| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :52.92 | Jacob Molacek (12) | Creighton Preparatory School | Omaha | NE |
| 2 | :53.06 | Connor Hoppe (12) | Golden Valley High School | Merced | CA |
| 3 | :53.24 | Andrew Seliskar (11) | Thomas Jefferson High School for Science and Tech | Alexandria | VA |
| 4 | :53.49 | Carsten Vissering (11) | Georgetown Preparatory School | North Bethesda | MD |
| 5 | :53.81 | Curtis Ogren (12) | Saint Francis High School | Mountain View | CA |
| 6 | :54.24 | Cody Taylor (12) | Columbus North High School | Columbus | IN |
| 7 | :54.31 | Nick Silverthorn (12) | Granada High School | Livermore | CA |
| 8 | :54.54 | Carson Sand (11) | Castro Valley High School | Castro Valley | CA |
| 9 | :54.72 | Ben Cono (12) | Smithtown Central Schools | Smithtown | NY |
| 10 | :54.87 | Hank Poppe (10) | San Ramon Valley High School | Danville | CA |
| 11 | :54.88 | Christian Lorenz (12) | Avon High School | Avon | IN |
| 12 | :54.89 | Zack Warner (12) | Montgomery High School | Skillman | NJ |
| 13 | :54.91 | Ian Finnerty (11) | Bloomington High School South | Bloomington | IN |
| 14 | :54.92 | Thomas McCormick (12) | West Chester Henderson High School | West Chester | PA |
| 15 | :54.97 | Mike McBryan (12) | LaSalle College High School | Wyndmoor | PA |
| 16 | :55.08 | Joe Kmak (11) | Serra High School | San Mateo | CA |
| 17 | :55.13 | Gunther Cassell (11) | Huntington High School | Huntington | NY |
| 18 | :55.19 | Ross Palazzo (11) | Hudson High School | Hudson | OH |
| 19 | :55.24 | Todd Owen (12) | Ballard High School | Louisville | KY |
| 20 | :55.35 | Zachary Stevens (12) | Arroyo Grande High School | Arroyo Grande | CA |
| 21 | :55.39 | John Schihl (12) | Bloomfield Hills High School | Bloomfield Hills | MI |
| 22 | :55.44 | Matthew Anderson (11) | Arcadia High School | Phoenix | AZ |
| 23 | :55.56 | Ryan Sorensen (11) | The Woodlands High School | The Woodlands | TX |
| 24 | :55.72 | Clark Lindsay (12) | Birmingham Groves High School | Beverly Hills | MI |
| 25 | :55.73 | Rex Riley (10) | Cathedral Preparatory School | Erie | PA |
| 26 | :55.76 | Justin Chiu (12) | Mark Keppel High School | Alhambra | CA |
| 27 | :55.77 | Dustin Tynes (12) | The Baylor School | Chattanooga | TN |
| 27 | :55.77 | Xinghao Wang (12) | Grand Ledge High School | Grand Ledge | MI |
| 29 | :55.78 | Chandler Bray (10) | Avon High School | Avon | IN |
| 30 | :55.79 | Stanley Wu (11) | Northgate High School | Walnut Creek | CA |
| 31 | :55.88 | Jordan O'Brien (11) | Metea Valley High School | Aurora | IL |
| 32 | :55.89 | Matt Salerno (11) | Metea Valley High School | Aurora | IL |
| 33 | :55.90 | Hunter Sa-Nguansap (12) | Ruben S. Ayala High School | Chino Hills | CA |
| 34 | :55.96 | Jonathan Stoller (12) | Northridge High School | Middlebury | IN |
| 35 | :55.97 | Judd Howard (11) | University High School | Irvine | CA |
| 35 | :55.97 | Jonathan Panchak (12) | Los Gatos High School | Los Gatos | CA |
| 37 | :55.99 | Jae Park (12) | New Trier High School | Winnetka | IL |
| 38 | :56.04 | Blair Bish (11) | Little Rock Central High School | Little Rock | AR |
| 38 | :56.04 | Angelo Migs Martin (10) | William H. Taft High School | San Antonio | TX |
| 40 | :56.06 | Joey Gardner (11) | Munster High School | Munster | IN |
| 41 | :56.13 | Levi Brock (12) | Indian Creek High School | Trafalgar | IN |
| 42 | :56.17 | William Monjay (11) | Northwood High School | Irvine | CA |
| 43 | :56.21 | Kyle White (12) | Cheyenne Central High School | Cheyenne | WY |
| 44 | :56.25 | Joseph Schooling (12) | The Bolles School | Jacksonville | FL |
| 45 | :56.26 | Safa Anya (11) | Mirabeau B. Lamar High School | Houston | TX |
| 45 | :56.26 | Daniel Chang (10) | Science Hill High School | Johnson City | TN |
| 45 | :56.26 | Ben Service (12) | West Chester Bayard Rustin High School | West Chester | PA |
| 45 | :56.26 | Connor Turkatte (12) | University High School | San Francisco | CA |
| 49 | :56.27 | Michael Eaton (12) | St. Clairsville High School | St. Clairsville | OH |
| 50 | :56.32 | Jack Russell (11) | Birmingham Seaholm High School | Birmingham | MI |
| 51 | :56.33 | Jonathan Pun (12) | Davis Senior High School | Davis | CA |
| 52 | :56.34 | Wyatt Amdor (11) | Perkiomen Valley | Collegeville | PA |
| 52 | :56.34 | Ryan Lee (12) | Westlake High School | Westlake Village | CA |
| 54 | :56.38 | Justin Winnett (12) | Johnston High School | Johnston | IA |
| 55 | :56.39 | Charles Vaughan (9 ) | West Lafayette High School | West Lafayette | IN |
| 56 | :56.41 | Garrett Clarke (12) | Liverpool High School | Liverpool | NY |
| 57 | :56.42 | Michael Schiffer (12) | University High School | Irvine | CA |
| 58 | :56.44 | Quinn Smith (12) | Deerfield Academy | Deerfield | MA |
| 59 | :56.46 | Paul DeLakis (9 ) | Eau Claire Memorial/North High School | Eau Claire | WI |
| 60 | :56.48 | Bryan Hahn (12) | Washburn Rural High School | Topeka | KS |
| 61 | :56.49 | Levi Jensen (12) | Kelly Walsh High School | Casper | WY |
| 62 | :56.50 | Thomas Ferry (12) | The Peddie School | Hightstown | NJ |
| 62 | :56.50 | Grayson Smith (12) | James Madison High School | Vienna | VA |
| 64 | :56.52 | Tommy Brewer (11) | Summit High School | Bend | OR |
| 65 | :56.54 | Alexander Hsing (10) | Harvard-Westlake School | Studio City | CA |
| 65 | :56.54 | Chase Vennefron (12) | Covington Catholic High School | Park Hills | KY |
| 67 | :56.56 | Jacob Kaskel (12) | Norfolk Academy | Norfolk | VA |
| 68 | :56.60 | Brandon Colonis (12) | West Lafayette High School | West Lafayette | IN |
| 68 | :56.60 | Timothy Kou (11) | Bellarmine College Preparatory | San Jose | CA |
| 70 | :56.63 | Nick Stachel (11) | LaSalle College High School | Wyndmoor | PA |
| 71 | :56.65 | Michael Netto (12) | Watertown High School | Watertown | NY |
| 72 | :56.66 | Casey Melzer (11) | North Allegheny Senior High School | Wexford | PA |
| 72 | :56.66 | Luke Otto (12) | Canisius High School | Buffalo | NY |
| 72 | :56.66 | Zachary Stump (11) | Alfred M. Barbe High School | Lake Charles | LA |
| 75 | :56.67 | Ethan Bahl (12) | Minot High School | Minot | ND |
| 75 | :56.67 | Ethan Browne (11) | MTHEA | Franklin | TN |
| 75 | :56.67 | Jack Wallar (12) | Chesterton High School | Chesterton | IN |
| 78 | :56.70 | Matt Whittle (12) | Davis Senior High School | Davis | CA |
| 79 | :56.72 | James Daugherty (9 ) | The Bolles School | Jacksonville | FL |
| 80 | :56.74 | Tyler Ocasio-Pare (11) | Redlands High School | Redlands | CA |
| 81 | :56.75 | William Schrensky (10) | Carroll High School | Fort Wayne | IN |
| 82 | :56.77 | Marcello Quarante (11) | Chaparral High School | Scottsdale | AZ |
| 83 | :56.79 | Thomas Kim (11) | Allen High School | Allen | TX |
| 83 | :56.79 | Basil Orr (12) | St. Pius X Catholic High School | Atlanta | GA |
| 85 | :56.80 | Mathias Porter (12) | Signal Mountain High Scool | Signal Mountain | TN |
| 86 | :56.81 | Cooper Hodge (10) | Archbishop Moeller High School | Cincinnati | OH |
| 87 | :56.82 | Trent Pellini (9 ) | Dana Hills High School | Dana Point | CA |
| 88 | :56.85 | Patrick Tippen (12) | Solon High School | Solon | OH |
| 89 | :56.87 | Joseph Lozano (12) | Garden City High School | Garden City | NY |
| 90 | :56.90 | Spencer Davidson (11) | Warsaw Community High School | Warsaw | IN |
| 90 | :56.90 | Ayrton Kasemets (12) | Mundelein High School | Mundelein | IL |
| 90 | :56.90 | Humphrey Pruett (11) | The Blake School | Hopkins | MN |
| 93 | :56.92 | Cooper Tollen (12) | Upper Dublin High School | Fort Washington | PA |
| 94 | :56.97 | Harrison Gu (12) | Winston Churchill High School | Potomac | MD |
| 94 | :56.97 | Stephen Lee (12) | Walled Lake Central High School | Walled Lake | MI |
| 96 | :56.99 | Tarik Lott (12) | McDonogh School | Owings Mills | MD |
| 97 | :57.00 | Sean Finlay (10) | LaSalle College High School | Wyndmoor | PA |
| 98 | :57.01 | Brenner Hohenstein (11) | Maple Grove High School | Maple Grove | MN |
| 99 | :57.02 | Christopher Havton (11) | University High School | Irvine | CA |
| 100 | :57.07 | Keven Shang (10) | Monta Vista High School | Cupertino | CA |
| 100 | :57.07 | Quinlan Stuart (11) | Regis Jesuit High School | Aurora | CO |
| 100 | :57.07 | Alex Taylor (10) | Brookwood High School | Snellville | GA |