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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Youniss Mostafa | 34.37 | 9 | A Min | AA: 34.29 (+0.08s | 0.2%) | Cranston YMCA Marlins | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 452 | Charles Webb | 34.37 | 10 | A Min | AA: 34.29 (+0.08s | 0.2%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 453 | Quentin Lin | 34.37 | 9 | A Min | AA: 34.29 (+0.08s | 0.2%) | Eastern Nassau Aquatic Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 454 | Jacob Berkowitz | 34.38 | 10 | A Min | AA: 34.29 (+0.09s | 0.3%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 455 | Silas Perdue | 34.39 | 9 | A Min | AA: 34.29 (+0.10s | 0.3%) | Foothills Swim Team | 11/08/2024 | 2024 CO Pikes Peak Finals | |
| 456 | Nicholas Galvin | 34.40 | 9 | A Min | AA: 34.29 (+0.11s | 0.3%) | Sarasota Sharks | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 457 | Camille Turpin | 34.40 | 9 | A Min | AA: 34.29 (+0.11s | 0.3%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 458 | Tanner Sagen | 34.40 | 9 | A Min | AA: 34.29 (+0.11s | 0.3%) | Enfinity Aquatic Club | 01/09/2026 | Friday Night At The Races Copied | |
| 459 | Justin Huang | 34.41 | 10 | A Min | AA: 34.29 (+0.12s | 0.3%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 460 | Liam Sandstrom | 34.42 | 8 | A Min | AA: 34.29 (+0.13s | 0.4%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 461 | John Calhoun | 34.42 | 9 | A Min | AA: 34.29 (+0.13s | 0.4%) | Nova of Virginia | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 462 | Charles Miller | 34.43 | 10 | A Min | AA: 34.29 (+0.14s | 0.4%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 463 | Jacob Berkowitz | 34.43 | 10 | A Min | AA: 34.29 (+0.14s | 0.4%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 464 | Yo Abe | 34.44 | 10 | A Min | AA: 34.29 (+0.15s | 0.4%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 465 | Nico Bausher | 34.44 | 10 | A Min | AA: 34.29 (+0.15s | 0.4%) | Southwest Stars Swim Club | 09/27/2025 | 2025 Elizabeth Kazeck Fall Sprint | |
| 466 | Preston Kerchusky | 34.45 | 9 | A Min | AA: 34.29 (+0.16s | 0.5%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 467 | Sasha Herischi | 34.45 | 10 | A Min | AA: 34.29 (+0.16s | 0.5%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 468 | Lucas Guo | 34.46 | 10 | A Min | AA: 34.29 (+0.17s | 0.5%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 469 | Yashovar Nallannagari | 34.46 | 10 | A Min | AA: 34.29 (+0.17s | 0.5%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 470 | Mason Dodd | 34.47 | 10 | A Min | AA: 34.29 (+0.18s | 0.5%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 471 | Tristan Cohn | 34.48 | 9 | A Min | AA: 34.29 (+0.19s | 0.6%) | United Swim Aquatics | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 472 | Thys van der Meer | 34.48 | 10 | A Min | AA: 34.29 (+0.19s | 0.6%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | |
| 473 | Bennet Kelly | 34.48 | 9 | A Min | AA: 34.29 (+0.19s | 0.6%) | Gold Medal Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 474 | Martin Decotigny | 34.50 | 10 | A Min | AA: 34.29 (+0.21s | 0.6%) | Alto Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 475 | Graham Rothwell | 34.51 | 10 | A Min | AA: 34.29 (+0.22s | 0.6%) | San Gabriel Aquatics | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 476 | Asher Mormino | 34.51 | 9 | A Min | AA: 34.29 (+0.22s | 0.6%) | Bend Swim Club | 02/04/2026 | 2026 Bend Swim Club Intersquad Challenger | |
| 477 | Jeffrey Moon | 34.52 | 9 | A Min | AA: 34.29 (+0.23s | 0.7%) | Commerce Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 478 | Robert Richards | 34.52 | 10 | A Min | AA: 34.29 (+0.23s | 0.7%) | Bolles School Sharks | 01/30/2026 | 2026 BSS February Classic Copied | |
| 479 | Jesus Castrellon | 34.53 | 10 | A Min | AA: 34.29 (+0.24s | 0.7%) | Texas Elite Swimming | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 480 | Theodore Greene | 34.53 | 10 | A Min | AA: 34.29 (+0.24s | 0.7%) | Marlins Of Raleigh | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 481 | William Trueman | 34.54 | 11 | A Min | AA: 34.29 (+0.25s | 0.7%) | CAC Stingrays Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | |
| 482 | Eli Cen | 34.54 | 9 | A Min | AA: 34.29 (+0.25s | 0.7%) | Harbor Seals | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 483 | William Cravens | 34.54 | 9 | A Min | AA: 34.29 (+0.25s | 0.7%) | York Swim Club of Northern Vir | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 484 | Lev Petrovskii | 34.55 | 9 | A Min | AA: 34.29 (+0.26s | 0.8%) | Swim Fort Lauderdale | 12/05/2025 | 2025 FG Holiday Champ | |
| 485 | Harvey Zhang | 34.56 | 10 | A Min | AA: 34.29 (+0.27s | 0.8%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 486 | Oliver Yang | 34.56 | 10 | A Min | AA: 34.29 (+0.27s | 0.8%) | Unattached | 09/27/2025 | 2025 NE CRA SeptDistance Speccialty Copi | |
| 487 | Leonardo Henn | 34.56 | 10 | A Min | AA: 34.29 (+0.27s | 0.8%) | Eagles Swim Club | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 488 | Henry Curtis | 34.56 | 10 | A Min | AA: 34.29 (+0.27s | 0.8%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 489 | Travis Zhu | 34.56 | 10 | A Min | AA: 34.29 (+0.27s | 0.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 490 | Leo Williams | 34.57 | 9 | A Min | AA: 34.29 (+0.28s | 0.8%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 491 | Luke Dimick | 34.57 | 10 | A Min | AA: 34.29 (+0.28s | 0.8%) | Auburn Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 492 | Qurtis Lo | 34.58 | 10 | A Min | AA: 34.29 (+0.29s | 0.8%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 493 | Daniel Reschke | 34.58 | 10 | A Min | AA: 34.29 (+0.29s | 0.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 494 | Anderson Miller | 34.58 | 10 | A Min | AA: 34.29 (+0.29s | 0.8%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 495 | Colin Horner | 34.58 | 10 | A Min | AA: 34.29 (+0.29s | 0.8%) | Nitro Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | |
| 496 | Arick Eisler | 34.59 | 8 | A Min | AA: 34.29 (+0.30s | 0.9%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 497 | Lucas Pan | 34.61 | 8 | A Min | AA: 34.29 (+0.32s | 0.9%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 498 | Payton Heck | 34.61 | 10 | A Min | AA: 34.29 (+0.32s | 0.9%) | Nova of Virginia | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 499 | Julian Lapar | 34.61 | 10 | A Min | AA: 34.29 (+0.32s | 0.9%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 500 | Kennedy Whiting | 34.62 | 10 | A Min | AA: 34.29 (+0.33s | 1.0%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
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.