| Place | Time | Swimmer (Yr) | School | City | State |
| 1 | :45.52 | Joseph Schooling (12) | The Bolles School | Jacksonville | FL |
| 2 | :46.31 | Aaron Whitaker (12) | Chesterton High School | Chesterton | IN |
| 3 | :47.09 | Andrew Liang (12) | Palo Alto High School | Palo Alto High School | CA |
| 4 | :47.26 | Gunnar Bentz (12) | St. Pius X Catholic High School | Atlanta | GA |
| 5 | :47.44 | Ryan Dudzinski (11) | Upper St. Clair High School | Pittsburgh | PA |
| 6 | :47.53 | Corey Okubo (12) | University High School | Irvine | CA |
| 7 | :47.76 | Ryan Nicholson (12) | Ithaca High School | Ithaca | NY |
| 8 | :47.84 | R J Hemmingsen (12) | Lewis Central High School | Council Bluffs | IA |
| 9 | :48.01 | Michael Jensen (10) | Upper Dublin High School | Fort Washington | PA |
| 10 | :48.18 | Ian Finnerty (11) | Bloomington High School South | Bloomington | IN |
| 10 | :48.18 | Ryan Hoffer (9 ) | Chaparral High School | Scottsdale | AZ |
| 12 | :48.19 | Patrick Park (12) | The Peddie School | Hightstown | NJ |
| 13 | :48.30 | Mason Miller (11) | Westerville North High School | Westerville | OH |
| 13 | :48.30 | Matt Whittle (12) | Davis Senior High School | Davis | CA |
| 15 | :48.41 | Steven Tan (12) | Illinois Math And Science Academy | Aurora | IL |
| 16 | :48.52 | Kevin Wylder (12) | Granite Bay High School | Granite Bay | CA |
| 17 | :48.55 | Anthony Kim (10) | Albuquerque Academy | Albuquerque | NM |
| 18 | :48.57 | Brent Benedict (11) | Corry Area High School | Corry | PA |
| 19 | :48.58 | Max Holter (11) | Fort Collins High School | Fort Collins | CO |
| 20 | :48.59 | Arjun Sharma (11) | The College Preparatory School | Oakland | CA |
| 21 | :48.63 | Kyle Coan (12) | Los Osos High School | Rancho Cucamonga | CA |
| 21 | :48.63 | Wade Nelson (12) | Edison High School | Huntington Beach | CA |
| 23 | :48.69 | Grant Goddard (11) | Georgetown Preparatory School | North Bethesda | MD |
| 24 | :48.73 | Matthew Harrington (11) | Libertyville High School | Libertyville | IL |
| 25 | :48.76 | Harrison Jones (11) | Travis B. Bryan High School | Bryan | TX |
| 26 | :48.79 | Bowen Anderson (11) | Penn High School | Mishawaka | IN |
| 27 | :48.80 | Jack Brenneman (12) | Cumberland Valley High School | Mechanicsburg | PA |
| 27 | :48.80 | Kyle Grissom (11) | Porterville High School | Porterville | CA |
| 29 | :48.82 | Cameron Craig (10) | Monroe High School | Monroe | MI |
| 30 | :48.83 | Justin Plaschka (12) | Hauppauge High School | Hauppauge | NY |
| 31 | :48.85 | Jason Rodriguez (12) | Northwood High School | Irvine | CA |
| 32 | :48.89 | Alex Snarski (12) | Libertyville High School | Libertyville | IL |
| 33 | :48.98 | Grant Watson (10) | The College Preparatory School | Oakland | CA |
| 34 | :49.01 | Justin Wu (11) | Norman North High School | Norman | OK |
| 35 | :49.03 | Michael Salazar (11) | Valhalla High School | El Cajon | CA |
| 36 | :49.04 | Alexander Lewis (12) | Greenwich High School | Greenwich | CT |
| 37 | :49.05 | Joe Shepley (12) | Phillips Exeter Academy | Exeter | NH |
| 38 | :49.06 | Franco Reyes (9 ) | Hinsdale Central High School | Hinsdale | IL |
| 39 | :49.09 | Jake Markham (12) | Cherry Creek High School | Englewood | CO |
| 40 | :49.10 | Miles Smachlo (10) | Deerfield Academy | Deerfield | MA |
| 41 | :49.12 | Todd McCarthy (12) | Bellevue High School | Bellevue | WA |
| 42 | :49.15 | Jonathan Roberts (12) | Southlake Carroll High School | Southlake | TX |
| 43 | :49.18 | Justin Wright (12) | Clovis West High School | Fresno | CA |
| 44 | :49.19 | Javier Lopez (11) | San Marino High School | San Marino | CA |
| 45 | :49.22 | John Magnus Holler (11) | Cibola High School | Albuquerque | NM |
| 46 | :49.23 | John Vann (11) | Battle Creek Lakeview High School | Battle Creek | MI |
| 47 | :49.26 | Grant Shoults (10) | Santa Margarita Catholic High School | Rancho Santa Margarita | CA |
| 48 | :49.27 | Noah Hensley (11) | Oviedo High School | Oviedo | FL |
| 49 | :49.38 | Maxime Rooney (10) | Granada High School | Livermore | CA |
| 50 | :49.39 | Chris Radomski (12) | Texas High School | Texarkana | TX |
| 51 | :49.40 | RJ Williams (11) | Terra Linda High School | San Rafael | CA |
| 52 | :49.45 | Ethan Young (10) | Dalton High School | Dalton | GA |
| 53 | :49.46 | Christopher Staka (10) | Aptos High School | Aptos | CA |
| 54 | :49.48 | William Steele (11) | Seven Lakes High School | Katy | TX |
| 55 | :49.49 | Drew Dvorchak (12) | Neuqua Valley High School | Naperville | IL |
| 55 | :49.49 | Stewart Harrison (12) | Ventura High School | Ventura | CA |
| 57 | :49.50 | Peter Simcox (12) | Saint Ignatius High School | Cleveland | OH |
| 58 | :49.52 | Cole McGarry (11) | Lake Braddock Secondary School | Burke | VA |
| 58 | :49.52 | Mason Tittle (11) | Northgate High School | Walnut Creek | CA |
| 60 | :49.53 | Gust Kouvaris (11) | Brother Rice High School | Bloomfield Hills | MI |
| 61 | :49.54 | Zachary Buerger (12) | North Allegheny Senior High School | Wexford | PA |
| 62 | :49.55 | Jolen Griffin (9 ) | Campolindo High School | Moraga | CA |
| 63 | :49.56 | Daichi Matsuda (10) | Gunn High School | Palo Alto | CA |
| 64 | :49.57 | Zach Harting (11) | Bob Jones High School | Madison | AL |
| 64 | :49.57 | Danny Hartley (12) | Jensen Beach High School | Jensen Beach | FL |
| 64 | :49.57 | Jacob Molacek (12) | Creighton Preparatory School | Omaha | NE |
| 67 | :49.59 | Bryce Keblish (11) | Fairfield College Preparatory School | Fairfield | CT |
| 68 | :49.62 | Carlos Hunnicutt (12) | Springfield High School | Springfield | OR |
| 69 | :49.63 | Jack Baldoni (12) | Colfax High School | Colfax | CA |
| 70 | :49.64 | Javier Barrena Lorono (11) | The Bolles School | Jacksonville | FL |
| 71 | :49.66 | Manuel Barragan (12) | Palm Harbor University High School | Palm Harbor | FL |
| 71 | :49.66 | Ben Ussery (12) | Westlake High School | Austin | TX |
| 73 | :49.68 | Yu-Bin Kim (12) | Westlake High School | Westlake Village | CA |
| 73 | :49.68 | Tim Wynter (12) | Phillips Academy | Andover | MA |
| 75 | :49.70 | Zachary Fong (11) | Moorestown High School | Moorestown | NJ |
| 75 | :49.70 | Christopher Nolan (12) | Corcoran High School | Corcoran | CA |
| 77 | :49.74 | Colter Allen (12) | Fridley High School | Fridley | MN |
| 78 | :49.75 | Matthew Thomas (10) | Valley Christian High School | San Jose | CA |
| 79 | :49.78 | Alexander Martin (10) | Moorestown High School | Moorestown | NJ |
| 80 | :49.80 | Greg Nymberg (12) | Archbishop Moeller High School | Cincinnati | OH |
| 81 | :49.82 | Jack Montesi (10) | Greenwich High School | Greenwich | CT |
| 81 | :49.82 | Andrey Tretyakov (9 ) | Bob Jones High School | Madison | AL |
| 83 | :49.83 | Tommy Kealy (12) | Wilton High School | Wilton | CT |
| 83 | :49.83 | Brian Poon (11) | Westford Academy | Westford | MA |
| 83 | :49.83 | Jonathan Ratliff (12) | Mosley High School | Lynn Haven | FL |
| 83 | :49.83 | Tristan Versteeg (12) | McMinnville High School | McMinnville | OR |
| 87 | :49.84 | Jessie Kim (12) | Valencia High School | Valencia | CA |
| 88 | :49.85 | William McKinney (12) | The Bolles School | Jacksonville | FL |
| 89 | :49.86 | Matthew Charcarz (12) | Capistrano Valley High School | Mission Viejo | CA |
| 90 | :49.91 | Ryan Burcham (12) | Bearden High School | Knoxville | TN |
| 91 | :49.98 | Ryan Kao (12) | John F. Kennedy High School | La Palma | CA |
| 91 | :49.98 | Duncan Lee (10) | Plano Senior High School | Plano | TX |
| 91 | :49.98 | Joon Sung (10) | Loyola High School | Los Angeles | CA |
| 94 | :49.99 | Henry Fauls (12) | St. Christopher's School | Richmond | VA |
| 94 | :49.99 | Marshall Heskin (10) | Prior Lake High School | Savage | MN |
| 96 | :50.01 | Anton Loncar (12) | Liberty High School | Hillsboro | OR |
| 96 | :50.01 | Ryan Tate (11) | Creighton Preparatory School | Omaha | NE |
| 98 | :50.03 | Jared Chulavatr (10) | Lambert High School | Suwanee | GA |
| 98 | :50.03 | Ben Gebhart (10) | Madison Memorial High School | Madison | WI |
| 100 | :50.04 | Luke Mankus (11) | Keller High School | Keller | TX |
| 100 | :50.04 | Alex Trompke (12) | Rocky Mountain High School | Boise | ID |