USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Liam Kwok | 35.67 | 10 | AA Min | AAA: 33.99 (+1.68s | 4.7%) | Socal Aquatics Association | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 502 | Everett Armentrout | 35.68 | 10 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Barracuda Swim Club of Northea | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 503 | Lincoln Hunt | 35.68 | 9 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Middlebury Aquatics Club | 10/11/2025 | 2025 NE UVAC Invite 10 11 25 Copied | |
| 504 | Isaac Toledo | 35.68 | 10 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Fusion Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 505 | William Moreno | 35.68 | 10 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 506 | Jaeden Lin | 35.68 | 9 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 507 | Eddy Qian | 35.69 | 9 | AA Min | AAA: 33.99 (+1.70s | 4.8%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 508 | Andy Tran | 35.69 | 10 | AA Min | AAA: 33.99 (+1.70s | 4.8%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 509 | Reid Kelly | 35.70 | 10 | AA Min | AAA: 33.99 (+1.71s | 4.8%) | Front Range Barracudas | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 510 | Robert Richards | 35.72 | 10 | AA Min | AAA: 33.99 (+1.73s | 4.8%) | Bolles School Sharks | 01/16/2026 | 2026 Pentathlon | |
| 511 | Derrick Wu | 35.72 | 10 | AA Min | AAA: 33.99 (+1.73s | 4.8%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 512 | Jacob Wellings | 35.72 | 9 | AA Min | AAA: 33.99 (+1.73s | 4.8%) | Phoenix Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 513 | Alexander Jin | 35.72 | 10 | AA Min | AAA: 33.99 (+1.73s | 4.8%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 514 | Mathew Eruppakkattu | 35.72 | 10 | AA Min | AAA: 33.99 (+1.73s | 4.8%) | Farmington | 02/25/2026 | 2026 Boys OAA Red Division Championships | |
| 515 | Luka McGrath | 35.73 | 10 | AA Min | AAA: 33.99 (+1.74s | 4.9%) | Multnomah Athletic Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 516 | Parker Sam | 35.73 | 10 | AA Min | AAA: 33.99 (+1.74s | 4.9%) | Utica Shelby Swim Club | 02/27/2026 | 2026 Junior Cup | |
| 517 | Craig Thompson | 35.74 | 10 | AA Min | AAA: 33.99 (+1.75s | 4.9%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 518 | Lucas Howell | 35.75 | 10 | AA Min | AAA: 33.99 (+1.76s | 4.9%) | Farmingdale Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 519 | Tyler Zhang | 35.76 | 10 | AA Min | AAA: 33.99 (+1.77s | 4.9%) | Pacific Dragons Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 520 | Henry Chung | 35.78 | 10 | AA Min | AAA: 33.99 (+1.79s | 5.0%) | Commonwealth Swimming | 01/24/2026 | 2026 NE NSSC Snowman Sprints | |
| 521 | Tatsumasa Sekine | 35.79 | 9 | AA Min | AAA: 33.99 (+1.80s | 5.0%) | Santa Clara Swim Club | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 522 | Wesley Stevens | 35.79 | 10 | AA Min | AAA: 33.99 (+1.80s | 5.0%) | Peninsula Wave Riders Swimming | 03/12/2026 | 2026 OH SC Junior Championships | |
| 523 | Cullen Owen | 35.80 | 10 | A Min | AA: 35.79 (+0.01s | 0.0%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 524 | Jack Yu | 35.81 | 10 | A Min | AA: 35.79 (+0.02s | 0.1%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 525 | Maddox Jordan | 35.81 | 10 | A Min | AA: 35.79 (+0.02s | 0.1%) | Prime Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 526 | Peter Enberg | 35.81 | 9 | A Min | AA: 35.79 (+0.02s | 0.1%) | Raleigh Swimming Association | 02/12/2026 | 2026 RSA Cupid Cuts | |
| 527 | Bradley Chu | 35.81 | 9 | A Min | AA: 35.79 (+0.02s | 0.1%) | Phoenix Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 528 | Ryan Nesmith | 35.82 | 10 | A Min | AA: 35.79 (+0.03s | 0.1%) | Swim Florida | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 529 | Daniel Thorpe | 35.83 | 10 | A Min | AA: 35.79 (+0.04s | 0.1%) | Aquajets Swim Team | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 530 | Sebastian Van Loon | 35.83 | 10 | A Min | AA: 35.79 (+0.04s | 0.1%) | Hydro-sonic Tiburones | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 531 | Nico Galvin | 35.83 | 10 | A Min | AA: 35.79 (+0.04s | 0.1%) | Sarasota Sharks | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 532 | Owen Eckhardt | 35.83 | 10 | A Min | AA: 35.79 (+0.04s | 0.1%) | Anglerfish Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 533 | Max Frankel | 35.84 | 10 | A Min | AA: 35.79 (+0.05s | 0.1%) | SwimRight Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 534 | Tyler Zhu | 35.85 | 10 | A Min | AA: 35.79 (+0.06s | 0.2%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 535 | Adam Rosol | 35.85 | 9 | A Min | AA: 35.79 (+0.06s | 0.2%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 536 | Nathaniel Brunelli | 35.85 | 10 | A Min | AA: 35.79 (+0.06s | 0.2%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 537 | Alexander Bircea | 35.86 | 9 | A Min | AA: 35.79 (+0.07s | 0.2%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 538 | Taeyang Im | 35.86 | 10 | A Min | AA: 35.79 (+0.07s | 0.2%) | Long Island Aquatic Club | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 539 | Ozzy Su | 35.87 | 10 | A Min | AA: 35.79 (+0.08s | 0.2%) | Quicksilver Swimming | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 540 | Mason Yu | 35.87 | 10 | A Min | AA: 35.79 (+0.08s | 0.2%) | Qns Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 541 | Henry Hales | 35.88 | 10 | A Min | AA: 35.79 (+0.09s | 0.3%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 542 | Aleck Shakhbazyan | 35.88 | 10 | A Min | AA: 35.79 (+0.09s | 0.3%) | Matchpoint Nyc | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 543 | Olin Beerens | 35.88 | 10 | A Min | AA: 35.79 (+0.09s | 0.3%) | Longhorn Aquatics | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 544 | Louis Yu | 35.90 | 8 | A Min | AA: 35.79 (+0.11s | 0.3%) | Santa Clara Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 545 | Sasha Herischi | 35.91 | 10 | A Min | AA: 35.79 (+0.12s | 0.3%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 546 | Lam Bui | 35.91 | 9 | A Min | AA: 35.79 (+0.12s | 0.3%) | Monroe-Woodbury Devilfish Aqua | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 547 | Nicholas Leonard | 35.92 | 10 | A Min | AA: 35.79 (+0.13s | 0.4%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 548 | Patrick Loftus | 35.92 | 10 | A Min | AA: 35.79 (+0.13s | 0.4%) | Southern Maryland Aquatics | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 549 | Joseph Tomicic | 35.96 | 10 | A Min | AA: 35.79 (+0.17s | 0.5%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 550 | Tristan Palme | 35.96 | 10 | A Min | AA: 35.79 (+0.17s | 0.5%) | Upper Dublin Aquatic Club | 12/11/2025 | 2025 Katie Ledecky 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.