| Place | Time | Swimmer (Grade) | School | City | State |
| 1 | :19.74 | Giles Smith (12) | McDonogh School | Owings Mills | MD |
| 2 | :19.84 | Hebie Behm (12) | Catalina Foothills High School | Tucson | AZ |
| 3 | :19.89 | Shayne Fleming (11) | Valley Christian High School | San Jose | CA |
| 4 | :20.03 | Eric Bruck (12) | Paul Laurence Dunbar High School | Lexington | KY |
| 5 | :20.16 | Ryan Hanni (12) | Los Altos High School | Los Altos | CA |
| 6 | :20.18 | Dominik Cubelic (11) | Glenbrook South High School | Glenview | IL |
| 6 | :20.18 | Kevin Overholt (12) | Neuqua Valley High School | Naperville | IL |
| 8 | :20.24 | T.J. Leon (11) | UMS-Wright Preparatory School | Mobile | AL |
| 9 | :20.31 | Eric Huffman (12) | Upper Arlington High School | Columbus | OH |
| 10 | :20.32 | Morgan Henderson-Kunz (12) | Westview High School | Portland | OR |
| 10 | :20.32 | Andrew Latimer (12) | Tamalpais High School | Mill Valley | CA |
| 12 | :20.41 | Jamie Grennan (12) | Delaware Valley High School | Milford | PA |
| 12 | :20.41 | Sam Hoekstra (12) | Grandville High School | Grandville | MI |
| 14 | :20.43 | Austin Wilson (12) | Kingwood High School | Kingwood | TX |
| 15 | :20.50 | Paul Leonhardt (11) | Plano Senior High School | Plano | TX |
| 16 | :20.52 | Jacob Hartley (11) | Coronado High School | El Paso | TX |
| 17 | :20.53 | Ben Griggs (12) | Fargo South High School | Fargo | ND |
| 17 | :20.53 | Matt Pircon (11) | Marmion Academy | Aurora | IL |
| 17 | :20.53 | Matthew Schlytter (12) | Allen D. Nease High School | Ponte Vedra | FL |
| 20 | :20.56 | Tom Shields (12) | Edison High School | Huntington Beach | CA |
| 21 | :20.58 | Forrest Hughes (12) | Brazosport High School | Freeport | TX |
| 22 | :20.60 | Tommy Gutman (11) | The Bolles School | Jacksonville | FL |
| 23 | :20.61 | Shane Austin (11) | Unionville High School | Kennett Square | PA |
| 24 | :20.62 | Ben Anderson (10) | Austin High School | Austin | TX |
| 24 | :20.62 | Tyler Fozkos (10) | Chesterton High School | Chesterton | IN |
| 26 | :20.66 | Ryan Bubb (11) | Lincoln East High School | Lincoln | NE |
| 27 | :20.67 | Kerrington Hill (11) | Round Rock High School | Round Rock | TX |
| 28 | :20.68 | Matthew Margritier (10) | Rockhurst Jesuit High School | Kansas City | MO |
| 28 | :20.68 | John Wilson (12) | Carl Sandburg High School | Orland Park | IL |
| 30 | :20.69 | Tony Cox (12) | Bishop Alemany High School | Mission Hills | CA |
| 30 | :20.69 | Oliver Lee (11) | Deerfield Academy | Deerfield | MA |
| 30 | :20.69 | Kevin Marsteller (12) | York Suburban High School | York | PA |
| 33 | :20.70 | Cole Davis (11) | Harker School | San Jose | CA |
| 33 | :20.70 | Pat Sullivan (12) | Gonzaga College High School | Washington, DC | DC |
| 35 | :20.71 | Josh Samuels (12) | Villa Park High School | Villa Park | CA |
| 36 | :20.73 | Devon Meeks (11) | Rosemount High School | Rosemount | MN |
| 36 | :20.73 | Mark Stepanian (12) | Blackhawk High School | Beaver Falls | PA |
| 38 | :20.74 | Niklas Brinck (10) | Nixa High School | Nixa | MO |
| 38 | :20.74 | Tim Squires (11) | Buckhannon-Upshur High School | Buckhannon | WV |
| 40 | :20.75 | Nick Dillinger (9 ) | Campbell County High School | Gillette | WY |
| 41 | :20.77 | Stuart Ferguson (12) | The Collegiate School | Richmond | VA |
| 41 | :20.77 | Joe Jeffers (12) | New Trier High School | Winnetka | IL |
| 43 | :20.78 | Chase Bloch (11) | Oaks Christian High School | Westlake Village | CA |
| 43 | :20.78 | Andrew Kosic (10) | West Chester Henderson High School | West Chester | PA |
| 45 | :20.79 | Jacob Pearce (10) | Jenks High School | Jenks | OK |
| 45 | :20.79 | Daniel Sweeney (12) | New Canaan High School | New Canaan | CT |
| 47 | :20.80 | John Wojciechowski (11) | Brophy College Preparatory | Phoenix | AZ |
| 48 | :20.81 | John Dalton (12) | Arvada West High School | Arvada | CO |
| 48 | :20.81 | Romain DeCrop (9 ) | Emmaus High School | Emmaus | PA |
| 48 | :20.81 | Michael Matchett (12) | Dana Hills High School | Dana Point | CA |
| 48 | :20.81 | Brian Sweeney (11) | McDonogh School | Owings Mills | MD |
| 52 | :20.82 | Clint Johnson (12) | Yucaipa High School | Yucaipa | CA |
| 53 | :20.83 | Drew Coffin (12) | Zeeland Public Schools | Zeeland | MI |
| 53 | :20.83 | Steve Gallagher (12) | Wilson High School | West Lawn | PA |
| 53 | :20.83 | Joe Hladik (12) | Lyons Township High School | LaGrange | IL |
| 53 | :20.83 | Jon Nunez (11) | Fort Myers High School | Ft. Myers | FL |
| 57 | :20.84 | Brian Barrett (12) | New Albany High School | New Albany | OH |
| 57 | :20.84 | Josh Geschwendt (12) | Zeeland Public Schools | Zeeland | MI |
| 59 | :20.86 | Trice Bailey (12) | Seminole High School | Sanford | FL |
| 59 | :20.86 | Matt Friede (11) | Sauk Prairie-Wisconsin Heights High School | Prairie du Sac | WI |
| 59 | :20.86 | Lucas Koenig (12) | Wausau East High School | Wausau | WI |
| 62 | :20.88 | Chris Johnson (12) | Lake Central High School | St. John | IN |
| 62 | :20.88 | Billy Kunkel (12) | Omaha Creighton Prep | Omaha | NE |
| 62 | :20.88 | Robbie Parker (12) | James Madison High School | Vienna | VA |
| 62 | :20.88 | Blair Schiller (10) | The Bolles School | Jacksonville | FL |
| 66 | :20.89 | Jordan Huff (12) | Dubuque Senior High School | Dubuque | IA |
| 67 | :20.90 | Sean Fletcher (12) | James Madison High School | Vienna | VA |
| 67 | :20.90 | Zachary Holmes (12) | Mirabeau B. Lamar High School | Houston | TX |
| 67 | :20.90 | Demetri Karedis (12) | Parkland High School | Allentown | PA |
| 70 | :20.91 | Jacob Johnson (11) | Shenendehowa High School | Clifton Park | NY |
| 70 | :20.91 | Zane Rowland (12) | Covington Catholic High School | Park Hills | KY |
| 70 | :20.91 | Wyatt Ubellacker (12) | Scott County High School | Georgetown | KY |
| 70 | :20.91 | Matt Voell (12) | Cherry Creek High School | Englewood | CO |
| 74 | :20.92 | Chris Myers (12) | La Canada High School | La Canada | CA |
| 75 | :20.93 | Alex Merrill (11) | Los Alamitos High School | Los Alamitos | CA |
| 75 | :20.93 | Jordan Rees (11) | Wharton High School | Tampa | FL |
| 77 | :20.94 | Coy Bryant (12) | Texas High School | Texarkana | TX |
| 77 | :20.94 | Blake Cushing (12) | Saint Mary's College High School | Berkeley | CA |
| 77 | :20.94 | James Wells (11) | Morse High School | Bath | ME |
| 80 | :20.95 | Jake Brown (12) | Flower Mound High School | Flower Mound | TX |
| 80 | :20.95 | David Nolan (10) | Hershey High School | Hershey | PA |
| 80 | :20.95 | Nick Schuttinger (11) | St. Charles Prep School | Columbus | OH |
| 80 | :20.95 | Nick Smith (12) | St. Charles North High School | St. Charles | IL |
| 84 | :20.96 | Sean Fitzgerald (12) | Brebeuf Jesuit Preparatory School | Indianapolis | IN |
| 84 | :20.96 | Zach Ingold (11) | Woodberry Forest School | Woodberry Forest | VA |
| 84 | :20.96 | Andrew Saeta (12) | Polytechnic School | Pasadena | CA |
| 84 | :20.96 | John Sevier (12) | Washington High School | Cedar Rapids | IA |
| 88 | :20.97 | Chris DeLetto (12) | Glenbrook South High School | Glenview | IL |
| 88 | :20.97 | Jesse Martucci (12) | Emmaus High School | Emmaus | PA |
| 88 | :20.97 | Ellis Miller (11) | Siloam Springs High School | Siloam Springs | AR |
| 88 | :20.97 | Nicholas Thomson (11) | Mercersburg Academy | Mercersburg | PA |
| 88 | :20.97 | Clay Youngquist (10) | Battle Creek Lakeview High School | Battle Creek | MI |
| 93 | :20.98 | Paschall Davis (12) | Montgomery Bell Academy | Nashville | TN |
| 93 | :20.98 | Joshua Meints (12) | Freedom High School | Oakley | CA |
| 93 | :20.98 | Joe Stitts (12) | Carlsbad High School | Carlsbad | CA |
| 96 | :20.99 | Brandon Faust (12) | Redlands East Valley High School | Redlands | CA |
| 96 | :20.99 | Cameron Martin (12) | Clearwater Central Catholic | Clearwater | FL |
| 98 | :21.01 | Wade Allen (10) | Davis Senior High School | Davis | CA |
| 98 | :21.01 | Timothy Schaake (12) | Pomperaug High School | Southbury | CT |
| 100 | :21.02 | Nathan Kinney (11) | Hamilton Southeastern High School | Fishers | IN |
| 100 | :21.02 | Paul Murray (12) | American Heritage School Boca/Delray | Delray Beach | FL |
| 100 | :21.02 | Greg Roop (12) | The Baylor School | Chattanooga | TN |
| 103 | :21.03 | Julius Espiritu (12) | Bellarmine College Preparatory | San Jose | CA |
| 103 | :21.03 | Kevin Moran (12) | Lockport Township High School | Lockport | IL |
| 105 | :21.05 | Keanu Stevenson (10) | Castle High School | Newburgh | IN |
| 105 | :21.05 | Mick White (11) | Rockhurst Jesuit High School | Kansas City | MO |
| 105 | :21.05 | David Wilson (12) | Hillsborough High School | Hillsborough | NJ |
| 105 | :21.05 | Cole Worsley (12) | Moffat County High School | Craig | CO |
| 105 | :21.05 | Benjamin Ziolkowski (12) | New Prairie High School | New Carlisle | IN |
| 110 | :21.07 | David Clark (12) | McCallie School | Chattanooga | TN |
| 110 | :21.07 | Dan Farrell (12) | Yorktown High School | Yorktown | IN |
| 110 | :21.07 | Piankhi Gibson (11) | Acalanes High School | Lafayette | CA |
| 110 | :21.07 | Stefan Knight (10) | La Costa Canyon High School | Carlsbad | CA |
| 110 | :21.07 | Ryan Stahley (11) | Emmaus High School | Emmaus | PA |
| 110 | :21.07 | Kevin Vallario (12) | Our Lady of Good Counsel | Olney | MD |
| 110 | :21.07 | Seth Weil (12) | Saint Andrew's School | Boca Raton | FL |
| 117 | :21.08 | Ken Tiltges (12) | St. Charles East High School | St. Charles | IL |
| 117 | :21.08 | Nathan Welchlin (12) | Blue Valley Northwest High School | Overland Park | KS |
| 119 | :21.09 | David Sanders (12) | Archbishop Moeller High School | Cincinnati | OH |
| 120 | :21.10 | Jonathan Buerger (11) | North Allegheny High School | Wexford | PA |
| 120 | :21.10 | Tyler Evans (12) | Sauk Prairie-Wisconsin Heights High School | Prairie du Sac | WI |
| 120 | :21.10 | Andrew McIntyre (12) | Norfolk Academy | Norfolk | VA |
| 120 | :21.10 | Joel Ramirez (12) | Sonora High School | La Habra | CA |
| 120 | :21.10 | Mitch Taylor (12) | Johnston High School | Johnston | IA |
| 125 | :21.11 | Andrew Sideras (11) | LaSalle College High School | Wyndmoor | PA |
| 125 | :21.11 | Jacob Taylor (11) | Mountain Crest High School | Hyrum | UT |
| 125 | :21.11 | Troy Tillman (11) | Notre Dame High School | Chattanooga | TN |
| 128 | :21.12 | Michael Bishop (12) | Houston Stratford High School | Houston | TX |
| 128 | :21.12 | Zach Chow (11) | Muhlenberg High School | Laureldale | PA |
| 128 | :21.12 | Daniel Foky (12) | Charlottesville High School | Charlottesville | VA |
| 128 | :21.12 | Ross Schofield (12) | Greenwich High School | Greenwich | CT |
| 128 | :21.12 | William Varley (12) | Father Ryan High School | Nashville | TN |
| 133 | :21.13 | Joe Bueno (12) | Franklin High School | El Paso | TX |
| 133 | :21.13 | Hunter Cwalinski (12) | Cardinal Gibbons High School | Fort Lauderdale | FL |
| 133 | :21.13 | Chris Faux (12) | Westminster Schools | Atlanta | GA |
| 133 | :21.13 | Peter Fittin (11) | Peddie School | Hightstown | NJ |
| 133 | :21.13 | Mike Wallace (12) | Bloomsburg Area School District | Bloomsburg | PA |
| 138 | :21.14 | Mac Anthony (11) | The Collegiate School | Richmond | VA |
| 138 | :21.14 | Paul Bimmler (12) | Austin Preparatory School | Reading | MA |
| 138 | :21.14 | Rex Butler (11) | Coronado High School | Coronado | CA |
| 138 | :21.14 | Thomas Fellowes (11) | Pepper Pike Orange High School | Pepper Pike | OH |
| 138 | :21.14 | Daniel Kanorr (12) | Connersville High School | Connersville | IN |
| 138 | :21.14 | Garren Riechel (11) | Snohomish High School | Snohomish | WA |
| 144 | :21.15 | Albert Augustine (12) | Lansdale Catholic High School | Lansdale | PA |
| 144 | :21.15 | Alexander Boettcher (12) | Boca Raton High School | Boca Raton | FL |
| 144 | :21.15 | Paul Hunter (11) | Andover High School | Andover | MA |
| 144 | :21.15 | Brock Jackson (12) | Sturgis High School | Sturgis | MI |
| 148 | :21.16 | Mason Chenier (12) | Eastern Wayne High School | Goldsboro | NC |
| 148 | :21.16 | Paul Folts (12) | Champaign Centennial High School | Champaign | IL |
| 148 | :21.16 | Devon Hill (12) | Muncie Central High School | Muncie | IN |
| 148 | :21.16 | Hussein Mohamed (12) | Fork Union Military Academy | Fork Union | VA |
| 148 | :21.16 | Danny Tucker (11) | Naperville Central High School | Naperville | IL |
| 153 | :21.17 | Tyler Gehrs (12) | St. Andrew's School | Middletown | DE |
| 153 | :21.17 | Mark Rushlow (12) | Northridge High School | Middlebury | IN |
| 155 | :21.18 | Brendan Murphy (12) | Watertown High School | Watertown | CT |
| 155 | :21.18 | Nick Rutecki (11) | Juneau-Douglas High School | Juneau | AK |
| 155 | :21.18 | Shane Ryan (9 ) | Haverford High School | Havertown | PA |
| 155 | :21.18 | Rick Sykes (12) | Wellesley High School | Wellesley | MA |
| 159 | :21.19 | Zachary Cormican (12) | West Fargo High School | West Fargo | ND |
| 159 | :21.19 | Pieter Kranenburg (12) | St. Ignatius College Preparatory | San Francisco | CA |
| 159 | :21.19 | Richard Pearson Smith III (12) | Fred T. Foard High School | Newton | NC |
| 162 | :21.20 | Hugh Davison (11) | Loyola Blakefield | Towson | MD |
| 162 | :21.20 | Trey Herbert (10) | Nevada Union High School | Grass Valley | CA |
| 162 | :21.20 | Harrison Wagner (10) | Brebeuf Jesuit Preparatory School | Indianapolis | IN |
| 162 | :21.20 | Chris Wendt (12) | Fenwick High School | Oak Park | IL |