| 1. | | Ramon Miller | 45.43a | Sr | ND | Dickinson State | NAIA National Championships | Sat, May 23 |
| 2. | | Sean Pickstock | 46.65a | Jr | ND | Dickinson State | NAIA National Championships | Sat, May 23 |
| 3. | | Gianni Vernon- Reynolds | 46.84a | Fr | CA | Soka | Oxy Invite | Sat, May 9 |
| 4. | | Adrian Simpson | 47.40a | Jr | LA | Southern-New Orleans | NAIA National Championships | Sat, May 23 |
| 5. | | Caleb McLean | 47.46a | So | TX | Wayland Baptist | NAIA National Championships | Sat, May 23 |
| 6. | | Ethan Mignard | 47.53a | So | OK | Oklahoma Baptist | SAC Championships | Sat, May 2 |
| 7. | | Jordan Heim | 47.57a | So | IN | Bethel (IN) | NAIA National Championships | Sat, May 23 |
| 8. | | Spencer Berkley | 47.66a | Jr | OK | Southern Nazarene | NAIA National Championships | Sat, May 23 |
| | Jeremy Harris | 47.66a | Sr | FL | Warner Southern | The Sun Conference Championship | Mon, Apr 20 |
| 10. | | Andre Thornton | 47.80a | Jr | KY | Union (KY) | NAIA National Championships | Sat, May 23 |
| 11. | | Anthony Logan | 47.81a | Jr | CA | Azusa Pacific | APU Last Chance Qualifier | Sat, Feb 21 |
| | Pierien Iniss | 47.81a | Jr | OK | Oklahoma Baptist | Michael Johnson Classic | Sat, Apr 18 |
| 13. | | Alfraid Manning | 47.83a | So | TX | Huston-Tillotson | NAIA National Championships | Sat, May 23 |
| 14. | | Joel Halcro | 47.94a | So | BC | British Columbia | NAIA National Championships | Sat, May 23 |
| 15. | | Andrew Boss | 47.97a | So | BC | Simon Fraser | NAIA National Championships | Sat, May 23 |
| 16. | | Elvis Whitelow | 47.98a | - | CA | Vanguard | GSAC Championships | Sat, Apr 25 |
| 17. | | Montrail Brooks | 48.04a | Jr | CA | Azusa Pacific | GSAC Championships | Sat, Apr 25 |
| 18. | | Javon Claxton | 48.13a | So | MO | Lindenwood | CMU Open | Sat, Mar 21 |
| 19. | | John Ingraham | 48.14a | Sr | ND | Dickinson State | Sun Angel Track Classic | Sat, Apr 11 |
| 20. | | Randall Hairston | 48.22a | So | OK | Oklahoma City | TCU Invitational | Sat, Apr 18 |
| | Gerron Herring | 48.22a | So | GA | Shorter | Mid-South Conference Championships | Sat, Apr 25 |
| 22. | | Jerone Mitchell | 48.24a | Fr | MO | Lindenwood | CMU Open | Sat, Mar 21 |
| 23. | | Akeem Lavoll | 48.26a | Sr | OK | Langston | Bison Invitational | Sat, Apr 11 |
| 24. | | Corey Botma | 48.27a | So | CA | Point Loma Nazarene | GSAC Championships | Sat, Apr 25 |
| 25. | | Kris Miller | 48.29a | Jr | IA | William Penn | Dr. Keeler Invitational | Fri, May 8 |
| 26. | | Adrian Simmons | 48.33a | Sr | MI | Siena Heights | Hillsdale College Gina Relays | Sat, Apr 25 |
| 27. | | Montez Valentine | 48.34a | So | GA | Shorter | Mississippi Open | Sat, May 2 |
| 28. | | Imari Dale | 48.54a | Sr | FL | Warner Southern | NAIA National Championships | Sat, May 23 |
| 29. | | Fernando Edwards | 48.57a | Sr | MO | Missouri Baptist | Washington University Invitational | Sat, Apr 4 |
| 30. | | Eric Brown | 48.60a | Fr | IN | Indiana Wesleyan | MCC Championships | Sat, Apr 25 |
| 31. | | Anthony Clark | 48.62a | So | CA | Fresno Pacific | GSAC Championships | Sat, Apr 25 |
| 32. | | Andy Marston | 48.67a | Sr | IN | Taylor | MCC Championships | Sat, Apr 25 |
| 33. | | Jeb Ford | 48.74a | Sr | OH | Malone | AMC Championships | Sat, Apr 18 |
| 34. | | Chris Cruise | 48.75a | Sr | OH | Malone | AMC Championships | Sat, Apr 18 |
| 35. | | Bryan Allingham | 48.76a | So | IN | Taylor | NCCAA National Championships | Sat, May 2 |
| | Tyson Unruh | 48.76a | Fr | BC | Simon Fraser | NAIA National Championships | Sat, May 23 |
| 37. | | Nate Phillips | 48.79a | Sr | IN | Bethel (IN) | Little State Championships | Sat, Apr 11 |
| 38. | | Jeffery Penndergrass | 48.84a | So | SC | Voorhees | JCSU Invitational | Sat, Apr 11 |
| | Kevin Bray | 48.84a | So | FL | Embry-Riddle | The Sun Conference Championship | Mon, Apr 20 |
| 40. | | Clarence Anderson | 48.87a | Fr | KS | Ottawa (KS) | KCAC Championships | Sat, May 2 |
| 41. | | Kevin Ott Wright | 48.95a | Sr | CA | CS San Marcos | Point Loma / Naval Academy Meet | Sat, Mar 21 |
| 42. | | Vince Martinez | 48.96a | Fr | NE | Doane | GPAC Championships | Sat, May 2 |
| | Ronsen Kakuda | 48.96a | Jr | CA | Point Loma Nazarene | GSAC Championships | Sat, Apr 25 |
| 44. | | Brad South | 48.98a | Jr | IA | Morningside | GPAC Championships | Sat, May 2 |
| 45. | | Jerry-Lee Davis | 49.02a | Fr | TX | Wayland Baptist | Texas Tech Twilight | Thu, Apr 9 |
| | Tyler Buckman | 49.02a | Sr | MO | Culver-Stockton | HAAC Championships | Sat, May 2 |
| | Russell Dill | 49.02a | Jr | IN | Indiana Tech | Billy Hayes Invitational | Fri, May 8 |
| 48. | | Hysel Kamarakafego | 49.03a | So | FL | Florida Memorial | FAU Twilight Invitational | Sat, Mar 14 |
| 49. | | Lerone Lawson | 49.09a | Sr | LA | Southern-New Orleans | Mississippi Open | Sat, May 2 |
| 50. | | Andre Robinson | 49.11a | So | OH | Notre Dame College | AMC Championships | Sat, Apr 18 |
| | Stanley Smith | 49.11a | Fr | TX | Wayland Baptist | Texas Tech Invitational | Thu, May 7 |
| | Gary Daughtrey | 49.11a | So | FL | Warner Southern | UCF Twilight | Sun, May 10 |
| 53. | | Josh Whitener | 49.19a | Fr | MO | Central Methodist | HAAC Championships | Sat, May 2 |
| 54. | | Brady Velgersdyk | 49.20a | Fr | SD | Sioux Falls | GPAC Championships | Sat, May 2 |
| 55. | | Morgan Rose | 49.24a | Jr | CA | Vanguard | GSAC Championships | Sat, Apr 25 |
| 56. | | Khaldon Evans | 49.26a | Fr | ND | Minot State | DAC Championships | Fri, May 8 |
| 57. | | Jacob Erickson | 49.29a | So | MI | Cornerstone | Coastal Carolina University Invitational | Sat, Mar 14 |
| 58. | | Andrew Clark | 49.31a | So | CA | Fresno Pacific | APU Indoor Qualifier | Sat, Feb 14 |
| | Nick O'Loughlin | 49.31a | So | KS | Bethany (KS) | KCAC Championships | Sat, May 2 |
| | Chris Chidgey | 49.31a | Sr | FL | Embry-Riddle | The Sun Conference Championship | Mon, Apr 20 |
| 61. | | Derrick Brinkley | 49.34c | Jr | IN | Indiana Tech | WHAC Chapionship. | Fri, May 1 |
| 62. | | Colin Koth | 49.37a | Fr | SD | Sioux Falls | Kansas Relays | Sat, Apr 18 |
| 63. | | Devin Hiller | 49.39a | Sr | ND | Minot State | DAC Championships | Fri, May 8 |
| 64. | | Devin Haddix | 49.40a | - | MO | Park | Gorilla Classic | Sat, Apr 11 |
| 65. | | Garfield Sinclair | 49.42a | So | TX | Huston-Tillotson | LA Classics | Sat, Mar 21 |
| | Josiah Luttjeboer | 49.42a | So | IA | Dordt | GPAC Championships | Sat, May 2 |
| | Ben Reckas | 49.42a | So | CA | Fresno Pacific | GSAC Championships | Sat, Apr 25 |
| 68. | | David Krenik | 49.43a | Sr | TN | King College | Orange & Purple Classic | Sat, May 9 |
| 69. | | Andrew Wise | 49.44a | So | OR | Eastern Oregon | Cascade Collegiate Conference Championships | Sat, May 9 |
| 70. | | Dempsey Josinvil | 49.45a | Sr | FL | Edward Waters | Alice Coachman Invitational | Sat, Apr 4 |
| 71. | | Wesley Schmidgall | 49.50a | Fr | MO | Culver-Stockton | Washington University Invitational | Sat, Apr 4 |
| 72. | | Andrew Perri | 49.51a | Jr | OR | Eastern Oregon | Cascade Collegiate Conference Championships | Sat, May 9 |
| 73. | | Conroy Newman | 49.52a | Jr | KS | Mid America Nazarene | Bob Laptad /Bill Williams Invitational | Fri, Apr 24 |
| | Demar Sheffey | 49.52a | So | OH | Notre Dame College | AMC Championships | Sat, Apr 18 |
| 75. | | Brian Laing | 49.53a | Fr | FL | Embry-Riddle | Miami Elite Invitational | Sat, Apr 11 |
| | Sean Hurley | 49.53a | Jr | ND | Dickinson State | DAC Championships | Fri, May 8 |
| 77. | | Samuel Starr | 49.54a | Jr | OH | Cedarville | NCCAA National Championships | Sat, May 2 |
| 78. | | Lee Prevost | 49.58a | Fr | TX | Wayland Baptist | Texas Tech Twilight | Thu, Apr 9 |
| 79. | | Christopher Cecil | 49.59a | Sr | KY | Lindsey Wilson | Mid-South Conference Championships | Sat, Apr 25 |
| 80. | | Adam Birt | 49.61a | So | NE | Concordia-Nebraska | GPAC Championships | Sat, May 2 |
| | Wit Williams | 49.61a | So | OK | Oklahoma Baptist | OBU Last Chance Meet | Fri, May 8 |
| 82. | | Tyrone McCray | 49.62a | Fr | OK | Bacone | David Noble Relays | Thu, Apr 9 |
| | Kameron Bailey | 49.62a | Jr | IN | Huntington | MCC Championships | Sat, Apr 25 |
| 84. | | Reid Gustavson | 49.64a | Jr | BC | British Columbia | NAIA National Championships | Sat, May 23 |
| 85. | | Jordon Regehr | 49.66a | - | KS | Bethel (KS) | Bethel College Invitational | Sat, Apr 25 |
| 86. | | Kyle Cassidy | 49.70a | So | IN | Taylor | MCC Championships | Sat, Apr 25 |
| 87. | | Jordan Perry | 49.71a | Jr | IL | McKendree | SIUE Twilight | Sat, Apr 25 |
| 88. | | Johnnie Nabors | 49.75a | Sr | KY | Union (KY) | Emory Invitational | Sat, Mar 21 |
| 89. | | Michael Beight | 49.79a | Jr | OH | Cedarville | AMC Championships | Sat, Apr 18 |
| 90. | | Troy Murray | 49.80a | So | FL | Florida Memorial | The Sun Conference Championship | Mon, Apr 20 |
| 91. | | Gaberiel Aeschliman | 49.81a | Fr | CA | Biola | GSAC Championships | Sat, Apr 25 |
| 92. | | Phil Cooper | 49.82a | So | IA | Grand View | CMU Open | Sat, Mar 21 |
| 93. | | Josh Wood | 49.85a | Jr | FL | Warner Southern | The Sun Conference Championship | Mon, Apr 20 |
| 94. | | Nathan Winkler | 49.86a | Sr | CA | Concordia-Irvine | Point Loma College Scoring Event | Sat, Mar 28 |
| 95. | | Allan Ayala | 49.87a | Jr | ND | Dickinson State | Al Cassell Relays | Sat, Apr 25 |
| 96. | | Cody Ingold | 49.88a | Sr | NE | Doane | Doane College Relays | Sat, Apr 18 |
| 97. | | Joseph Furr | 49.89a | Fr | NE | Concordia-Nebraska | GPAC Championships | Sat, May 2 |
| 98. | | Damien Brigham | 49.90a | - | TX | Texas College | Dogwood Invitational | Sat, Mar 21 |
| | Dan Carrick | 49.90a | Jr | IN | Indiana Wesleyan | NCCAA National Championships | Sat, May 2 |
| 100. | | Billy Christy | 49.91a | So | OK | Oklahoma Baptist | OBU Last Chance Meet | Fri, May 8 |
| 101. | | Aaron Hannon | 49.94a | So | KS | Baker | NAIA National Championships | Sat, May 23 |
| 102. | | Nathan Ticknor | 49.95a | Jr | IL | Olivet Nazarene | Mid-Season Invitational | Sat, Apr 18 |
| 103. | | Austin Williams | 49.96a | - | MO | William Jewell | HAAC Championships | Sat, May 2 |
| 104. | | Deaaron McCannon | 49.97a | Fr | FL | Edward Waters | Alice Coachman Invitational | Sat, Apr 4 |
| 105. | | Curtis Parrish | 49.99a | Jr | OR | Concordia-Portland | L&C Invitational | Sat, Apr 18 |
| 106. | | Nick Thompson | 50.01a | Fr | IL | McKendree | Washington University Invitational | Sat, Apr 4 |
| 107. | | Ethan Dejongh | 50.02a | Fr | CA | Fresno Pacific | Jack Albiani Invitational | Fri, Mar 13 |
| 108. | | Fernando Morales | 50.03a | So | OR | Eastern Oregon | Bronco Twilight | Fri, May 1 |
| 109. | | Erik Lindsay | 50.06a | So | IA | Briar Cliff | Sioux City Relays | Sat, Apr 18 |
| 110. | | Nicholas Stein | 50.11a | Jr | CA | CS San Marcos | The Beach Invitational | Sat, Apr 18 |
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(Total stats: 590)
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