| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :53.39 | Steven Stumph (12) | Campolindo High School | Moraga | CA |
| 2 | :53.57 | Charlie Wiser (12) | Miramonte High School | Orinda | CA |
| 3 | :53.61 | Nick Silverthorn (11) | Granada High School | Livermore | CA |
| 4 | :53.90 | Curtis Ogren (11) | Saint Francis High School | Mountain View | CA |
| 5 | :54.09 | Andrew Seliskar (10) | Thomas Jefferson High School For Science and Tech | Alexandria | VA |
| 6 | :54.56 | Alexander DeLakis (12) | Eau Claire Memorial North High School | Eau Claire | WI |
| 6 | :54.56 | Nick Hatanaka (12) | Loveland High School | Loveland | CO |
| 8 | :54.64 | Peter Kropp (12) | Loyola High School | Los Angeles | CA |
| 9 | :54.71 | Carsten Vissering (10) | Georgetown Preparatory School | Rockville | MD |
| 10 | :54.81 | Connor Hoppe (12) | Golden Valley High School | Merced | CA |
| 11 | :54.99 | Ross Palazzo (10) | Hudson High School | Hudson | OH |
| 12 | :55.08 | Michael Duderstadt (12) | Mosley High School | Lynn Haven | FL |
| 13 | :55.13 | Zachary Stevens (11) | Arroyo Grande High School | Arroyo Grande | CA |
| 14 | :55.14 | Daniel Le (12) | Northwest Guilford High School | Greensboro | NC |
| 15 | :55.25 | Cody Taylor (11) | Columbus North High School | Columbus | IN |
| 16 | :55.28 | Dylan Payne (12) | Mater Dei High School | Santa Ana | CA |
| 17 | :55.31 | Joshua Ehrman (12) | Saline Area Schools | Saline | MI |
| 18 | :55.42 | Brennen Berger (12) | Carmel High School | Carmel | IN |
| 19 | :55.47 | Chris Klein (12) | Ann Arbor Pioneer High School | Ann Arbor | MI |
| 20 | :55.51 | Marlin Brutkiewicz (12) | UMS-Wright Preparatory School | Mobile | AL |
| 21 | :55.53 | Forrest Davis (12) | The Peddie School | Hightstown | NJ |
| 22 | :55.55 | John Barone (11) | St. Francis DeSales High School | Toledo | OH |
| 23 | :55.57 | Derek Hren (12) | Saint Ignatius High School | Cleveland | OH |
| 24 | :55.61 | Justin Chiu (11) | Mark Keppel High School | Alhambra | CA |
| 25 | :55.66 | Andrew Schuehler (12) | Collingswood High School | Collingswood | NJ |
| 26 | :55.75 | Austin Dickey (12) | Thomas S. Wootton High School | Rockville | MD |
| 27 | :55.80 | Joe Kmak (10) | Serra High School | San Mateo | CA |
| 28 | :55.84 | Thomas McCormick (11) | West Chester Henderson High School | West Chester | PA |
| 29 | :55.86 | Jae Park (11) | New Trier High School | Winnetka | IL |
| 30 | :55.91 | Austin Hirstein (12) | Island Pacific Academy | Kapolei | HI |
| 31 | :55.92 | Jacob Molacek (11) | Creighton Preparatory School | Omaha | NE |
| 32 | :56.02 | Brandon Fiala (12) | Westfield High School | Chantilly | VA |
| 33 | :56.03 | Eric Sande (12) | Stockdale High School | Bakersfield | CA |
| 34 | :56.08 | Devin McCaffrey (12) | J. W. Mitchell High School | New Port Richey | FL |
| 35 | :56.12 | Matt Hooper (12) | East Grand Rapids High School | Grand Rapids | MI |
| 35 | :56.12 | Mike McBryan (11) | LaSalle College High School | Wyndmoor | PA |
| 37 | :56.16 | Matt Salerno (10) | Metea Valley High School | Aurora | IL |
| 38 | :56.24 | Gunther Cassell (10) | Huntington High School | Huntington | NY |
| 39 | :56.31 | Tyler Lin (10) | Corona del Mar High School | Newport Beach | CA |
| 39 | :56.31 | Ryan Sorensen (10) | The Woodlands High School | The Woodlands | TX |
| 41 | :56.33 | Alex Luh (12) | The King's Academy | Sunnyvale | CA |
| 41 | :56.33 | Sean Yeh (11) | Leesville Road High School | Raleigh | NC |
| 43 | :56.34 | Kyle Aerne (12) | Lakes Community High School | Lake Villa | IL |
| 44 | :56.35 | Mathias Porter (11) | Signal Mountain High School | Signal Mountain | TN |
| 45 | :56.41 | Cole Hurwitz (12) | Sunset High School | Portland | OR |
| 46 | :56.42 | Eddie Mapel (12) | Hinsdale Central High School | Hinsdale | IL |
| 47 | :56.45 | Matthew Ankerholz (12) | Seminole High School | Sanford | FL |
| 48 | :56.46 | Travis Greenwald (12) | Muscatine High School | Muscatine | IA |
| 49 | :56.47 | Zack Warner (11) | Montgomery High School | Skillman | NJ |
| 50 | :56.49 | John Mattern (12) | Cherry Creek High School | Englewood | CO |
| 50 | :56.49 | Matt Tanchick (12) | Pittsford Central School | Pittsford | NY |
| 52 | :56.52 | Garrett Clarke (11) | Liverpool High School | Liverpool | NY |
| 52 | :56.52 | Alec Kandt (12) | Simley High School | Inver Grove Heights | MN |
| 54 | :56.53 | Tanner Anderson (12) | Penn High School | Mishawaka | IN |
| 55 | :56.56 | Zachary Yong (12) | University High School | Irvine | CA |
| 56 | :56.58 | John Schihl (11) | Bloomfield Hills Lahser High School | Bloomfield Hills | MI |
| 57 | :56.59 | Stanley Wu (10) | Northgate High School | Walnut Creek | CA |
| 58 | :56.60 | Nick Zito (12) | Addison Trail High School Co-Op | Addison | IL |
| 59 | :56.61 | Derek Kao (11) | Walnut High School | Walnut | CA |
| 60 | :56.66 | Aaron Greenberg (12) | Eden Prairie High School | Eden Prairie | MN |
| 61 | :56.67 | Austin Green (12) | South Charleston High School | South Charleston | WV |
| 61 | :56.67 | Ryan Hausler (12) | Avon Grove High School | West Grove | PA |
| 61 | :56.67 | Hunter Sa-Nguansap (11) | Ruben S. Ayala High School | Chino Hills | CA |
| 64 | :56.69 | Grant Music (12) | Carroll High School | Fort Wayne | IN |
| 64 | :56.69 | Brandon Nguyen (12) | La Canada High School | La Canada - Flintridge | CA |
| 66 | :56.70 | Gage Crosby (12) | Bentonville High School | Bentonville | AR |
| 66 | :56.70 | Alex Straw (11) | Truckee High School | Truckee | CA |
| 68 | :56.73 | Jonathan Pun (11) | Davis Senior High School | Davis | CA |
| 69 | :56.75 | Steve Russo (12) | Saint Xavier High School | Cincinnati | OH |
| 70 | :56.81 | Michael Schiffer (11) | University High School | Irvine | CA |
| 71 | :56.84 | Keanu Interone (12) | Sterling High School | Sterling | IL |
| 71 | :56.84 | Nick LaMontagne (12) | Brookwood High School | Snellville | GA |
| 73 | :56.85 | Alex Goss (12) | Ravenwood High School | Brentwood | TN |
| 74 | :56.87 | Quinn Cassidy (12) | Saint Andrew's School | Boca Raton | FL |
| 75 | :56.88 | Eric Dahlseng (12) | Dassel-Cokato High School | Cokato | MN |
| 76 | :56.91 | Matt Whittle (11) | Davis Senior High School | Davis | CA |
| 77 | :56.94 | Ryan Bailey (12) | Boardman High School | Youngstown | OH |
| 78 | :56.96 | Tim Kou (11) | Bellarmine College Preparatory | San Jose | CA |
| 79 | :56.99 | Clark Lindsay (11) | Birmingham Groves | Beverly Hills | MI |
| 79 | :56.99 | Shota Nakano (12) | Hershey High School | Hershey | PA |
| 81 | :57.00 | Joseph Lozano (11) | Garden City High School | Garden City | NY |
| 82 | :57.01 | Nick Arakelian (11) | Stevenson High School | Livonia | MI |
| 83 | :57.02 | Mathew Quinlan (12) | Michigan City High School | Michigan City | IN |
| 84 | :57.04 | Ian Reardon (12) | Upper Arlington High School | Upper Arlington | OH |
| 85 | :57.05 | Ben Cono (11) | Smithown Central Schools | Smithtown | NY |
| 85 | :57.05 | Aaron Sexton (12) | Ballard High School | Louisville | KY |
| 87 | :57.07 | Christian Kubo (12) | Hilo High School | Hilo | HI |
| 88 | :57.08 | Liam Sosinsky (12) | Kamiak High School | Mukilteo | WA |
| 89 | :57.09 | Josh Gill (12) | Dubuque Senior High School | Dubuque | IA |
| 90 | :57.11 | Gunner Braden (12) | Boulder City High School | Boulder City | NV |
| 91 | :57.12 | Ben Albert (12) | Burnsville Senior High School | Burnsville | MN |
| 92 | :57.15 | Michael Netto (11) | Watertown High School | Watertown | NY |
| 93 | :57.16 | Pierce Bartine (12) | Seven Lakes High School | Katy | TX |
| 94 | :57.17 | Josh Lamb (12) | Klein Oak High School | Spring | TX |
| 95 | :57.18 | John Corley (12) | Justin-Siena High School | Napa | CA |
| 96 | :57.19 | Robert Thomas (12) | Westlake High School | Austin | TX |
| 97 | :57.21 | Trenton Harper (12) | Thomas Worthington High School | Worthington | OH |
| 98 | :57.23 | Safa Anya (10) | Lamar High School | Houston | TX |
| 99 | :57.25 | Jack Wallar (11) | Chesterton High School | Chesterton | IN |
| 100 | :57.26 | Blaine Nichols (12) | Carroll High School | Fort Wayne | IN |