| Place | Time | Swimmer (Grade) | School | City | State |
| 1 | :46.75 | Cole Cragin (12) | Friendswood High School | Friendswood | TX |
| 2 | :47.37 | Matt Thompson (12) | Jesuit College Preparatory School | Dallas | TX |
| 3 | :47.70 | Tony Cox (12) | Bishop Alemany High School | Mission Hills | CA |
| 4 | :47.97 | Matt Murray (12) | Saratoga High School | Saratoga | CA |
| 5 | :48.11 | Kyle Owens (12) | Science Hill High School | Johnson City | TN |
| 6 | :48.41 | Michael Sheppard (11) | St. George's Independent School | Collierville | TN |
| 7 | :48.86 | Brian Kiel (11) | Rochester Century High School | Rochester | MN |
| 8 | :48.89 | Austin Brown (12) | Redlands High School | Redlands | CA |
| 9 | :48.93 | Parker Camp (11) | Brentwood High School | Brentwood | TN |
| 10 | :48.94 | Andrew Saeta (12) | Polytechnic School | Pasadena | CA |
| 11 | :49.14 | Jacob Jarzen (12) | Jacksonville High School | Jacksonville | IL |
| 12 | :49.19 | Brady Fox (12) | Georgetown Prep | N. Behtesda | MD |
| 13 | :49.20 | Gray Umbach (9 ) | The Woodlands College Park High School | The Woodlands | TX |
| 14 | :49.28 | Brian Dailey-Ardnt (11) | Cretin-Derham Hall | St. Paul | MN |
| 15 | :49.29 | Kip Darmody (10) | Providence High School | Charlotte | NC |
| 16 | :49.41 | David Nolan (10) | Hershey High School | Hershey | PA |
| 17 | :49.59 | Jacob Hanson (12) | Normal Community High School | Normal | IL |
| 18 | :49.60 | Kyle Milberg (11) | Highlands Ranch High School | Highlands Ranch | CO |
| 19 | :49.69 | Cooper Robinson (10) | James E. Taylor High School | Katy | TX |
| 20 | :49.71 | Matthew Houser (12) | J.H. Rose High School | Greenville | NC |
| 21 | :49.73 | Austin Surhoff (12) | St. Paul's School for Boys | Brooklandville | MD |
| 22 | :49.74 | Matthew Curby (10) | Paul J. Hagerty High School | Oviedo | FL |
| 23 | :49.76 | Cameron Martin (12) | Clearwater Central Catholic | Clearwater | FL |
| 23 | :49.76 | Matt Maurer (12) | Kickapoo High School | Springfield | MO |
| 23 | :49.76 | Jacob Taylor (11) | Mountain Crest High School | Hyrum | UT |
| 26 | :49.79 | Alexander Hoff (12) | Mercer Island High School | Mercer Island | WA |
| 27 | :49.81 | Nathan Kinney (11) | Hamilton Southeastern High School | Fishers | IN |
| 28 | :49.87 | Kevin Behrens (10) | Munster High School | Munster | IN |
| 29 | :49.88 | James Wells (11) | Morse High School | Bath | ME |
| 30 | :49.89 | Tyler Messerschmidt (10) | Desert Edge High School | Goodyear | AZ |
| 31 | :49.94 | Dustin Folio (12) | Selinsgrove Area High School | Selinsgrove | PA |
| 32 | :49.98 | Kyle Dudzinski (10) | Upper St. Clair High School | Pittsburgh | PA |
| 33 | :50.02 | Andrew Kosic (10) | West Chester Henderson High School | West Chester | PA |
| 34 | :50.03 | Woody Joye (11) | Stanhope Elmore High School | Millbrook | AL |
| 35 | :50.05 | Byron Butler (12) | New Berlin West High School | New Berlin | WI |
| 36 | :50.16 | Marcus Holland (12) | Perris High School | Perris | CA |
| 37 | :50.17 | Mike Dominski (12) | New Trier High School | Winnetka | IL |
| 38 | :50.18 | Nick Trowbridge (12) | Mountain View High School | Mountain View | CA |
| 39 | :50.24 | Paul Young (12) | Lakeville North High School | Lakeville | MN |
| 40 | :50.27 | Michael Hallock (12) | Oakton High School | Vienna | VA |
| 40 | :50.27 | Nic Morrell (11) | Summit High School | Bend | OR |
| 42 | :50.28 | Romain DeCrop (9 ) | Emmaus High School | Emmaus | PA |
| 43 | :50.29 | Kevin Meisner (11) | Akron Firestone High School | Akron | OH |
| 44 | :50.30 | Matt Hurko (12) | Leigh High School | San Jose | CA |
| 45 | :50.35 | Connor McCarroll (12) | Jesuit High School | Portland | OR |
| 46 | :50.36 | Sandy Whitaker (11) | St. Charles Prep School | Columbus | OH |
| 47 | :50.37 | Cody Roberts (12) | Richland High School | Richland | WA |
| 48 | :50.41 | Spencer Fronk (11) | Cherry Creek High School | Englewood | CO |
| 49 | :50.44 | Brandon Shilling (12) | Bellarmine College Preparatory | San Jose | CA |
| 50 | :50.49 | Lee Duggins (12) | St. Xavier High School | Louisville | KY |
| 51 | :50.51 | Luke Papendick (9 ) | Kinnelon High School | Kinnelon | NJ |
| 51 | :50.51 | Matthew Schwippert (12) | Iroquois Central High School | Elma | NY |
| 53 | :50.54 | Kevin Kubik (12) | Lincoln-Way East High School | Frankfort | IL |
| 54 | :50.59 | Tim Wenzlau (12) | Palo Alto High School | Palo Alto | CA |
| 55 | :50.65 | Collin Baratte (12) | Oaks Christian High School | Westlake Village | CA |
| 56 | :50.66 | Logan Mosley (12) | Seminole High School | Sanford | FL |
| 57 | :50.69 | Zackery Humphreys (12) | Nevada Union High School | Grass Valley | CA |
| 58 | :50.72 | Reese Shirey (12) | The Baylor School | Chattanooga | TN |
| 59 | :50.75 | Alex Ward (11) | Webb School of Knoxville | Knoxville | TN |
| 60 | :50.76 | Wade Satanik (12) | Easton Area High School | Easton | PA |
| 61 | :50.78 | Patrick McHugh (12) | Springfield Catholic Central | Springfield | OH |
| 61 | :50.78 | Joseph Stark (12) | Cathedral Prep | Erie | PA |
| 63 | :50.81 | Austin Ringquist (10) | Hillsboro High School | Hillsboro | OR |
| 64 | :50.84 | Hunter Bayley (12) | Houston Stratford High School | Houston | TX |
| 65 | :50.85 | Jonathan Edwards (10) | Cypress Creek High School | Houston | TX |
| 66 | :50.90 | Ryan King (12) | Canfield High School | Canfield | OH |
| 67 | :50.93 | Tim Maurer (10) | Lower Dauphin High School | Hummelstown | PA |
| 68 | :50.96 | Brian Bolton (11) | Brentwood High School | Brentwood | TN |
| 68 | :50.96 | Christopher Cirillo (12) | Warwick High School | Newport News | VA |
| 70 | :50.98 | Patrick Dougherty (12) | Downingtown West High School | Downingtown | PA |
| 70 | :50.98 | Stephen Meyer (11) | Shorewood High School | Shorewood | WI |
| 70 | :50.98 | Calvin Starosta (12) | Upper Dublin High School | Ft. Washington | PA |
| 73 | :51.00 | Ryan Glander (11) | Kingwood High School | Kingwood | TX |
| 73 | :51.00 | Robert Nichols (12) | Ann Arbor Pioneer High School | Ann Arbor | MI |
| 75 | :51.01 | Josh Friedel (10) | Mountainview High School | Stafford | VA |
| 76 | :51.07 | Dan Fitzgerald (12) | Upper Dublin High School | Ft. Washington | PA |
| 77 | :51.10 | Nate Savoy (10) | Wilson High School | West Lawn | PA |
| 78 | :51.11 | Matt Meserole (11) | Westfield High School | Westfield | NJ |
| 78 | :51.11 | Ben Utesch (12) | Ames High School | Ames | IA |
| 80 | :51.13 | Garrett Mulchrone (12) | St. Ignatius College Prep | Chicago | IL |
| 80 | :51.13 | Ryan O'Donnell (9 ) | McFarland High School | McFarland | WI |
| 82 | :51.16 | Ben Whitenack (11) | Healdsburg High School | Healdsburg | CA |
| 83 | :51.19 | Max Horrell (12) | Analy High School | Sebastopol | CA |
| 84 | :51.20 | Alex Lendrum (12) | Brophy College Preparatory | Phoenix | AZ |
| 84 | :51.20 | Robert Swanbeck (11) | Fort Myers High School | Ft. Myers | FL |
| 86 | :51.21 | Drew Bonus (12) | William Penn Charter | Philadelphia | PA |
| 86 | :51.21 | Eric Chiu (12) | Lakeside High School | Evans | GA |
| 86 | :51.21 | Marc Dorsey (11) | Jesuit High School | New Orleans | LA |
| 86 | :51.21 | Kevin Lancki (11) | Valley Forge High School | Parma Heights | OH |
| 90 | :51.22 | Ben Scheffer (10) | Olathe East High School | Olathe | KS |
| 91 | :51.26 | Bobby Bittner (10) | West Carteret High School | Morehead City | NC |
| 92 | :51.27 | Andrew Starr (12) | Albemarle High School | Charlottesville | VA |
| 93 | :51.29 | John Aselton (12) | Plano Senior High School | Plano | TX |
| 94 | :51.30 | Justin Carter (12) | Golden Valley High School | Merced | CA |
| 95 | :51.31 | Josh Jordan (12) | Carmel High School | Carmel | IN |
| 96 | :51.32 | Matthew Buerger (9 ) | North Allegheny High School | Wexford | PA |
| 97 | :51.33 | Nathan Hesche (12) | Jackson High School | Jackson | MI |
| 98 | :51.36 | Brett Boston (11) | Butler High School | Matthews | NC |
| 99 | :51.37 | Peter Lee (12) | Timberline High School | Lacey | WA |
| 99 | :51.37 | Matt McKee (12) | Middletown High School | Middletown | OH |
| 99 | :51.37 | Michael Strand (10) | Chatham High School | Chatham | NJ |
| 102 | :51.38 | William Cobau (10) | La Serna High School | Whittier | CA |
| 103 | :51.40 | Braden Clarke (12) | Horace Greeley High School | Chappaqua | NY |
| 103 | :51.40 | Jacob Schuster (11) | Dublin Scioto High School | Dublin | OH |
| 105 | :51.41 | Kyler Vanswol (11) | Lincoln-Way North High School | Frankfort | IL |
| 106 | :51.42 | Nik Ashtashinsky (11) | Carmel High School | Carmel | IN |
| 106 | :51.42 | Greg Pelton (12) | Loyola Blakefield | Towson | MD |
| 106 | :51.42 | Daniel Schwab (12) | Poway High School | Poway | CA |
| 109 | :51.44 | Tyler Capen (12) | Marmion Academy | Aurora | IL |
| 109 | :51.44 | Andrew Ireland (11) | Coronado High School | Coronado | CA |
| 111 | :51.45 | Matthew L. Millikin (12) | Carlynton High School | Carnegie | PA |
| 112 | :51.50 | Nelson Head (12) | Union High School | Tulsa | OK |
| 112 | :51.50 | Sam Niesen (12) | Middleton High School | Middleton | WI |
| 112 | :51.50 | Jack Pretto (11) | Hotchkiss School | Lakeville | CT |
| 115 | :51.55 | Mason Kinnard (11) | Ygnacio Valley High School | Concord | CA |
| 116 | :51.56 | Sean Haufler (12) | Miramonte High School | Orinda | CA |
| 116 | :51.56 | Aaron Woods (12) | Damien High School | La Verne | CA |
| 118 | :51.57 | Charles Putnam (10) | McLean High School | McLean | VA |
| 119 | :51.58 | Christopher Riley (12) | Farmington High School | Farmington | NM |
| 120 | :51.59 | Jonathan Kim (12) | Stockdale High School | Bakersfield | CA |
| 120 | :51.59 | Kevin Marsteller (12) | York Suburban High School | York | PA |
| 122 | :51.60 | Collin Higgins (10) | The Charlotte Latin School | Charlotte | NC |
| 123 | :51.64 | Bryce Bohman (12) | Moline High School | Moline | IL |
| 124 | :51.65 | Drew Oberg (12) | Spartanburg High School | Spartanburg | SC |
| 125 | :51.66 | Donny Warren (12) | Dubuque Hempstead High School | Dubuque | IA |
| 126 | :51.67 | Chris Corbett (12) | Schaumburg High School | Schaumburg | IL |
| 127 | :51.68 | Wesley Wheeler (12) | Round Rock High School | Round Rock | TX |
| 128 | :51.69 | Sidney Glass (12) | Atlee High School | Mechanicsville | VA |
| 129 | :51.73 | Jeffrey Gomez (12) | Morristown High School | Morristown | NJ |
| 129 | :51.73 | Sam Rairden (12) | Maggie L. Walker Governor's School | Richmond | VA |
| 131 | :51.74 | Nicholas Kunkel (12) | Covington Catholic High School | Park Hills | KY |
| 132 | :51.75 | Chase Bloch (11) | Oaks Christian High School | Westlake Village | CA |
| 133 | :51.76 | Timothy Dasinger (12) | Madison Central High School | Madison | MS |
| 134 | :51.77 | Justin Rossillo (10) | Hamilton Southeastern High School | Fishers | IN |
| 135 | :51.80 | Ryan Arata (9 ) | Lewis-Palmer High School | Monument | CO |
| 136 | :51.82 | Austin Cox (12) | Marmion Academy | Aurora | IL |
| 137 | :51.84 | Hunter Hinson (11) | Brookwood School | Thomasville | GA |
| 137 | :51.84 | Zach McGinnis (12) | Ravenscroft School | Raleigh | NC |
| 139 | :51.86 | Colin Hamilton (10) | The Bolles School | Jacksonville | FL |
| 139 | :51.86 | Joseph Wertz (12) | Hanford High School | Richland | WA |
| 141 | :51.88 | Phil Aronica (11) | Orchard Park High School | Orchard Park | NY |
| 142 | :51.89 | Nick Beaulieu (11) | Regis Jesuit High School | Aurora | CO |
| 142 | :51.89 | Eric Conrad (11) | Sherwood High School | Sandy Spring | MD |
| 144 | :51.90 | Matthew Long (11) | Regis Jesuit High School | Aurora | CO |
| 145 | :51.91 | George Ramsay (11) | W. G. Enloe High School | Raleigh | NC |
| 146 | :51.92 | Casey Fleming (10) | Valley Christian High School | San Jose | CA |
| 146 | :51.92 | Paul Hunter (11) | Andover High School | Andover | MA |
| 146 | :51.92 | Zachary Johnson (12) | Ashland Paul Blazer High School | Ashland | KY |
| 146 | :51.92 | Will Manion (9 ) | Haddonfield Memorial High School | Haddonfield | NJ |
| 150 | :51.93 | McKay King (11) | American Fork High School | American Fork | VT |
| 150 | :51.93 | Nick McGowan (11) | Birmingham Groves High School | Beverly Hills | MI |
| 152 | :51.94 | Jordan Moses (12) | Hamilton High School | Hamilton | MI |
| 153 | :51.96 | Rhoads Worster (11) | LaSalle College High School | Wyndmoor | PA |
| 154 | :51.97 | Steven Gasparini (11) | Cumberland Valley High School | Mechanicsburg | PA |
| 154 | :51.97 | Tyler Lentz (11) | Sauk Prairie-Wisconsin Heights High School | Prairie du Sac | WI |
| 156 | :51.99 | Jes Stephens (9 ) | McDonogh School | Owings Mills | MD |
| 157 | :52.02 | Alec Francis (12) | Boyertown Area High School | Boyertown | PA |
| 158 | :52.03 | Jonahton Benson (11) | Rockhurst Jesuit High School | Kansas City | MO |
| 158 | :52.03 | Christopher Wong (10) | University High School | Irvine | CA |
| 160 | :52.05 | Martin Grodzki (12) | The Baylor School | Chattanooga | TN |
| 160 | :52.05 | Patrick Spearman (12) | McDonogh School | Owings Mills | MD |
| 160 | :52.05 | Davis Staley (9 ) | Fossil Ridge High School | Fort Collins | CO |
| 160 | :52.05 | Taylor Westby (12) | Bishop Kelley High School | Tulsa | OK |
| 164 | :52.06 | Jimmy Chapman (12) | Perkins High School | Sandusky | OH |
| 164 | :52.06 | Harry R. Traystman II (12) | East Lyme High School | East Lyme | CT |
| 166 | :52.07 | Andrew Golankiewicz (11) | Fairfield College Preparatory School | Fairfield | CT |
| 167 | :52.08 | Andrew Cato (10) | Floyd Central High School | Floyds Knobs | IN |
| 167 | :52.08 | Lawrence Dow (12) | T.C. Williams High School | Alexandria | VA |
| 169 | :52.09 | Luca Spinazzola (10) | Narragansett High School | Narragansett | RI |