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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | Roanan De Groot | 44.93 | 10 | BB Min | A: 42.09 (+2.84s | 6.3%) | Sioux Center Seahawks | 01/23/2026 | SFST SD 2026 January Invite | |
| 1352 | Vince Loguinov | 44.94 | 9 | BB Min | A: 42.09 (+2.85s | 6.3%) | Unattached | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 1353 | Enrique Guajardo | 44.94 | 10 | BB Min | A: 42.09 (+2.85s | 6.3%) | EL Paso Border Land Swim Team | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 1354 | Max Peterson | 44.94 | 9 | BB Min | A: 42.09 (+2.85s | 6.3%) | Cottonwood Heights Aquatics | 11/07/2025 | 2026 UT CHAT November Intersquad | |
| 1355 | John Lee | 44.94 | 10 | BB Min | A: 42.09 (+2.85s | 6.3%) | North Carolina Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 1356 | Phearce Davis-Thompson | 44.95 | 10 | BB Min | A: 42.09 (+2.86s | 6.4%) | Lone Star Aquatic Club | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | |
| 1357 | Logan Yip | 44.95 | 10 | BB Min | A: 42.09 (+2.86s | 6.4%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 1358 | Joseph Cassidy | 44.95 | 10 | BB Min | A: 42.09 (+2.86s | 6.4%) | Fmy Gators | 12/05/2025 | 2025 Candy Cane Swim Meet | |
| 1359 | William Limmer | 44.96 | 10 | BB Min | A: 42.09 (+2.87s | 6.4%) | Nova of Virginia | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 1360 | Derek McLaughlin | 44.96 | 9 | BB Min | A: 42.09 (+2.87s | 6.4%) | Seward Swim Club | 11/22/2025 | 2025 MW HLA Goggle Gobble | |
| 1361 | Griffin Ignash | 44.96 | 10 | BB Min | A: 42.09 (+2.87s | 6.4%) | Aquatic Team Of Mecklenburg | 02/06/2026 | Battle Of The Houses #3 2026 | |
| 1362 | Oliver Zang | 44.96 | 10 | BB Min | A: 42.09 (+2.87s | 6.4%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1363 | Evan Willis | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1364 | Brian Yu | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1365 | Solomon Wang | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1366 | Peyton Lin | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Eastern Nassau Aquatic Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 1367 | Joseph Tomicic | 44.98 | 9 | BB Min | A: 42.09 (+2.89s | 6.4%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1368 | Stuart Shillington | 44.98 | 10 | BB Min | A: 42.09 (+2.89s | 6.4%) | Team Eugene Aquatics | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 1369 | Eli Mickelson | 44.98 | 8 | BB Min | A: 42.09 (+2.89s | 6.4%) | Carpet Capital Aquatics Club | 01/09/2026 | 2026 MCC January Invite | |
| 1370 | Christian Ballin | 44.99 | 10 | BB Min | A: 42.09 (+2.90s | 6.4%) | 757swim | 12/05/2025 | 2025 757swim Grand Illumination | |
| 1371 | Andres Reyes | 44.99 | 10 | BB Min | A: 42.09 (+2.90s | 6.4%) | Catawba Valley Aquatic Club | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 1372 | Jordan McLean | 44.99 | 10 | BB Min | A: 42.09 (+2.90s | 6.4%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1373 | Obinna Uzowulu | 44.99 | 10 | BB Min | A: 42.09 (+2.90s | 6.4%) | Alamo Area Aquatic Association | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1374 | Enzo Lourenco | 44.99 | 8 | BB Min | A: 42.09 (+2.90s | 6.4%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 1375 | Hengrui Cao | 44.99 | 9 | BB Min | A: 42.09 (+2.90s | 6.4%) | Saline Swim Team | 10/17/2025 | 2025 USSC Trick Or Treat Grab Bag Classic | |
| 1376 | Conrad Postle | 45.00 | 9 | BB Min | A: 42.09 (+2.91s | 6.5%) | West Florida Lightning Aquatic | 01/10/2026 | 2026 WINTERFEST SWIM MEET | |
| 1377 | Vincent Yang | 45.00 | 10 | BB Min | A: 42.09 (+2.91s | 6.5%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1378 | Niam Gettings | 45.00 | 10 | BB Min | A: 42.09 (+2.91s | 6.5%) | North Carolina Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 1379 | Vincent Grey | 45.00 | 9 | BB Min | A: 42.09 (+2.91s | 6.5%) | Sprc Stingrays | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 1380 | Eric Yang | 45.01 | 10 | BB Min | A: 42.09 (+2.92s | 6.5%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1381 | Maxwell Yao | 45.01 | 9 | BB Min | A: 42.09 (+2.92s | 6.5%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 1382 | Leo Yang | 45.02 | 10 | BB Min | A: 42.09 (+2.93s | 6.5%) | YMCA Fairfax County Reston | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1383 | Jayden Zhang | 45.02 | 10 | BB Min | A: 42.09 (+2.93s | 6.5%) | Revolution Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1384 | Lucas Ramos | 45.02 | 7 | BB Min | A: 42.09 (+2.93s | 6.5%) | New York Sharks Aquatics | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 1385 | Fyodor Manokhin | 45.02 | 10 | BB Min | A: 42.09 (+2.93s | 6.5%) | Bravo Swim Team | 11/21/2025 | 2025 SoFlo Last Chance And Holiday Classic | |
| 1386 | George Howe | 45.03 | 9 | BB Min | A: 42.09 (+2.94s | 6.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 1387 | Xavier Sutton | 45.03 | 10 | BB Min | A: 42.09 (+2.94s | 6.5%) | Makos Aquatics Club of Gainesv | 10/10/2025 | 2025 FAST Pumpkin Plunge | |
| 1388 | Ethan Bendoym | 45.03 | 10 | BB Min | A: 42.09 (+2.94s | 6.5%) | South Florida Aquatic Club | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 1389 | Matias Hosein | 45.04 | 10 | BB Min | A: 42.09 (+2.95s | 6.5%) | Gulliver Swim Club | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 1390 | Austin Mitchell | 45.04 | 9 | BB Min | A: 42.09 (+2.95s | 6.5%) | Valley Aquatics | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 1391 | Luke Dobberfuhl | 45.04 | 10 | BB Min | A: 42.09 (+2.95s | 6.5%) | Edina Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1392 | Zachary Zhang | 45.04 | 10 | BB Min | A: 42.09 (+2.95s | 6.5%) | South Shore YMCA Strypers | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 1393 | Carson Yin | 45.05 | 9 | BB Min | A: 42.09 (+2.96s | 6.6%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 1394 | Bentley Nobles | 45.05 | 10 | BB Min | A: 42.09 (+2.96s | 6.6%) | Tnt Swimming | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1395 | Flynn Kimball | 45.05 | 10 | BB Min | A: 42.09 (+2.96s | 6.6%) | Rockford Riptide | 10/17/2025 | 2025 WMS Boo Bash | |
| 1396 | William Mager | 45.05 | 8 | BB Min | A: 42.09 (+2.96s | 6.6%) | Green Bay Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 1397 | Benson Lao | 45.07 | 9 | BB Min | A: 42.09 (+2.98s | 6.6%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 1398 | Declan Sederholm | 45.08 | 9 | BB Min | A: 42.09 (+2.99s | 6.6%) | Hilltop Aquatic Swim Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 1399 | Wolf Smith | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1400 | Aaron Rich | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Kingfish Swimming Medfield | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
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.