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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Jacob YU | 35.41 | 10 | AA Min | AAA: 33.99 (+1.42s | 4.0%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 402 | Adam Boned | 35.41 | 9 | AA Min | AAA: 33.99 (+1.42s | 4.0%) | Bergen Barracudas Swim Team | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 403 | Caleb Horvath | 35.41 | 9 | AA Min | AAA: 33.99 (+1.42s | 4.0%) | Mecklenburg Swim Association | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 404 | Elliott Lesnau | 35.43 | 10 | AA Min | AAA: 33.99 (+1.44s | 4.1%) | Plymouth Canton Cruisers | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 405 | Neo Jiang | 35.43 | 9 | AA Min | AAA: 33.99 (+1.44s | 4.1%) | Qns Aquatic Club | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 406 | Braden Dunlap | 35.43 | 9 | AA Min | AAA: 33.99 (+1.44s | 4.1%) | Naval Academy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 407 | Dongxin Xian | 35.43 | 10 | AA Min | AAA: 33.99 (+1.44s | 4.1%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 408 | Sebastian Reilly | 35.44 | 10 | AA Min | AAA: 33.99 (+1.45s | 4.1%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 409 | Duke Layco | 35.44 | 10 | AA Min | AAA: 33.99 (+1.45s | 4.1%) | Hawaii Swimming Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 410 | Castle Cline | 35.44 | 10 | AA Min | AAA: 33.99 (+1.45s | 4.1%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 411 | David Xiong | 35.46 | 8 | AA Min | AAA: 33.99 (+1.47s | 4.1%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 412 | Qurtis Lo | 35.46 | 10 | AA Min | AAA: 33.99 (+1.47s | 4.1%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 413 | Artem Shtein | 35.47 | 10 | AA Min | AAA: 33.99 (+1.48s | 4.2%) | SwimRight Team | 11/01/2025 | Piranhas Turkey Classic 2025 | |
| 414 | Wesley Ho | 35.47 | 10 | AA Min | AAA: 33.99 (+1.48s | 4.2%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 415 | Finn Fitzner | 35.47 | 10 | AA Min | AAA: 33.99 (+1.48s | 4.2%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 416 | Ryder Lu | 35.48 | 10 | AA Min | AAA: 33.99 (+1.49s | 4.2%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 417 | Regis Scott | 35.48 | 10 | AA Min | AAA: 33.99 (+1.49s | 4.2%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 418 | Koki Tsujiuchi | 35.48 | 10 | AA Min | AAA: 33.99 (+1.49s | 4.2%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 419 | Samuel Laidlaw | 35.49 | 10 | AA Min | AAA: 33.99 (+1.50s | 4.2%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 420 | Branimir Petkov | 35.49 | 10 | AA Min | AAA: 33.99 (+1.50s | 4.2%) | Evolution Racing Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 421 | Arthur Pan | 35.49 | 10 | AA Min | AAA: 33.99 (+1.50s | 4.2%) | Life Time Fitness New York Swi | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 422 | Jonathan Miriovsky | 35.50 | 10 | AA Min | AAA: 33.99 (+1.51s | 4.3%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 423 | Dean Hunter | 35.50 | 10 | AA Min | AAA: 33.99 (+1.51s | 4.3%) | Sporting Jax Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 424 | Allen Chen | 35.50 | 10 | AA Min | AAA: 33.99 (+1.51s | 4.3%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 425 | Declan Dame | 35.50 | 10 | AA Min | AAA: 33.99 (+1.51s | 4.3%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 426 | Jacob Myzie | 35.51 | 10 | AA Min | AAA: 33.99 (+1.52s | 4.3%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 427 | Robert Mello | 35.52 | 10 | AA Min | AAA: 33.99 (+1.53s | 4.3%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 428 | Hei Chan | 35.53 | 10 | AA Min | AAA: 33.99 (+1.54s | 4.3%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 429 | Theodore Whitson | 35.53 | 9 | AA Min | AAA: 33.99 (+1.54s | 4.3%) | Tac Titans | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 430 | Lucas Guillen | 35.56 | 9 | AA Min | AAA: 33.99 (+1.57s | 4.4%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 431 | Jerry Ji | 35.56 | 10 | AA Min | AAA: 33.99 (+1.57s | 4.4%) | Rio-Green | 01/24/2026 | 2026 SCS Swim Festival | |
| 432 | George White | 35.57 | 10 | AA Min | AAA: 33.99 (+1.58s | 4.4%) | Rockville Montgomery Swim Club | 02/13/2026 | 39th Black History Swim Meet | |
| 433 | Jacob Liu | 35.57 | 10 | AA Min | AAA: 33.99 (+1.58s | 4.4%) | Trident Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 434 | Kamden Love | 35.58 | 10 | AA Min | AAA: 33.99 (+1.59s | 4.5%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 435 | Leo Goh | 35.59 | 9 | AA Min | AAA: 33.99 (+1.60s | 4.5%) | Golden State Goats (Gold) | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 436 | Dylan Briley | 35.61 | 10 | AA Min | AAA: 33.99 (+1.62s | 4.5%) | Northern Lights Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 437 | Brighton Stewart | 35.61 | 9 | AA Min | AAA: 33.99 (+1.62s | 4.5%) | Clearfireld Cuda Aquatic Team | 02/13/2026 | 2026 OR HS 6A 4 | |
| 438 | Jake Zobec | 35.63 | 10 | AA Min | AAA: 33.99 (+1.64s | 4.6%) | Denver Triton Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 439 | Freddy Jackson | 35.63 | 10 | AA Min | AAA: 33.99 (+1.64s | 4.6%) | Royal Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 440 | Dean Deliessche | 35.64 | 10 | AA Min | AAA: 33.99 (+1.65s | 4.6%) | Trident Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 441 | Theodore Lahre | 35.65 | 9 | AA Min | AAA: 33.99 (+1.66s | 4.7%) | Bgc-N. Westchester Marlins | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 442 | Franklin Chao | 35.65 | 10 | AA Min | AAA: 33.99 (+1.66s | 4.7%) | North Carolina Aquatic Club | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 443 | Ashton Chen | 35.66 | 10 | AA Min | AAA: 33.99 (+1.67s | 4.7%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 444 | Ethan Zhao | 35.67 | 10 | AA Min | AAA: 33.99 (+1.68s | 4.7%) | Tac Titans | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 445 | Alonso Andrade | 35.67 | 10 | AA Min | AAA: 33.99 (+1.68s | 4.7%) | EL Paso Border Land Swim Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 446 | 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 | |
| 447 | Isaac Toledo | 35.68 | 10 | AA Min | AAA: 33.99 (+1.69s | 4.7%) | Fusion Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 448 | 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 | |
| 449 | William Moreno | 35.68 | 10 | B Min | BB: 35.59 (+0.09s | 0.3%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 450 | Eddy Qian | 35.69 | 10 | AA Min | AAA: 33.99 (+1.70s | 4.8%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
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.