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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | Stephan Karpau | 39.81 | 8 | BB Min | A: 37.59 (+2.22s | 5.6%) | Andover-North Andover YMCA Hur | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1402 | John Umiker | 39.81 | 10 | BB Min | A: 37.59 (+2.22s | 5.6%) | Pierre Swim Team | 01/30/2026 | 2026 SD Capital City Qualifier | |
| 1403 | Luca Edwards | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Life Time Mid Atlantic Swim Te | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1404 | Stepan Gribanov | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Staten Island Aquatics Club | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 1405 | Smith Mitchell | 39.82 | 8 | BB Min | A: 37.59 (+2.23s | 5.6%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1406 | Nicholas Khozashvili | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Lifetime | 11/01/2025 | 2025 NE NSSC Nov Beede Specialty Copied | |
| 1407 | Amir Turgunov | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Patriot Aquatics | 09/12/2026 | 2026 PA Fall Invite Running | |
| 1408 | Benjamin Geary | 39.82 | 10 | BB Min | A: 37.59 (+2.23s | 5.6%) | City of Mobile Swim Associatio | 10/02/2026 | 2026 Vance Rose Invitational | |
| 1409 | Henry Rambicure | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Saint Petersburg Aquatics | 10/16/2026 | FRIDAY NITE RACES OCT 2026 | |
| 1410 | Alp Petka | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Madison Swimming Association | 09/26/2026 | 2026 KONA ICE INVITATIONAL | |
| 1411 | George Laconte | 39.83 | 9 | BB Min | A: 37.59 (+2.24s | 5.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1412 | Ishaan Talluri | 39.83 | 10 | BB Min | A: 37.59 (+2.24s | 5.6%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | |
| 1413 | Ragnar Custer | 39.84 | 8 | BB Min | A: 37.59 (+2.25s | 5.6%) | Royal Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1414 | Luke Skillman | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1415 | Bryce Alpert | 39.84 | 9 | BB Min | A: 37.59 (+2.25s | 5.6%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1416 | Ryan Kummer | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Aquatic Team Of Mecklenburg | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 1417 | Jacob Meade | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Great Lakes Tritons | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1418 | Preston Call | 39.84 | 9 | BB Min | A: 37.59 (+2.25s | 5.6%) | Ensworth Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 1419 | Owen Weber | 39.85 | 10 | BB Min | A: 37.59 (+2.26s | 5.7%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1420 | Archie McCallum | 39.86 | 8 | BB Min | A: 37.59 (+2.27s | 5.7%) | Poseidon Aquatic Club | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1421 | Hunter Atkins | 39.86 | 10 | BB Min | A: 37.59 (+2.27s | 5.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1422 | Vincent Alvarez | 39.86 | 9 | BB Min | A: 37.59 (+2.27s | 5.7%) | Huntsville Swim Association | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 1423 | Theodore Walters | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 1424 | Ford Halvorson | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Foxjets Swim Team | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 1425 | Shepard Bowen | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 1426 | Henry Meyer | 39.88 | 9 | BB Min | A: 37.59 (+2.29s | 5.7%) | Fremont Area Swim Team | 03/14/2026 | 2026 MW App Nebraska YMCA Champs | |
| 1427 | Ryan Chen | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | Northern Lights Swimming Assoc | 01/17/2026 | 2026 Optimist High Point Meet | |
| 1428 | Alistair Saxton | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | West Express Swim Team | 10/10/2026 | 2026 MN FOXJ Fall Invitational | |
| 1429 | Dean Simmons | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | Valley Aquatics | 10/24/2026 | 2026 PN VAST Fall Frenzy Approved | |
| 1430 | Isaac Dowling | 39.89 | 10 | BB Min | A: 37.59 (+2.30s | 5.8%) | Unattached | 01/09/2026 | 2026 IA Midwest All Stars 09Jan2026 Midwestern | |
| 1431 | Jack Cleary | 39.89 | 9 | BB Min | A: 37.59 (+2.30s | 5.8%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 1432 | Dean Tario | 39.89 | 8 | BB Min | A: 37.59 (+2.30s | 5.8%) | FMC Aquatic | 12/11/2025 | 35th Annual Winter Championships | |
| 1433 | Elliot Aizer | 39.89 | 10 | BB Min | A: 37.59 (+2.30s | 5.8%) | Carolina Aquatics Swim Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 1434 | August McGuire | 39.89 | 8 | BB Min | A: 37.59 (+2.30s | 5.8%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1435 | Chen Lin | 39.89 | 9 | BB Min | A: 37.59 (+2.30s | 5.8%) | Gator Swim Club | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 1436 | Lucca Belluco | 39.89 | 10 | BB Min | A: 37.59 (+2.30s | 5.8%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1437 | Wesley Veile | 39.89 | 9 | BB Min | A: 37.59 (+2.30s | 5.8%) | Seahawks Swim club | 09/12/2026 | 2026 Seahawks Dive Back In | |
| 1438 | Rainan Joshi | 39.90 | 10 | BB Min | A: 37.59 (+2.31s | 5.8%) | Columbia Aquatics Association | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1439 | Dario Torres | 39.90 | 10 | BB Min | A: 37.59 (+2.31s | 5.8%) | South Florida Stallions | 09/19/2026 | 2026 DSC Season Opener Invite | |
| 1440 | Alex Shen | 39.90 | 10 | BB Min | A: 37.59 (+2.31s | 5.8%) | Westlake Aquatic Facility | 10/16/2026 | 2026 ST ASC Bob Thompson Open | |
| 1441 | Graham Nagtzaam | 39.91 | 10 | BB Min | A: 37.59 (+2.32s | 5.8%) | Potomac Marlins | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1442 | Harrison Wu | 39.92 | 8 | BB Min | A: 37.59 (+2.33s | 5.8%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1443 | Connor Dudley | 39.92 | 10 | BB Min | A: 37.59 (+2.33s | 5.8%) | Madison Swim Club Inc. | 01/31/2026 | 2026 SD SSC Southwest Splash | |
| 1444 | Cameron Lee | 39.92 | 10 | BB Min | A: 37.59 (+2.33s | 5.8%) | Usf Youth Swimming | 10/03/2026 | Neptune Swimming Fall Classic | |
| 1445 | Matthew Monroe | 39.93 | 10 | BB Min | A: 37.59 (+2.34s | 5.9%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1446 | Everett Chery-Hise | 39.93 | 9 | BB Min | A: 37.59 (+2.34s | 5.9%) | Loyola Blakefield Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1447 | Nolan Cox | 39.93 | 10 | BB Min | A: 37.59 (+2.34s | 5.9%) | Alamo Heights Aquatic Club ? A | 09/26/2026 | 2026 NEAT 1st Annual SA Dual Meet Showcase | |
| 1448 | Luca Tabacu | 39.93 | 10 | BB Min | A: 37.59 (+2.34s | 5.9%) | Clearwater Aquatic Team | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 1449 | Clark Peterson | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1450 | Bennett Peiffer | 39.94 | 10 | BB Min | A: 37.59 (+2.35s | 5.9%) | Pacific Piranha Swim Team | 01/31/2026 | 2026 PN BISC Bluefin 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.