USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1501 | Jones North | 46.85 | 10 | BB Min | A: 43.09 (+3.76s | 8.0%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 1502 | Luther Kim | 46.85 | 10 | BB Min | A: 43.09 (+3.76s | 8.0%) | Sea to Desert Swim Association | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 1503 | Bradley Leugers | 46.85 | 9 | BB Min | A: 43.09 (+3.76s | 8.0%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1504 | William Cao | 46.86 | 9 | BB Min | A: 43.09 (+3.77s | 8.0%) | Great Lakes Sailfish Swimming | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1505 | Charles Petoskey | 46.86 | 10 | BB Min | A: 43.09 (+3.77s | 8.0%) | Mecklenburg Swim Association | 07/24/2026 | 2026 Sailfish Summer Splash | |
| 1506 | Elvin Lin | 46.86 | 10 | BB Min | A: 43.09 (+3.77s | 8.0%) | Clifton Park-Halfmoon Piranhas | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 1507 | Johnathan Weninger | 46.86 | 10 | BB Min | A: 43.09 (+3.77s | 8.0%) | Legacy Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1508 | Iker Rodarte Ramirez | 46.87 | 9 | BB Min | A: 43.09 (+3.78s | 8.1%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1509 | Lucas Richardson | 46.88 | 10 | BB Min | A: 43.09 (+3.79s | 8.1%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1510 | David Renko | 46.88 | 9 | BB Min | A: 43.09 (+3.79s | 8.1%) | Wasatch Front Fish Market | 06/27/2025 | WFFM Red White And Black 2025 | |
| 1511 | Luke Xu | 46.89 | 8 | BB Min | A: 43.09 (+3.80s | 8.1%) | Seattle Metropolitan Aquatic C | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1512 | John Fung-A-Wing | 46.89 | 10 | BB Min | A: 43.09 (+3.80s | 8.1%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 1513 | Auden Farley | 46.89 | 9 | BB Min | A: 43.09 (+3.80s | 8.1%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 1514 | Yichen Wang | 46.90 | 9 | BB Min | A: 43.09 (+3.81s | 8.1%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 1515 | Conrad Postle | 46.90 | 10 | BB Min | A: 43.09 (+3.81s | 8.1%) | West Florida Lightning Aquatic | 06/19/2026 | 2026 Lightning Invitational | |
| 1516 | Bennett Kohlmeyer | 46.90 | 10 | BB Min | A: 43.09 (+3.81s | 8.1%) | Life Time Colorado Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1517 | Henry O'Shea | 46.91 | 9 | BB Min | A: 43.09 (+3.82s | 8.1%) | Billings YMCA | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 1518 | Ryan Lee | 46.91 | 10 | BB Min | A: 43.09 (+3.82s | 8.1%) | Highlands Ranch Aquatics | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 1519 | Anderson Gray | 46.93 | 8 | BB Min | A: 43.09 (+3.84s | 8.2%) | Occoquan Swimming | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1520 | Aaron Yoon | 46.93 | 9 | BB Min | A: 43.09 (+3.84s | 8.2%) | Pipeline Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 1521 | Gavin Shaffer | 46.94 | 8 | BB Min | A: 43.09 (+3.85s | 8.2%) | Occoquan Swimming | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1522 | Leon Ye | 46.94 | 10 | BB Min | A: 43.09 (+3.85s | 8.2%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1523 | Jayke Hung | 46.95 | 10 | BB Min | A: 43.09 (+3.86s | 8.2%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1524 | Shawn Lee | 46.96 | 10 | BB Min | A: 43.09 (+3.87s | 8.2%) | Mecklenburg Swim Association | 05/02/2026 | ATOM May The Force 2026 | |
| 1525 | Mason Thaden | 46.97 | 9 | BB Min | A: 43.09 (+3.88s | 8.3%) | Rochester Swim Club | 07/17/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1526 | Ari Isis | 46.98 | 9 | BB Min | A: 43.09 (+3.89s | 8.3%) | Hill Country Aquatics | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1527 | Kendrick Cui | 46.98 | 8 | BB Min | A: 43.09 (+3.89s | 8.3%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1528 | Senge Laka | 46.98 | 9 | BB Min | A: 43.09 (+3.89s | 8.3%) | Cascadia Swimming | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1529 | Miles VanderLinden | 46.99 | 9 | BB Min | A: 43.09 (+3.90s | 8.3%) | Truckee-Tahoe Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 1530 | Jack Retzlaff | 46.99 | 9 | BB Min | A: 43.09 (+3.90s | 8.3%) | North Baltimore Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1531 | Colton McArthur | 46.99 | 9 | BB Min | A: 43.09 (+3.90s | 8.3%) | Csp Tideriders | 06/26/2026 | 88th CSP Summer Invitational | |
| 1532 | Ajit Bandesha | 47.00 | 9 | BB Min | A: 43.09 (+3.91s | 8.3%) | Shawmut Aquatic Club | 06/05/2026 | 2026 NE SAC America S Cup Copied | |
| 1533 | Michael Yin | 47.00 | 9 | BB Min | A: 43.09 (+3.91s | 8.3%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 1534 | Fedor Evstigneev | 47.00 | 9 | BB Min | A: 43.09 (+3.91s | 8.3%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1535 | Thomas Van Bruggen | 47.00 | 8 | BB Min | A: 43.09 (+3.91s | 8.3%) | Minnetonka Swim Club | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 1536 | Adam Alkhayru | 47.01 | 9 | BB Min | A: 43.09 (+3.92s | 8.3%) | Reno Aquatic Club | 07/10/2026 | 2026 NNA Silver State Championships | |
| 1537 | Beau Hastings | 47.02 | 9 | BB Min | A: 43.09 (+3.93s | 8.4%) | Waves Of Wilmington Inc | 04/25/2026 | 2026 WAVE Sprint Into LC | |
| 1538 | Sebastian Dudenko | 47.03 | 9 | BB Min | A: 43.09 (+3.94s | 8.4%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 1539 | Bodhi Lauby | 47.03 | 10 | BB Min | A: 43.09 (+3.94s | 8.4%) | Sea Devils | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1540 | Liam Shi | 47.04 | 10 | BB Min | A: 43.09 (+3.95s | 8.4%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 1541 | Grayson Zachar | 47.04 | 10 | BB Min | A: 43.09 (+3.95s | 8.4%) | Old North State Aquatics | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 1542 | Hugh McDonnell | 47.05 | 9 | BB Min | A: 43.09 (+3.96s | 8.4%) | YMCA of the North Shore Sharks | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 1543 | Octavio Bejarano Barraza | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Centro Acuatico Universitario | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 1544 | Giovanni Bigelow | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Thunderbird Aquatic Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 1545 | Leo Ryley | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Frederick Area Swim Team | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1546 | Stiles McCumber | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Huntsville Swim Association | 04/18/2026 | HSA April LC Meet | |
| 1547 | Ronin Bennett | 47.07 | 10 | BB Min | A: 43.09 (+3.98s | 8.5%) | Prince William Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1548 | Lukas Zazhitskiy | 47.08 | 9 | BB Min | A: 43.09 (+3.99s | 8.5%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 1549 | Cayden Lin | 47.09 | 10 | BB Min | A: 43.09 (+4.00s | 8.5%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 1550 | Alexander Zhurid | 47.10 | 9 | BB Min | A: 43.09 (+4.01s | 8.5%) | Bellevue Club Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
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.