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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Landon Marshall | 46.65 | 10 | BB Min | A: 43.09 (+3.56s | 7.6%) | Lake Erie Silver Dolphins | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1452 | Alex van den Berg | 46.66 | 9 | BB Min | A: 43.09 (+3.57s | 7.7%) | Swim Melbourne | 05/22/2026 | 2026 Dr Aspi Doctor Memorial Swim Invite | |
| 1453 | Joseph Gordon | 46.66 | 10 | BB Min | A: 43.09 (+3.57s | 7.7%) | Unattached | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1454 | Hunter Perfect | 46.67 | 10 | BB Min | A: 43.09 (+3.58s | 7.7%) | River Falls Swim Club | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 1455 | Ransom Schwartz | 46.68 | 10 | BB Min | A: 43.09 (+3.59s | 7.7%) | Swim Florida | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 1456 | Noah Jagdev | 46.68 | 10 | BB Min | A: 43.09 (+3.59s | 7.7%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 1457 | Archie McCallum | 46.68 | 8 | BB Min | A: 43.09 (+3.59s | 7.7%) | Poseidon Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1458 | Leif Reiersen | 46.70 | 10 | BB Min | A: 43.09 (+3.61s | 7.7%) | El Paso Aqua Posse | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 1459 | Lucas Sun | 46.70 | 10 | BB Min | A: 43.09 (+3.61s | 7.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 1460 | Thomas Prochazka | 46.71 | 10 | BB Min | A: 43.09 (+3.62s | 7.7%) | East Coast Aquatic Team | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 1461 | Mason Murphy | 46.71 | 8 | BB Min | A: 43.09 (+3.62s | 7.7%) | SwimMAC Carolina | 07/24/2026 | 2026 NC SwimMAC LC Summer Sun Sational | |
| 1462 | SJ Patel | 46.72 | 10 | BB Min | A: 43.09 (+3.63s | 7.8%) | Ensworth Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 1463 | Tristan Tellez | 46.72 | 10 | BB Min | A: 43.09 (+3.63s | 7.8%) | Rattlers Swim Club | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 1464 | Srikar Yeturu | 46.72 | 10 | BB Min | A: 43.09 (+3.63s | 7.8%) | Delaware Riptide YMCA Swim Tea | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1465 | Damon Shao | 46.73 | 9 | BB Min | A: 43.09 (+3.64s | 7.8%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 1466 | Tanner Sheeran | 46.73 | 8 | BB Min | A: 43.09 (+3.64s | 7.8%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1467 | Mark Badziong | 46.73 | 9 | BB Min | A: 43.09 (+3.64s | 7.8%) | HEAT- Hudson Explorers Aquatic | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1468 | Andrew Li | 46.74 | 9 | BB Min | A: 43.09 (+3.65s | 7.8%) | Crimson Aquatics | 05/16/2026 | 2026 NE CS Spring Fever | |
| 1469 | Charles Storm | 46.75 | 9 | BB Min | A: 43.09 (+3.66s | 7.8%) | Enfinity Aquatic Club | 05/15/2026 | 2026 EAC Memorial Invite | |
| 1470 | Nicholas Stefan | 46.75 | 10 | BB Min | A: 43.09 (+3.66s | 7.8%) | Teamgoldusa | 07/10/2026 | 2026 NNA Silver State Championships | |
| 1471 | Asa Bains | 46.75 | 10 | BB Min | A: 43.09 (+3.66s | 7.8%) | Csp Tideriders | 06/26/2026 | 88th CSP Summer Invitational | |
| 1472 | Wesley Clemens | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Bay Club Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 1473 | Levi Bynum | 46.76 | 9 | BB Min | A: 43.09 (+3.67s | 7.8%) | Clover Aquatics | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1474 | Aiden Mao | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1475 | Logan Liew | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 1476 | Dean Deliessche | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 1477 | Daniel Heilman | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | San Francisco Seals Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 1478 | Mitchell Novack | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Platinum Aquatics | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1479 | Jacob Ramos | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Tac Titans | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 1480 | Nathaniel Johnson | 46.77 | 8 | BB Min | A: 43.09 (+3.68s | 7.9%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 1481 | David Rivera | 46.77 | 10 | BB Min | A: 43.09 (+3.68s | 7.9%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 1482 | Harrison Marr | 46.78 | 10 | BB Min | A: 43.09 (+3.69s | 7.9%) | Northwest Georgia Aquatics | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 1483 | Joseph Mohler | 46.78 | 10 | BB Min | A: 43.09 (+3.69s | 7.9%) | Tampa Bay Aquatic Club | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1484 | Jordy Walder | 46.78 | 10 | BB Min | A: 43.09 (+3.69s | 7.9%) | Dakota Riptide | 07/24/2026 | 2026 SD Long Course State Championship | |
| 1485 | Michael Knodt | 46.79 | 10 | BB Min | A: 43.09 (+3.70s | 7.9%) | Minnetonka Swim Club | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 1486 | Jack Nadelson | 46.80 | 9 | BB Min | A: 43.09 (+3.71s | 7.9%) | Rhode Island Aquatic Club | 05/16/2026 | 2026 NE CS Spring Fever | |
| 1487 | James Mayo | 46.80 | 10 | BB Min | A: 43.09 (+3.71s | 7.9%) | Gulf Coast Swim Team | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 1488 | Lukas Klassen | 46.80 | 10 | BB Min | A: 43.09 (+3.71s | 7.9%) | Lake Lytal Lightning | 07/10/2026 | 2026 FG LCM BB Champs North | |
| 1489 | Santiago Obando Cometa | 46.80 | 10 | BB Min | A: 43.09 (+3.71s | 7.9%) | Columbia Aquatics Association | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1490 | Santiago Pena | 46.80 | 10 | BB Min | A: 43.09 (+3.71s | 7.9%) | Harlingen Cisd Seal Team | 05/16/2026 | 2026 ST LC BAS May Swim Meet | |
| 1491 | Benjamin Li | 46.81 | 9 | BB Min | A: 43.09 (+3.72s | 7.9%) | Eagle Swim Team Inc. | 07/17/2026 | 2026 MD Long Course Last Chance Meet | |
| 1492 | Maxim Tedtoev | 46.81 | 9 | BB Min | A: 43.09 (+3.72s | 7.9%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 1493 | Nicholas Medina | 46.81 | 9 | BB Min | A: 43.09 (+3.72s | 7.9%) | Laker Swim | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 1494 | Miles Wang | 46.82 | 9 | BB Min | A: 43.09 (+3.73s | 8.0%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1495 | Fisher McCain | 46.83 | 8 | BB Min | A: 43.09 (+3.74s | 8.0%) | Starkville Swim Team | 04/18/2026 | 2026 Carson Muir Cowgirl Classic | |
| 1496 | Nikshay Chandrasekar | 46.83 | 10 | BB Min | A: 43.09 (+3.74s | 8.0%) | Pro Swimming | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1497 | Niko Van Halen | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Swim Florida | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 1498 | Kolten Graver | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Life Time Colorado Swim Club | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 1499 | Jackson Williams | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Calvert Aquatics Club | 06/13/2026 | 2026 CAC Schools Out For Summer LCM Swim Meet | |
| 1500 | Yunhan Song | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Eastside Aquatic Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
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.