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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1551 | Nolan Bocan | 47.12 | 8 | BB Min | A: 43.09 (+4.03s | 8.6%) | YMCA of Northwest North Caroli | 06/25/2026 | ONSA Independence Invitational Copied | |
| 1552 | Jacob Gamio | 47.12 | 9 | BB Min | A: 43.09 (+4.03s | 8.6%) | Alamo Heights Aquatic Club ? A | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1553 | Robert Kolesnik | 47.12 | 10 | BB Min | A: 43.09 (+4.03s | 8.6%) | Bulldog Swim Club | 07/25/2026 | Alto Last Splash | |
| 1554 | Jeremiah Lee | 47.12 | 10 | BB Min | A: 43.09 (+4.03s | 8.6%) | Chinook Aquatic Club | 05/28/2026 | 2026 IE VS Apple Capital | |
| 1555 | Eric Yi | 47.13 | 9 | BB Min | A: 43.09 (+4.04s | 8.6%) | Frederick Area Swim Team | 05/29/2026 | 2026 FOX Speedo Summer Spectacular Meet | |
| 1556 | Mor Mihalyi | 47.14 | 9 | BB Min | A: 43.09 (+4.05s | 8.6%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 1557 | Han Song | 47.14 | 10 | BB Min | A: 43.09 (+4.05s | 8.6%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 1558 | Emerson Ronston | 47.14 | 10 | BB Min | A: 43.09 (+4.05s | 8.6%) | Life Time Swim Missouri | 06/26/2026 | 88th CSP Summer Invitational | |
| 1559 | Kyu Bae | 47.14 | 9 | BB Min | A: 43.09 (+4.05s | 8.6%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 1560 | Yifan Liu | 47.14 | 9 | BB Min | A: 43.09 (+4.05s | 8.6%) | Mei\\\\\\'s Typhoons Swimming Club | 05/15/2026 | 2026 NE YNS May Specialty Meet | |
| 1561 | Aiden Huang | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1562 | Elliott Lee Chan Kam | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 1563 | Lincoln Suggs | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | Patriot Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1564 | Henry Truax | 47.15 | 10 | B: 44.49 (+2.66s | 5.6%) | Mecklenburg Swim Association | 05/02/2026 | ATOM May The Force 2026 | ||
| 1565 | Neal Hiuga | 47.16 | 9 | BB Min | A: 43.09 (+4.07s | 8.6%) | California Gold | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1566 | Aleksander Zuev | 47.16 | 10 | BB Min | A: 43.09 (+4.07s | 8.6%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 1567 | Connor Kimener | 47.16 | 10 | BB Min | A: 43.09 (+4.07s | 8.6%) | Cincinnati Marlins | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 1568 | Briggs North | 47.16 | 10 | BB Min | A: 43.09 (+4.07s | 8.6%) | Aberdeen Swim Club | 06/13/2025 | 2025 SD Aberdeen Summer High Point Swim Meet | |
| 1569 | Breck Ervin | 47.16 | 9 | BB Min | A: 43.09 (+4.07s | 8.6%) | SwimRise Aquatics | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 1570 | Nguyen Tran | 47.17 | 8 | BB Min | A: 43.09 (+4.08s | 8.6%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1571 | Harvey Yuan | 47.18 | 8 | BB Min | A: 43.09 (+4.09s | 8.7%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1572 | Zohair Ghani | 47.19 | 10 | BB Min | A: 43.09 (+4.10s | 8.7%) | YMCA Barracudas | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 1573 | Stephen Hogan | 47.19 | 10 | BB Min | A: 43.09 (+4.10s | 8.7%) | Retriever Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1574 | Philip Klocek | 47.19 | 10 | BB Min | A: 43.09 (+4.10s | 8.7%) | Toronto Swim Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1575 | Maxim Luzan | 47.19 | 10 | BB Min | A: 43.09 (+4.10s | 8.7%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 1576 | Louis Roedersheimer | 47.20 | 10 | BB Min | A: 43.09 (+4.11s | 8.7%) | Cincinnati Marlins | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 1577 | Ryan Ferguson | 47.21 | 10 | BB Min | A: 43.09 (+4.12s | 8.7%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1578 | Arpan Regmi | 47.21 | 9 | BB Min | A: 43.09 (+4.12s | 8.7%) | Unified Aquatics Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1579 | Kensington Hull | 47.21 | 10 | BB Min | A: 43.09 (+4.12s | 8.7%) | Heartland Swim Assoc | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 1580 | Cameron Hernandez | 47.21 | 9 | BB Min | A: 43.09 (+4.12s | 8.7%) | Columbia Aquatics Association | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1581 | Kabir Patel-Pingat | 47.21 | 10 | BB Min | A: 43.09 (+4.12s | 8.7%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 1582 | Mason Wong | 47.23 | 10 | BB Min | A: 43.09 (+4.14s | 8.8%) | Cavalier Aquatics/Piedmont Fam | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 1583 | Parker Voiles | 47.23 | 10 | BB Min | A: 43.09 (+4.14s | 8.8%) | Northern KY Clippers | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 1584 | Ethan Holmgren | 47.24 | 10 | BB Min | A: 43.09 (+4.15s | 8.8%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1585 | James Sollog | 47.24 | 9 | BB Min | A: 43.09 (+4.15s | 8.8%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 1586 | Anthony Wang | 47.25 | 8 | BB Min | A: 43.09 (+4.16s | 8.8%) | 757swim | 06/26/2026 | 2026 VSI LC SE District Champs | |
| 1587 | Ali Fadlallah | 47.25 | 9 | BB Min | A: 43.09 (+4.16s | 8.8%) | Greater Toledo Aquatic Club | 07/10/2026 | 2026 OH NW LC Regional Champs | |
| 1588 | William Wuchter | 47.26 | 8 | BB Min | A: 43.09 (+4.17s | 8.8%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 1589 | Kason Cullen | 47.26 | 10 | BB Min | A: 43.09 (+4.17s | 8.8%) | Aloha Aquatics Association | 07/16/2026 | 2026 HISI LCM Championships | |
| 1590 | Ryan Hu | 47.26 | 8 | BB Min | A: 43.09 (+4.17s | 8.8%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 1591 | Zachariah Cornine | 47.26 | 10 | BB Min | A: 43.09 (+4.17s | 8.8%) | South Lake Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 1592 | Hudson Rausch | 47.27 | 9 | BB Min | A: 43.09 (+4.18s | 8.8%) | Brookings Swim Club | 06/12/2026 | 2026 Splash Central Invitational | |
| 1593 | Adrian Karimov | 47.27 | 9 | BB Min | A: 43.09 (+4.18s | 8.8%) | Bravo Swim Team | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 1594 | Nathan Nguyen | 47.27 | 10 | BB Min | A: 43.09 (+4.18s | 8.8%) | San Jose Goosemonkeys | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 1595 | Oran Powers | 47.27 | 8 | BB Min | A: 43.09 (+4.18s | 8.8%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1596 | Donavan Sy | 47.28 | 9 | BB Min | A: 43.09 (+4.19s | 8.9%) | Socal Aquatics Association | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 1597 | Kent Johnson | 47.28 | 9 | BB Min | A: 43.09 (+4.19s | 8.9%) | Area Tallahassee Aquatic Club | 06/26/2026 | ATAC Long Course Invitational | |
| 1598 | Ian Susanto | 47.29 | 9 | BB Min | A: 43.09 (+4.20s | 8.9%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 1599 | Conrad Wang | 47.29 | 9 | BB Min | A: 43.09 (+4.20s | 8.9%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 1600 | Oskaras Monkelis | 47.30 | 10 | BB Min | A: 43.09 (+4.21s | 8.9%) | West Florida Lightning Aquatic | 06/19/2026 | 2026 Lightning 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.