52.19 | Hall, Quincy (2016) (Raytown South, MO) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#1) |
| B-400H | 10 | 52.41 | Hightower, John (2014) (Riverdale Baptist, MD) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#1) |
| B-400H | 10 | 52.41 | Smith, Darius (2014) (Landmark Christian, GA) | NB Outdoor Nationals(NC), 2014-06-15(#4) |
| B-400H | 12 | 52.54 | Gordon, Deron (2014) (Coconut Creek, FL) | Golden South Classic(FL), 2014-05-24(#2) |
| B-400H | 13 | 52.59 | Dordevic, Max (2014) (Jesuit Portland, OR) | US Junior Nationals(OR), 2014-07-06(#8) |
| B-400H | 14 | 52.61 | Griffith, Ronaldo (Unattached, NY) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#1) |
| B-400H | 15 | 52.69 | Stuffle, Zion (2015) (Lewiston, ID) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#2) |
| B-400H | 16 | 52.71 | Bergstrom, Jack (2015) (Johnston, IA) | IA 4A State Meet(IA), 2014-05-24(#2) |
| B-400H | 17 | 52.79 | Rock, Craig (2014) (St. Thomas Aquinas, LA) | AAU Club Championships(FL), 2014-07-13(#2) |
| B-400H | 18 | 52.80 | Ortega, Alex (2014) (North Bergen, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#2) |
| B-400H | 19 | 53.03 | Charlton, D'Mitry (96) (Queens College -Nas, ) | AAU Club Championships(FL), 2014-07-13(#3) |
| B-400H | 20 | 53.09 | Young, Elijah (2014) (Lincoln, IA) | IA 4A State Meet(IA), 2014-05-24(#3) |
| B-400H | 21 | 53.15 | Mcduffie, Jeremy (2015) (Shiloh, GA) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#2) |
| B-400H | 22 | 53.20 | Guerrera, Trevor (2014) (Sachem East, NY) | NY Sec 11 State Qualifier Meet(NY), 2014-05-31(#1) |
| B-400H | 23 | 53.28 | Griffiths, Ronaldo (2017) (Clara Barton, NY) | PSAL City Championships(NY), 2014-05-25(#1) |
| B-400H | 24 | 53.37 | Marrington, David (2015) (Neshaminy, PA) | Penn Relays(PA), 2014-04-26(#4) |
| B-400H | 25 | 53.42 | Stanley, Tre (2014) (Northwestern, SC) | SC 4A State Meet(SC), 2014-05-17(#1) |
| B-400H | 25 | 53.42 | Hightower, John (2014) (Largo, MD) | Mullins Russell Invitational(DC), 2014-05-03(#1) |
| B-400H | 27 | 53.46 | Housen, Castel (2014) (Milwaukee Riverside University, WI) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#1) |
| B-400H | 28 | 53.47 | Wright, Tyson (2015) (Paxon, FL) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#4) |
| B-400H | 29 | 53.48 | Larrison, Noah (2014) (Waukee, IA) | Dodger Relays(IA), 2014-04-07(#1) |
| B-400H | 30 | 53.50 | Van'T Hof, Dylon (2014) (Sioux Center, IA) | IA 2A State Meet(IA), 2014-05-24(#1) |
| B-400H | 31 | 53.55 | Jenkins, Terrance (New Manchester, GA) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#5) |
| B-400H | 32 | 53.59 | Benjamin, Donaldo (2014) (Delaware Valley, PA) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#2) |
| B-400H | 33 | 53.61 | Nelson, Tobias (2014) (Brentwood, NY) | NY Sec 11 State Qualifier Meet(NY), 2014-05-31(#2) |
| B-400H | 34 | 53.62 | Animashaun, Obafemi (2014) (Union Catholic, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#3) |
| B-400H | 35 | 53.67 | Thompson, David (2016) (DeMatha Catholic, MD) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#2) |
| B-400H | 36 | 53.69 | Henry, Stephon (2014) (New Britain, CT) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#1) |
| B-400H | 37 | 53.70 | Carr, Ardran (2016) (Bowie, TX) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#6) |
| B-400H | 37 | 53.70 | Miles, Leon (2016) (Vicksburg, MS) | USATF Region 6 Junior Olympics(AL), 2014-07-13(#1) |
| B-400H | 39 | 53.73 | Bates, Tommy (2014) (Waverly-Shell Rock, IA) | IA 3A State Meet(IA), 2014-05-24(#1) |
| B-400H | 40 | 53.75 | Lambert, Kiyair (2014) (Phillipsburg, NJ) | NJ North Section 2 Group 4(NJ), 2014-05-24(#2) |
| B-400H | 40 | 53.75 | Patterson, Dominick (2015) (William G Enloe, NC) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#7) |
| B-400H | 42 | 53.84 | Bailey, Clinton (2015) (Jackson Liberty, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#4) |
| B-400H | 43 | 53.85 | Jensen, Tate (2014) (A-D-M, IA) | IA 3A State Meet(IA), 2014-05-24(#2) |
| B-400H | 44 | 53.88 | Walls, Benny (2016) (Camden Cath, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#5) |
| B-400H | 45 | 53.93 | Smith, Lafiel (2014) (Lancaster, TX) | USATF JO Southwest Assn(TX), 2014-06-21(#1) |
| B-400H | 45 | 53.93 | Stringari, Trenton (2015) (Canon City, CO) | USATF Region 10 Junior Olympics(CO), 2014-07-06(#1) |
| B-400H | 47 | 53.95 | Moore, Garrett (2015) (Legacy, TX) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#3) |
| B-400H | 48 | 54.00 | Zallow, Chad (2015) (John F. Kennedy, OH) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#4) |
| B-400H | 49 | 54.05 | Culjat, Tucker (2014) (St. Albert, IA) | IA 2A State Meet(IA), 2014-05-24(#2) |
| B-400H | 50 | 54.07 | Moore, Mitchell (2014) (Jamestown, NY) | Loucks Games(NY), 2014-05-10(#2) |
| B-400H | 51 | 54.08 | Richmond, Caleb (2015) (Cy-Fair, TX) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#9) |
| B-400H | 52 | 54.10 | Johnson, Cody (2016) (Franklin, TX) | USATF Region 10 Junior Olympics(CO), 2014-07-06(#1) |
| B-400H | 53 | 54.12 | Hart, Tyler (2016) (Ft Bend Christian, TX) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#3) |
| B-400H | 54 | 54.13 | Borzelin, Alex (2015) (Hamilton North-Nottingham, NJ) | NJ Group 3 Championships(NJ), 2014-05-31(#1) |
| B-400H | 55 | 54.14 | Eschholz, Alec (2015) (Mt Mansfield, VT) | William F. Eddy Meet(NY), 2014-05-17(#2) |
| B-400H | 56 | 54.17 | Davis, Stanley (2014) (Glen Allen, VA) | AAU Region 5 Qualifier(VA), 2014-06-29(#1) |
| B-400H | 57 | 54.20 | Johnson, Clayton (2016) (Hastings, MN) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#2) |
| B-400H | 58 | 54.22 | Milkey, Max (2014) (Noblesville, IN) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#10) |
| B-400H | 59 | 54.23 | Carter, Austin (2014) (Folsom, CA) | Stanford Invitational(CA), 2014-04-05(#1) |
| B-400H | 59 | 54.23 | Ragland, Darius (2015) (Pickerington North, OH) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#11) |
| B-400H | 61 | 54.25 | Egeli, Alex (2014) (Batavia, NY) | NB Outdoor Nationals(NC), 2014-06-15(#8) |
| B-400H | 62 | 54.29 | Clarke, Raymund (2015) (Clark Abraham, NJ) | Cape-Atlantic League Championship(NJ), 2014-05-15(#2) |
| B-400H | 63 | 54.34 | Post, Chance (2014) (Conestoga Valley, PA) | Penn Relays(PA), 2014-04-26(#7) |
| B-400H | 64 | 54.35 | Boyd, Christian (2015) (North Desoto, LA) | USATF Region 6 Junior Olympics(AL), 2014-07-13(#2) |
| B-400H | 65 | 54.36 | Comer, Max (2015) (Schuylerville, NY) | NY State Meet(NY), 2014-06-07(#2) |
| B-400H | 66 | 54.44 | Borchers, Alex (2015) (South Sioux City, NE) | Sioux City Relays(IA), 2014-04-12(#1) |
| B-400H | 67 | 54.45 | Salemo, Anthony (2014) (Ramsey, NJ) | NJ Group 2 Championships(NJ), 2014-05-31(#2) |
| B-400H | 68 | 54.46 | Banks, Jaylen (2015) (Hermitage, VA) | AAU Club Championships(FL), 2014-07-13(#4) |
| B-400H | 69 | 54.48 | Petzenhauser, Jake (2014) (South Central Calhoun, IA) | IA 2A State Meet(IA), 2014-05-24(#3) |
| B-400H | 70 | 54.49 | Pingel, Jordan (2014) (Pella, IA) | IA 3A State Meet(IA), 2014-05-24(#3) |
| B-400H | 71 | 54.52 | Dooner, Daniel (2014) (Glen Rock, NJ) | NJ Group 2 Championships(NJ), 2014-05-31(#3) |
| B-400H | 72 | 54.53 | Sweeney, Chris (2014) (Verona, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#6) |
| B-400H | 73 | 54.59 | Martin, Zach (2018) (Travis, TX) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#2) |
| B-400H | 73 | 54.59 | Hansen, Thomas (2014) (Ames, IA) | IA 4A State Meet(IA), 2014-05-24(#5) |
| B-400H | 75 | 54.60 | Medlin, Spencer (2014) (Oskaloosa, IA) | IA 3A State Meet(IA), 2014-05-24(#4) |
| B-400H | 75 | 54.60 | Kelley, Kyle (2014) (Bishop Gorman, NV) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#6) |
| B-400H | 77 | 54.61 | Klocko, Caleb (2014) (Norwalk, IA) | IA 4A State Meet(IA), 2014-05-24(#6) |
| B-400H | 77 | 54.61 | Colello, Ben (2014) (Lincoln-Sudbury, MA) | MIAA Eastern Division I Championships(MA), 2014-06-01(#1) |
| B-400H | 79 | 54.62 | Brockman, Charles (2017) (Plano, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#1) |
| B-400H | 80 | 54.63 | Zak, Tyler (2014) (Little Chute, WI) | Senior All-Star Spotlight Meet(IL), 2014-06-14(#1) |
| B-400H | 81 | 54.65 | Ghizzone, Andrew (2014) (Union Catholic, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#7) |
| B-400H | 82 | 54.66 | McAlpin, Rasheed (2015) (Shawnee Heights, KS) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#7) |
| B-400H | 83 | 54.67 | Brewer, Lamar (2014) (Southeast Raleigh, NC) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#5) |
| B-400H | 84 | 54.68 | Thompson, Corey (2015) (East Gaston, NC) | NB Outdoor Nationals(NC), 2014-06-15(#11) |
| B-400H | 84 | 54.68 | Spikes, Daquane (2014) (Sweet Home, NY) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#6) |
| B-400H | 84 | 54.68 | Smith, Alexander (2015) (Cedar Park, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#1) |
| B-400H | 87 | 54.71 | Girardi, Peter (2014) (Cicero-North Syracuse, NY) | NY Sec 3 AA Boys Championships(NY), 2014-05-21(#1) |
| B-400H | 88 | 54.72 | Gray, Pat (2015) (Waukee, IA) | IA 4A State Meet(IA), 2014-05-24(#7) |
| B-400H | 89 | 54.74 | Harrell, Niko (2015) (Bellaire Episcopal, TX) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#4) |
| | | National Elites above. State Elites below | | |
| B-400H | 90 | 54.78 | Brown, McKinly (2016) (Hillside, NC) | USATF Youth Championships (15-16)(IN), 2014-06-29(#1) |
| B-400H | 90 | 54.78 | Moore, Martrice (2015) (Mceachern, GA) | AAU Club Championships(FL), 2014-07-13(#6) |
| B-400H | 92 | 54.81 | Barber, Kyle (2015) (Fayetteville-Manlius, NY) | NY State Meet(NY), 2014-06-07(#5) |
| B-400H | 93 | 54.82 | Thompson, Donavin (2015) (Fauquier, VA) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#7) |
| B-400H | 93 | 54.82 | Harper, Denzel (2016) (Stephenson, GA) | USATF JO Region 4(SC), 2014-07-07(#1) |
| B-400H | 95 | 54.83 | Proctor, Truvaurnie (2015) (Dewitt Clinton, NY) | PSAL City Championships(NY), 2014-05-25(#2) |
| B-400H | 95 | 54.83 | Dickens, Maxwell (2016) (Paul VI, NJ) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#3) |
| B-400H | 95 | 54.83 | Rhoads, Wyatt (2015) (Gilbert, IA) | IA 3A State Meet(IA), 2014-05-24(#5) |
| B-400H | 98 | 54.84 | Rolle, Robert (2014) (Delsea, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#9) |
| B-400H | 99 | 54.85 | Green, Khalfoni (Mays, GA) | USATF JO Region 4(SC), 2014-07-07(#2) |
| B-400H | 100 | 54.86 | Yarborough, D'Ante (2014) (Stone Bridge, VA) | NB Outdoor Nationals(NC), 2014-06-15(#13) |
| B-400H | 100 | 54.86 | Coughenour, Jordan (2014) (Baxter, IA) | Drake Relays(IA), 2014-04-26(#4) |
| B-400H | 102 | 54.87 | Dunham, Conor (2014) (St. Ignatius, IL) | US Junior Nationals(OR), 2014-07-06(#16) |
| B-400H | 103 | 54.92 | Hagamin, Kevin (2014) (Timber Creek, NJ) | NJ Group 3 Championships(NJ), 2014-05-31(#3) |
| B-400H | 104 | 54.93 | Poole, Cory (2017) (East Orange Campus, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#10) |
| B-400H | 105 | 54.95 | Malzo, Cullen (2015) (Lakeland/Panas, NY) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#8) |
| B-400H | 105 | 54.95 | Straughter, Lamartrious (2014) (Ft Worth Southwest, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#3) |
| B-400H | 107 | 54.96 | Andrade, Dylan (2015) (Forbush, NC) | NB Outdoor Nationals(NC), 2014-06-15(#14) |
| B-400H | 108 | 55.01 | Spence, Dennis (2014) (Cumberland, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#12) |
| B-400H | 109 | 55.02 | Reynolds, Shawn (2014) (Monroe, NJ) | NJ Central Section Group 4(NJ), 2014-05-24(#1) |
| B-400H | 109 | 55.02 | Hilson, Nick (2016) (Nettleton, AR) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#9) |
| B-400H | 111 | 55.03 | Stoakes, Eric (2016) (Gladbrook-Reinbeck, IA) | IA 1A State Meet(IA), 2014-05-24(#1) |
| B-400H | 112 | 55.04 | Holmes, Brandy (2014) (Irmo, SC) | SC 4A State Meet(SC), 2014-05-17(#2) |
| B-400H | 112 | 55.04 | Serrao, Kevin (2014) (Bergen Tech, NJ) | Bergen County Meet of Champions(NJ), 2014-05-16(#2) |
| B-400H | 114 | 55.05 | Peterson, Spencer (2014) (Clarion-Goldfield, IA) | IA 2A State Meet(IA), 2014-05-24(#4) |
| B-400H | 115 | 55.07 | Cole, Alieu (2014) (John F. Kennedy, MD) | Penn Relays(PA), 2014-04-26(#11) |
| B-400H | 116 | 55.08 | Gayfield, Thaj (2015) (Marquette, MO) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#10) |
| B-400H | 117 | 55.09 | Rienas, William (2016) (Northern Valley Old Tappan, NJ) | Bergen County Meet of Champions(NJ), 2014-05-16(#3) |
| B-400H | 118 | 55.11 | Graves, Elliott (2016) (Reidsville, NC) | USATF JO Region 3(NC), 2014-07-13(#2) |
| B-400H | 118 | 55.11 | Powers, Jordon (2014) (Southwestern, NY) | NY Sec 6 State Qualifier(NY), 2014-05-31(#1) |
| B-400H | 120 | 55.13 | Thibault, Nick (2014) (Center Point-Urbana, IA) | IA 3A State Meet(IA), 2014-05-24(#6) |
| B-400H | 120 | 55.13 | Pilliod, Luke (2014) (Glenbrook South, IL) | Senior All-Star Spotlight Meet(IL), 2014-06-14(#2) |
| B-400H | 120 | 55.13 | Davis, Jordan (2014) (Homestead, IN) | USATF Youth Championships (YM/YW)(IN), 2014-06-29(#1) |
| B-400H | 123 | 55.15 | Williams, Austin (2014) (North Polk, IA) | IA 2A State Meet(IA), 2014-05-24(#5) |
| B-400H | 124 | 55.16 | Huffman, Logan (2014) (Fort Madison, IA) | IA 3A State Meet(IA), 2014-05-24(#7) |
| B-400H | 125 | 55.20 | Tucker, Infinite (2016) (Huntington, NY) | Longwood Frosh/Soph Champs(NY), 2014-05-14(#1) |
| B-400H | 125 | 55.20 | Thompson, Jordan (2015) (Eau Claire, SC) | SC 2A State Meet(SC), 2014-05-17(#1) |
| B-400H | 127 | 55.21 | Agustin, Justin (2014) (Oswego East, IL) | Senior All-Star Spotlight Meet(IL), 2014-06-14(#3) |
| B-400H | 128 | 55.22 | Faint, Connor (2014) (Millbrook, VA) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#10) |
| B-400H | 129 | 55.23 | Gatrost, Levi (2014) (Center Point-Urbana, IA) | IA 3A State Meet(IA), 2014-05-24(#8) |
| B-400H | 129 | 55.23 | Gilbert, Serge (2015) (Union Catholic, NJ) | NJ Non-Public A Championships(NJ), 2014-05-31(#4) |
| B-400H | 129 | 55.23 | Bowman, Charles (2015) (Central Dauphin East, PA) | AAU Region 2 Qualifier(NJ), 2014-06-29(#2) |
| B-400H | 132 | 55.29 | Johnson, Irvin (2014) (New Bedford, MA) | Boys Coaches' Invitational(MA), 2014-05-10(#1) |
| B-400H | 132 | 55.29 | Lelacheur, Aaron (2014) (Reading, MA) | Andover Invitational(MA), 2014-05-10(#1) |
| B-400H | 134 | 55.31 | McDeid, Austin (2014) (Weedsport, NY) | NY State Meet(NY), 2014-06-07(#3) |
| B-400H | 134 | 55.31 | Webster, Robie (2015) (Lincoln, MI) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#12) |
| B-400H | 136 | 55.32 | Gonzalez, Victor (2014) (Bernards, NJ) | NJ North Section 2 Group 2(NJ), 2014-05-24(#1) |
| B-400H | 136 | 55.32 | Matthews, Jayvon (2014) (Davenport Central, IA) | IA 4A State Meet(IA), 2014-05-24(#8) |
| B-400H | 138 | 55.33 | Rissleman, Isaac (2014) (Carroll, IA) | IA 3A State Meet(IA), 2014-05-24(#9) |
| B-400H | 139 | 55.34 | Alexander, Chris (2015) (Christian Brothers Academy, NJ) | Shore Conference Championship(NJ), 2014-05-17(#2) |
| B-400H | 140 | 55.35 | Jackson, Xavier (2016) (McKinney North, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#2) |
| B-400H | 140 | 55.35 | Gardner, Byron (2016) (F L Schlagle, KS) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#4) |
| B-400H | 142 | 55.36 | Ravenell, Olin (16) (North Charleston, SC) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#11) |
| B-400H | 142 | 55.36 | Lutterloh, Austin (2014) (Tacoma Baptist, WA) | Pacific Northwest Association Championships(WA), 2014-06-22(#1) |
| B-400H | 144 | 55.37 | Silveira, Sebastian (2015) (Andover, MA) | Merrimack Valley Conf Meet(MA), 2014-05-24(#1) |
| B-400H | 145 | 55.38 | Body, Julian (2016) (Jesuit Portland, OR) | USATF JO Oregon Association State Champs(OR), 2014-06-24(#1) |
| B-400H | 145 | 55.38 | Harris, Dennis (2014) (Washington George, PA) | AAU Region 2 Qualifier(NJ), 2014-06-29(#3) |
| B-400H | 147 | 55.40 | Pondiscio, Ronald (2014) (Sparta, NJ) | NJ Group 3 Championships(NJ), 2014-05-31(#4) |
| B-400H | 147 | 55.40 | Junior, Kato (2014) (Wando, SC) | SC 4A State Meet(SC), 2014-05-17(#3) |
| B-400H | 149 | 55.41 | Momnohin, Kevin (2014) (Queen of Peace, NJ) | NJ Non-Public B Championships(NJ), 2014-05-31(#1) |
| B-400H | 150 | 55.44 | Leanza, Dan (2014) (Randolph, NJ) | Morris County Championship(NJ), 2014-05-13(#1) |
| B-400H | 150 | 55.44 | Smith, Jacob (2016) (West Burlington, IA) | IA 2A State Meet(IA), 2014-05-24(#6) |
| B-400H | 152 | 55.49 | Mcalmont, Collin (2014) (Randolph, NJ) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#12) |
| B-400H | 152 | 55.49 | daves, tyrone (2015) (Newark Central, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#16) |
| B-400H | 152 | 55.49 | Gross, Daniel (2014) (Port Jefferson, NY) | NY Sec 11 State Qualifier Meet(NY), 2014-05-31(#4) |
| B-400H | 155 | 55.51 | Hurley, DeAndre (2014) (Abbeville, SC) | SC 2A State Meet(SC), 2014-05-17(#2) |
| B-400H | 156 | 55.52 | Coveney, Jake (2015) (Broadalbin-Perth, NY) | NY Section 2 Groups(NY), 2014-05-20(#1) |
| B-400H | 156 | 55.52 | Idris, Bashir (2015) (C.D. Hylton, VA) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#13) |
| B-400H | 158 | 55.53 | Barton, Matt (2015) (Victor Central, NY) | NY Sec 5 State Qualifier(NY), 2014-05-30(#1) |
| B-400H | 159 | 55.54 | Nalbach, Stephen (2014) (Randolph, NY) | NJAC Outdoor Championship(NJ), 2014-05-07(#1) |
| B-400H | 159 | 55.54 | Paulson, Nick (2014) (Ankeny Centennial, IA) | IA 2A State Meet(IA), 2014-05-24(#7) |
| B-400H | 161 | 55.55 | Dukes, Bennie (2014) (Charlotte, NY) | NY Sec 5 State Qualifier(NY), 2014-05-30(#2) |
| B-400H | 162 | 55.56 | Canady, Braxton (2016) (Paxon, FL) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#10) |
| B-400H | 162 | 55.56 | Lucas, Isaiah (2016) (Cypress Falls, TX) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#10) |
| B-400H | 162 | 55.56 | Wright, Ishmael (2014) (Quakertown, PA) | Penn Relays(PA), 2014-04-26(#12) |
| B-400H | 162 | 55.56 | Noel, Louis (2014) (Bishop Heelan Catholic, IA) | IA 3A State Meet(IA), 2014-05-24(#10) |
| B-400H | 162 | 55.56 | Rouser, Garrett (2015) (Kingston, WA) | Pacific Northwest Association Championships(WA), 2014-06-22(#2) |
| B-400H | 167 | 55.57 | Heinrichs, Justin (2015) (Estherville Lincoln Central, IA) | IA 2A State Meet(IA), 2014-05-24(#8) |
| B-400H | 167 | 55.57 | Deshpande, Utsav (2015) (Sachem East, NY) | NY Sec 11 State Qualifier Meet(NY), 2014-05-31(#5) |
| B-400H | 169 | 55.59 | Mesiano, Chris (2015) (Arthur P Schalick, NJ) | NJ Group 1 Championships(NJ), 2014-05-31(#2) |
| B-400H | 169 | 55.59 | Richardson, Cordell (2015) (Cheltenham, PA) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#15) |
| B-400H | 171 | 55.60 | Sommers, Clayton (2015) (Saydel, IA) | IA 3A State Meet(IA), 2014-05-24(#11) |
| B-400H | 172 | 55.62 | Bennison, Kyle (2014) (Hopewell, NJ) | NJ Central Section Group 3(NJ), 2014-05-24(#2) |
| B-400H | 172 | 55.62 | McLean, Steven (2014) (Clark Abraham, NJ) | NJ Group 2 Championships(NJ), 2014-05-31(#4) |
| B-400H | 174 | 55.63 | Adams, Will (2014) (Mallard Creek, NC) | Taco Bell Classic(SC), 2014-04-12(#3) |
| B-400H | 174 | 55.63 | Nguyen, Ryan (2014) (Washingtonville, NY) | Middletown Invitational(NY), 2014-05-10(#1) |
| B-400H | 174 | 55.63 | Dimaiti, Andrew (2014) (Saint Mary's, MA) | MA State Championships(MA), 2014-06-07(#2) |
| B-400H | 174 | 55.63 | Jennings, Jvon (2014) (Downingtown East, PA) | USATF Youth Championships (YM/YW)(IN), 2014-06-29(#3) |
| B-400H | 178 | 55.64 | Powell, Jerrick (2015) (Christian Brothers College, MO) | USATF JO Region 9(AR), 2014-07-14(#1) |
| B-400H | 179 | 55.65 | Barrows, Josh (2015) (Helena, MT) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#14) |
| B-400H | 180 | 55.67 | Haag, Elijah (2015) (Spotswood, VA) | NB Outdoor Nationals - Emerging Elites(NC), 2014-06-15(#14) |
| B-400H | 181 | 55.70 | Furlong, John (2014) (Southern Regional, NJ) | Shore Conference Championship(NJ), 2014-05-17(#3) |
| B-400H | 181 | 55.70 | Kagemann, Jake (2014) (Central Clinton, IA) | IA 3A State Meet(IA), 2014-05-24(#12) |
| B-400H | 183 | 55.71 | Dogbey, Omar (2014) (Manalapan, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#19) |
| B-400H | 183 | 55.71 | Walker, Noah (2016) (Northwestern, SC) | SC 4A State Meet(SC), 2014-05-17(#4) |
| B-400H | 183 | 55.71 | Johansen, Holt (2014) (Decorah, IA) | IA 3A State Meet(IA), 2014-05-24(#13) |
| B-400H | 186 | 55.73 | almonte, kelvin (2015) (Memorial, NJ) | NJ North Section 1 Group 4(NJ), 2014-05-24(#3) |
| B-400H | 186 | 55.73 | Coverson, Kase (2014) (Ravenwood, TN) | USATF Region 6 Junior Olympics(AL), 2014-07-13(#3) |
| B-400H | 186 | 55.73 | Douglas, Bryce (2016) (Allen, TX) | USATF National Junior Olympics 15-16(TX), 2014-07-27(#12) |
| B-400H | 189 | 55.75 | Chamberlain, Delante (2014) (Clinton, IA) | IA 4A State Meet(IA), 2014-05-24(#9) |
| B-400H | 190 | 55.76 | Jordan, Joseph (2016) (Northern Valley Old Tappan, NJ) | NJ North Section 1 Group 3(NJ), 2014-05-24(#2) |
| B-400H | 191 | 55.78 | Hoogensen, Finn (2014) (Lincoln, IA) | IA 4A State Meet(IA), 2014-05-24(#10) |
| B-400H | 192 | 55.79 | Johnson, Jamel (West Windsor-Plainsboro North, NJ) | NJ Central Section Group 4(NJ), 2014-05-24(#2) |
| B-400H | 193 | 55.80 | Griffin, Jordan (2015) (White Knoll, SC) | SC 4A State Meet(SC), 2014-05-17(#5) |
| B-400H | 194 | 55.81 | Barney, Isaiah (2016) (Cedar Falls, IA) | IA 4A State Meet(IA), 2014-05-24(#11) |
| B-400H | 195 | 55.82 | Muhammad, Ishmael (2014) (Oakcrest, NJ) | NJ Group 3 Championships(NJ), 2014-05-31(#2) |
| B-400H | 195 | 55.82 | Santos, Ulysses (2015) (Bloomfield, NJ) | NJ Meet of Champions(NJ), 2014-06-04(#22) |
| B-400H | 197 | 55.83 | Pedersen, Nick (2016) (Underwood, IA) | IA 1A State Meet(IA), 2014-05-24(#2) |
| B-400H | 198 | 55.86 | Graveley, David (2015) (Amsterdam, NY) | NY Sec 2 State Qualifier(NY), 2014-05-30(#1) |
| B-400H | 199 | 55.87 | Brosier, Kenny (2015) (Willingboro, NJ) | Burlington County Open(NJ), 2014-05-17(#1) |
| B-400H | 199 | 55.87 | Stephens, Bruce (2016) (Northrop, IN) | USATF Youth Championships (YM/YW)(IN), 2014-06-29(#2) |
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