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 | Thomas Afonin | 34.85 | 10 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Shorefront Ym-Ywha | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 402 | Cooper Chen | 34.85 | 10 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 403 | Aiden Abreu | 34.85 | 10 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 404 | Dylan Friedberg | 34.86 | 10 | AA Min | AAA: 33.99 (+0.87s | 2.5%) | Hauppauge Swimming | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 405 | Benjamin Shen | 34.87 | 10 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 406 | Hongjie Xiao | 34.87 | 8 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 407 | Nino Rodriguez | 34.88 | 10 | AA Min | AAA: 33.99 (+0.89s | 2.6%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 408 | Koku Saddawi-Banno | 34.89 | 9 | AA Min | AAA: 33.99 (+0.90s | 2.6%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 409 | Reyan Dhwajad | 34.89 | 10 | AA Min | AAA: 33.99 (+0.90s | 2.6%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 410 | Ruslan Kondratenok | 34.90 | 10 | AA Min | AAA: 33.99 (+0.91s | 2.6%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 411 | Anderson Grant | 34.91 | 9 | AA Min | AAA: 33.99 (+0.92s | 2.6%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 412 | Kai Kennedy | 34.91 | 10 | AA Min | AAA: 33.99 (+0.92s | 2.6%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 413 | Benjamin Bailey | 34.91 | 10 | AA Min | AAA: 33.99 (+0.92s | 2.6%) | Raleigh Swimming Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 414 | Leo Zhang | 34.92 | 10 | AA Min | AAA: 33.99 (+0.93s | 2.7%) | Bayside Branch YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 415 | Mason Petrocelli | 34.92 | 10 | AA Min | AAA: 33.99 (+0.93s | 2.7%) | Team Suffolk | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 416 | Zubin Reuter | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Asphalt Green Unified Aquatics | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 417 | Adam Aburas | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | First Colony Swim Team, Inc. | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 418 | Ray Yu | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 419 | Jair Ortega | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 420 | Andy Wang | 34.94 | 10 | AA Min | AAA: 33.99 (+0.95s | 2.7%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 421 | Colton Alex | 34.95 | 10 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 422 | Patrick Rollins | 34.95 | 10 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 423 | Sawyer Heath | 34.95 | 10 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Greensboro Community YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 424 | Conner Murphy | 34.95 | 9 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Seaside | 02/13/2026 | 2026 OR HS 4a 3 | |
| 425 | Kannon Koser | 34.97 | 10 | AA Min | AAA: 33.99 (+0.98s | 2.8%) | Cavalier Aquatics/Piedmont Fam | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 426 | Carter Bertsche | 35.00 | 10 | AA Min | AAA: 33.99 (+1.01s | 2.9%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 427 | Syrus Tracey | 35.00 | 10 | AA Min | AAA: 33.99 (+1.01s | 2.9%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 428 | Ralph Haman | 35.01 | 10 | AA Min | AAA: 33.99 (+1.02s | 2.9%) | Tennessee Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 429 | Cayden McLaughlin | 35.02 | 10 | AA Min | AAA: 33.99 (+1.03s | 2.9%) | Patriot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 430 | Isaiah Coupland | 35.04 | 10 | AA Min | AAA: 33.99 (+1.05s | 3.0%) | North Carolina Aquatic Club | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 431 | Aaron Kim | 35.04 | 10 | AA Min | AAA: 33.99 (+1.05s | 3.0%) | EL Paso Border Land Swim Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 432 | Isaac Carter | 35.05 | 10 | AA Min | AAA: 33.99 (+1.06s | 3.0%) | Enfinity Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 433 | Ken Lee | 35.05 | 10 | AA Min | AAA: 33.99 (+1.06s | 3.0%) | Jersey Flyers Aquatic Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 434 | Jayden Zhen | 35.06 | 10 | AA Min | AAA: 33.99 (+1.07s | 3.1%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 435 | Daniel Early | 35.06 | 10 | AA Min | AAA: 33.99 (+1.07s | 3.1%) | Grosse Pointe Gators | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 436 | Hugo Linowski | 35.07 | 10 | AA Min | AAA: 33.99 (+1.08s | 3.1%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 437 | Leo Mora Carrillo | 35.07 | 10 | AA Min | AAA: 33.99 (+1.08s | 3.1%) | Blue Marlins Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 438 | Matthew Winn | 35.07 | 9 | AA Min | AAA: 33.99 (+1.08s | 3.1%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 439 | Aidan Stringer | 35.09 | 10 | AA Min | AAA: 33.99 (+1.10s | 3.1%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 440 | Elliot Mouton | 35.10 | 10 | AA Min | AAA: 33.99 (+1.11s | 3.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 441 | Aaron Park | 35.11 | 10 | AA Min | AAA: 33.99 (+1.12s | 3.2%) | Eagle Swim Team Inc. | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 442 | Julian Phillips | 35.12 | 10 | AA Min | AAA: 33.99 (+1.13s | 3.2%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 443 | Alexander Fang | 35.12 | 10 | AA Min | AAA: 33.99 (+1.13s | 3.2%) | Reno Aquatic Club | 12/12/2025 | Winter SC Age Group Championships | |
| 444 | Charlie Lockett | 35.13 | 9 | AA Min | AAA: 33.99 (+1.14s | 3.2%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 445 | Mason Bailey | 35.15 | 10 | AA Min | AAA: 33.99 (+1.16s | 3.3%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 446 | Graham Messink | 35.15 | 10 | AA Min | AAA: 33.99 (+1.16s | 3.3%) | Egra Waves | 02/14/2026 | 2026 WMSL Winter A Championship | |
| 447 | Benjamin Russell | 35.16 | 9 | AA Min | AAA: 33.99 (+1.17s | 3.3%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 448 | Gilly Luna | 35.17 | 10 | AA Min | AAA: 33.99 (+1.18s | 3.4%) | Paseo Aquatics Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 449 | John Stitzenberg | 35.17 | 9 | AA Min | AAA: 33.99 (+1.18s | 3.4%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 450 | Kevin Wang | 35.17 | 10 | AA Min | AAA: 33.99 (+1.18s | 3.4%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
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.