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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Mason Nordin | 36.18 | 10 | A Min | AA: 35.79 (+0.39s | 1.1%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 602 | Jasper de Szoeke | 36.19 | 10 | A Min | AA: 35.79 (+0.40s | 1.1%) | Corvallis Aquatic Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 603 | Samual Williamson | 36.19 | 9 | A Min | AA: 35.79 (+0.40s | 1.1%) | Lebanon | 02/11/2026 | 2026 OR HS 5a 3 | |
| 604 | Hank Morton | 36.21 | 10 | A Min | AA: 35.79 (+0.42s | 1.2%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 605 | Kyle Whitley | 36.21 | 10 | A Min | AA: 35.79 (+0.42s | 1.2%) | Fast Falcons | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 606 | Dylan Laidlaw | 36.21 | 10 | A Min | AA: 35.79 (+0.42s | 1.2%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 607 | Philip Wong | 36.22 | 10 | A Min | AA: 35.79 (+0.43s | 1.2%) | Trident Aquatic Club | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 608 | Cash Hardy | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | West Valley High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 609 | Isaiah Isreal | 36.24 | 9 | A Min | AA: 35.79 (+0.45s | 1.2%) | New Albany Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 610 | Kolbe Bell | 36.25 | 9 | A Min | AA: 35.79 (+0.46s | 1.3%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 611 | Peter Lall | 36.25 | 10 | A Min | AA: 35.79 (+0.46s | 1.3%) | Upper Dublin Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 612 | Austin Yang | 36.26 | 10 | A Min | AA: 35.79 (+0.47s | 1.3%) | Three Village Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 613 | Joshua Margolius | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | Rivertown Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 614 | Samuel Wacek | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Alexandria Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 615 | Elias Morgan | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 616 | Vihaan Pothuneedi | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Staten Island Aquatics Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 617 | Wilder Phillippay | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 618 | Nathaniel Maravolo | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Hurricane Penguins Swim Club | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 619 | Hines Butler | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Gators | 03/27/2026 | 2026 Sunshine State Showcase | |
| 620 | Paxton Wilson | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 621 | Jameson Knesek | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Supernova Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 622 | Roman Kuleshov | 36.28 | 9 | A Min | AA: 35.79 (+0.49s | 1.4%) | Saint Andrew\\\\\\'s Aquatics | 02/06/2026 | Friendship Meet 2026 | |
| 623 | Harvey Zhang | 36.28 | 10 | A Min | AA: 35.79 (+0.49s | 1.4%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 624 | Dexter Danont | 36.28 | 10 | A Min | AA: 35.79 (+0.49s | 1.4%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 625 | Jorden Li | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Arctic Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 626 | Joseph Lin | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 627 | Caleb Nash | 36.29 | 9 | A Min | AA: 35.79 (+0.50s | 1.4%) | Enfinity Aquatic Club | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 628 | Caleb Harrison | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 629 | Felix Nguyen | 36.30 | 10 | A Min | AA: 35.79 (+0.51s | 1.4%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 630 | Yusuf Islam | 36.30 | 10 | A Min | AA: 35.79 (+0.51s | 1.4%) | Patuxent Aquatics Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 631 | Johnathan Wang | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 632 | Landen Chen | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Revolution Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 633 | Colin Camalier | 36.31 | 10 | A Min | AA: 35.79 (+0.52s | 1.4%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 634 | Matteo Castro-Munoz | 36.31 | 10 | A Min | AA: 35.79 (+0.52s | 1.4%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 635 | Ethan Wang | 36.31 | 9 | A Min | AA: 35.79 (+0.52s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 636 | Jozua Sugianto | 36.31 | 10 | A Min | AA: 35.79 (+0.52s | 1.4%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 637 | Nolan Ruther | 36.32 | 10 | A Min | AA: 35.79 (+0.53s | 1.5%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 638 | Aldar Khamutaev | 36.33 | 9 | A Min | AA: 35.79 (+0.54s | 1.5%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 639 | Baker Lowrance | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 640 | Mason Stout | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | Foxjets Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 641 | Riccardo Sardena | 36.34 | 9 | A Min | AA: 35.79 (+0.55s | 1.5%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 642 | Mason Pitts | 36.35 | 9 | A Min | AA: 35.79 (+0.56s | 1.5%) | Kelso | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 643 | Qifan Gong | 36.35 | 9 | A Min | AA: 35.79 (+0.56s | 1.5%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 644 | Ario Pardee | 36.35 | 10 | A Min | AA: 35.79 (+0.56s | 1.5%) | Maui Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 645 | Thomas Blumenschein | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 646 | Eric Zeng | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 647 | Matthew Frankovic | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 648 | Adam Lum | 36.37 | 10 | A Min | AA: 35.79 (+0.58s | 1.6%) | Lakewood Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 649 | Theodore Herrera | 36.38 | 10 | A Min | AA: 35.79 (+0.59s | 1.6%) | Crimson Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 650 | Joseph Nguyen | 36.38 | 9 | A Min | AA: 35.79 (+0.59s | 1.6%) | Three Village Swim Club | 12/11/2025 | 2025 MR HAUP Eagle 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.