USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Corbin Piatt | 40.11 | 10 | AA Min | AAA: 38.29 (+1.82s | 4.5%) | Raleigh Swimming Association | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 352 | Jack Armbruster | 40.13 | 9 | AA Min | AAA: 38.29 (+1.84s | 4.6%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 353 | Whitt Jaskot | 40.14 | 10 | AA Min | AAA: 38.29 (+1.85s | 4.6%) | Cavalier Aquatics/Piedmont Fam | 12/11/2025 | 2025 East Coast WinterFest | |
| 354 | Arick Eisler | 40.14 | 8 | AA Min | AAA: 38.29 (+1.85s | 4.6%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 355 | Matthew Sha | 40.15 | 10 | AA Min | AAA: 38.29 (+1.86s | 4.6%) | Nashville Aquatic Club | 03/06/2026 | Speedo Southern Premier | |
| 356 | Adrian Burangulov | 40.15 | 10 | AA Min | AAA: 38.29 (+1.86s | 4.6%) | Gator Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 357 | Zac Sonne | 40.15 | 10 | AA Min | AAA: 38.29 (+1.86s | 4.6%) | Indian River Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 358 | Arian Gavriljuk | 40.15 | 10 | AA Min | AAA: 38.29 (+1.86s | 4.6%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 359 | Hugo Linowski | 40.17 | 10 | AA Min | AAA: 38.29 (+1.88s | 4.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 360 | Calvin Tonk | 40.17 | 10 | AA Min | AAA: 38.29 (+1.88s | 4.7%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 361 | Michael Giaier | 40.17 | 10 | AA Min | AAA: 38.29 (+1.88s | 4.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 362 | Chancellor Scovel | 40.18 | 10 | AA Min | AAA: 38.29 (+1.89s | 4.7%) | South Orange County Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 363 | Wes Titievsky | 40.18 | 10 | AA Min | AAA: 38.29 (+1.89s | 4.7%) | Brooklyn Stingrays | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 364 | Troy Cary | 40.19 | 9 | AA Min | AAA: 38.29 (+1.90s | 4.7%) | Unattached | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 365 | Ryker Dubois | 40.19 | 11 | AA Min | AAA: 38.29 (+1.90s | 4.7%) | Kingfish Swimming Medfield | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | |
| 366 | Leon Wu | 40.20 | 9 | A Min | AA: 40.19 (+0.01s | 0.0%) | 92ny Flying Dolphins | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 367 | Harrison Band | 40.20 | 9 | A Min | AA: 40.19 (+0.01s | 0.0%) | Nation\\\\\\'s Capital Swim Club | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 368 | Liam Johnson | 40.21 | 10 | A Min | AA: 40.19 (+0.02s | 0.0%) | Winchester Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 369 | Miles Cui | 40.22 | 11 | A Min | AA: 40.19 (+0.03s | 0.1%) | Mei\\\\\\'s Typhoons Swimming Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 370 | Ahaan Iragavarapu | 40.23 | 10 | A Min | AA: 40.19 (+0.04s | 0.1%) | Pro Swimming | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 371 | Joshua Vitale | 40.24 | 10 | A Min | AA: 40.19 (+0.05s | 0.1%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 372 | Mason Lankford | 40.24 | 10 | A Min | AA: 40.19 (+0.05s | 0.1%) | Hydro Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 373 | Liam Dunn | 40.25 | 9 | A Min | AA: 40.19 (+0.06s | 0.1%) | Meadowbrook Swim Team | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 374 | Michael Laurence | 40.27 | 9 | A Min | AA: 40.19 (+0.08s | 0.2%) | Gulliver Swim Club | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 375 | Cayden Lin | 40.27 | 10 | A Min | AA: 40.19 (+0.08s | 0.2%) | Rosemead Rapids | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 376 | Dashel Dean | 40.27 | 10 | A Min | AA: 40.19 (+0.08s | 0.2%) | Occoquan Swimming | 12/11/2025 | 2025 East Coast WinterFest | |
| 377 | Jaden Zhao | 40.27 | 10 | A Min | AA: 40.19 (+0.08s | 0.2%) | Jersey Flyers Aquatic Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 378 | Luca Tricano | 40.28 | 10 | A Min | AA: 40.19 (+0.09s | 0.2%) | Golden West Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 379 | Panagiotis Chatzopoulos | 40.29 | 10 | A Min | AA: 40.19 (+0.10s | 0.2%) | Royal Swimming | 01/31/2026 | 2026 Guppy Bowl | |
| 380 | Michael Drewitz | 40.31 | 10 | A Min | AA: 40.19 (+0.12s | 0.3%) | South Metro Storm | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 381 | Charles Li | 40.31 | 10 | A Min | AA: 40.19 (+0.12s | 0.3%) | Zone 1 North All Stars | 05/18/2025 | 2025 Pacific Swimming Zone All Star Meet | |
| 382 | Dylan Deahn | 40.32 | 9 | A Min | AA: 40.19 (+0.13s | 0.3%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 383 | Caleb Horvath | 40.32 | 9 | A Min | AA: 40.19 (+0.13s | 0.3%) | Mecklenburg Swim Association | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 384 | Duke Diab | 40.33 | 11 | A Min | AA: 40.19 (+0.14s | 0.3%) | Condors Swim Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 385 | Dexter Danont | 40.33 | 10 | A Min | AA: 40.19 (+0.14s | 0.3%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 386 | Jonah Kasiak | 40.33 | 10 | A Min | AA: 40.19 (+0.14s | 0.3%) | Swimchester Sailfish | 12/05/2025 | 2025 Holiday Classic | |
| 387 | Dean Sutton | 40.34 | 10 | A Min | AA: 40.19 (+0.15s | 0.4%) | East Coast C-Cerpants | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 388 | Adrian Tu | 40.34 | 10 | A Min | AA: 40.19 (+0.15s | 0.4%) | Walnut Creek Aquabears | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 389 | Aaron Cho | 40.34 | 8 | A Min | AA: 40.19 (+0.15s | 0.4%) | Klg Sports Swim Team | 03/14/2024 | 2024 SCS Spring Age Group Champshipson | |
| 390 | Chandler Lourie | 40.34 | 10 | A Min | AA: 40.19 (+0.15s | 0.4%) | Life Time Southeast | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 391 | Sebastian Wassenaar | 40.35 | 10 | A Min | AA: 40.19 (+0.16s | 0.4%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 392 | Abraham Cheng | 40.35 | 9 | A Min | AA: 40.19 (+0.16s | 0.4%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 393 | Dexter LaForce | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 394 | Benjamin Shen | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 395 | Landon Alamo | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 396 | Emmett Curry | 40.37 | 10 | A Min | AA: 40.19 (+0.18s | 0.4%) | Seattle Metropolitan Aquatic C | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 397 | Shunsuke Suzuki | 40.38 | 10 | A Min | AA: 40.19 (+0.19s | 0.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 398 | Justin Zhao | 40.40 | 10 | A Min | AA: 40.19 (+0.21s | 0.5%) | Aquaracers Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 399 | Ryan Nesmith | 40.41 | 10 | A Min | AA: 40.19 (+0.22s | 0.5%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 400 | Thomas Nash | 40.42 | 9 | A Min | AA: 40.19 (+0.23s | 0.6%) | Coast Gaurd Blue Dolphins | 01/09/2026 | 2026 757swim Splash And Dash | |
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.