USA Boys 10 & under - 50 Y Fly
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 3351 | Charles Rao | 45.72 | 8 | B Min | BB: 41.29 (+4.43s | 9.7%) | Eastside Aquatic Swim Team | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 3352 | Daniel Guo | 45.72 | 10 | B Min | BB: 41.29 (+4.43s | 9.7%) | Riptide Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 3353 | Leo Yan | 45.72 | 10 | B Min | BB: 41.29 (+4.43s | 9.7%) | Eastside Aquatic Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 3354 | Aiden Castan | 45.72 | 10 | B Min | BB: 41.29 (+4.43s | 9.7%) | Apex Aquatic Club | 01/18/2026 | 2026 Fox Winter Invitational Meet | |
| 3355 | Stanislaw Gruszka | 45.72 | 10 | B Min | BB: 41.29 (+4.43s | 9.7%) | Walnut Creek Aquabears | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 3356 | Jake McNair | 45.73 | 9 | B Min | BB: 41.29 (+4.44s | 9.7%) | Bellevue Club Swim Team | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 3357 | Kai Halasz | 45.73 | 9 | B Min | BB: 41.29 (+4.44s | 9.7%) | Capital Area Aquatics | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 3358 | Wiley Ammons | 45.73 | 9 | B Min | BB: 41.29 (+4.44s | 9.7%) | Smoky Mountain Aquatic Club | 02/07/2026 | 2026 Swim Your Heart Out | |
| 3359 | Mack Maiser | 45.73 | 10 | B Min | BB: 41.29 (+4.44s | 9.7%) | Edina Swim Club | 10/04/2025 | 2025 EDI October Gator Speedo Invite | |
| 3360 | Noah Wang | 45.74 | 10 | B Min | BB: 41.29 (+4.45s | 9.7%) | Flatiron Athletic Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 3361 | Benjamin Matson | 45.74 | 9 | B Min | BB: 41.29 (+4.45s | 9.7%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 3362 | Colin Camacho | 45.75 | 10 | B Min | BB: 41.29 (+4.46s | 9.7%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 3363 | Miles Wood | 45.75 | 9 | B Min | BB: 41.29 (+4.46s | 9.7%) | Dart Swimming | 11/09/2024 | Folsom Classic 2024 | |
| 3364 | Landon Quelland | 45.75 | 10 | B Min | BB: 41.29 (+4.46s | 9.7%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 3365 | Anderson Fang | 45.75 | 8 | B Min | BB: 41.29 (+4.46s | 9.7%) | Reno Aquatic Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 3366 | Landon Thorpe | 45.76 | 9 | B Min | BB: 41.29 (+4.47s | 9.8%) | Tollefson Swimming | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 3367 | Liam Park | 45.76 | 9 | B Min | BB: 41.29 (+4.47s | 9.8%) | Punahou Aquatics Institute | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 3368 | David Mastin | 45.76 | 10 | B Min | BB: 41.29 (+4.47s | 9.8%) | Razor Aquatics | 12/20/2025 | Life Time Michigan Candy Cane Classic | |
| 3369 | Declan Kimball | 45.76 | 9 | B Min | BB: 41.29 (+4.47s | 9.8%) | Williamsburg Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 3370 | Cooper Gagas | 45.76 | 10 | B Min | BB: 41.29 (+4.47s | 9.8%) | Cincinnati Aquatic Club | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3371 | Graham Carroll | 45.78 | 9 | B Min | BB: 41.29 (+4.49s | 9.8%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 3372 | Carter Schwenk | 45.78 | 10 | B Min | BB: 41.29 (+4.49s | 9.8%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 3373 | Noah Millward | 45.78 | 9 | B Min | BB: 41.29 (+4.49s | 9.8%) | Egra Waves | 02/07/2026 | 2026 Grand Rapids Open | |
| 3374 | Anzel Annan | 45.78 | 9 | B Min | BB: 41.29 (+4.49s | 9.8%) | Aspire Aquatics of Colorado | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 3375 | Luca Platko | 45.78 | 10 | B Min | BB: 41.29 (+4.49s | 9.8%) | Inland Coastal Aquatic Club | 05/31/2025 | 2025 SI FAST RISING STARS 1 | |
| 3376 | Elliott Stolfi | 45.79 | 10 | B Min | BB: 41.29 (+4.50s | 9.8%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 3377 | Jaden Chen | 45.79 | 10 | B Min | BB: 41.29 (+4.50s | 9.8%) | Qns Aquatic Club | 12/21/2025 | 2025 MR SSC Reindeer Games Invitational | |
| 3378 | Jacob Gamio | 45.80 | 9 | B Min | BB: 41.29 (+4.51s | 9.8%) | Unattached | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 3379 | Walter Fish | 45.80 | 10 | B Min | BB: 41.29 (+4.51s | 9.8%) | Chugiak Aquatics Club | 11/21/2025 | NLSC Sprint Classic | |
| 3380 | August McGuire | 45.80 | 8 | B Min | BB: 41.29 (+4.51s | 9.8%) | Club Wolverine | 02/21/2026 | 2026 CW Goldfish Invite | |
| 3381 | Samuel Zhou | 45.80 | 9 | B Min | BB: 41.29 (+4.51s | 9.8%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 3382 | Roman Moore | 45.80 | 8 | B Min | BB: 41.29 (+4.51s | 9.8%) | YMCA of Northwest North Caroli | 01/23/2026 | GCY Winter Meet 2026 | |
| 3383 | Hudson Rausch | 45.81 | 9 | B Min | BB: 41.29 (+4.52s | 9.9%) | Brookings Swim Club | 12/05/2025 | 2025 Candy Cane Swim Meet | |
| 3384 | Brennan Colello | 45.81 | 9 | B Min | BB: 41.29 (+4.52s | 9.9%) | Herndon Aquatic Club | 02/20/2026 | 2026 FXFX Forty Niner | |
| 3385 | Skyler Houck | 45.81 | 9 | B Min | BB: 41.29 (+4.52s | 9.9%) | King Aquatic Club | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 3386 | Richard Partain | 45.81 | 9 | B Min | BB: 41.29 (+4.52s | 9.9%) | McCallie-GPS Aquatics | 01/09/2026 | 2026 MCC January Invite | |
| 3387 | Demid Mozgov | 45.82 | 10 | B Min | BB: 41.29 (+4.53s | 9.9%) | Bure-Aqua Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 3388 | Merrill Raman | 45.82 | 9 | B Min | BB: 41.29 (+4.53s | 9.9%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3389 | Caleb Lee | 45.82 | 10 | B Min | BB: 41.29 (+4.53s | 9.9%) | Nova of Virginia | 11/15/2025 | 2025 WAC Fall Classic | |
| 3390 | Charles Thomas | 45.83 | 9 | B Min | BB: 41.29 (+4.54s | 9.9%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 3391 | Benson Gao | 45.83 | 9 | B Min | BB: 41.29 (+4.54s | 9.9%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 3392 | Ryan Del Rosario | 45.83 | 10 | B Min | BB: 41.29 (+4.54s | 9.9%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 3393 | Emmett Leigh | 45.83 | 9 | B Min | BB: 41.29 (+4.54s | 9.9%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 3394 | Teodore Lugovoy | 45.84 | 8 | B Min | BB: 41.29 (+4.55s | 9.9%) | Dolphin Club | 01/09/2026 | NOVA New Year S Kick Off | |
| 3395 | Henry Burns | 45.84 | 9 | B Min | BB: 41.29 (+4.55s | 9.9%) | Beast | 12/04/2025 | 2025 Holiday Swim Festival | |
| 3396 | Andrew Simon-O'Neill | 45.84 | 10 | B Min | BB: 41.29 (+4.55s | 9.9%) | Oakland Undercurrent Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 3397 | Maximilian Quimba | 45.84 | 10 | B Min | BB: 41.29 (+4.55s | 9.9%) | Spy Swim Team | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 3398 | Miles Williams | 45.84 | 10 | B Min | BB: 41.29 (+4.55s | 9.9%) | 92ny Flying Dolphins | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 3399 | Robert Winters | 45.85 | 10 | B Min | BB: 41.29 (+4.56s | 9.9%) | Surge Aquatics | 12/13/2025 | 2025 ST SRG HOHOHO Howorth Classic | |
| 3400 | Jonathan Wang | 45.86 | 10 | B Min | BB: 41.29 (+4.57s | 10.0%) | Life Time Fitness New York Swi | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.