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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2601 | Oleg Rassadin | 51.63 | 9 | B Min | BB: 49.29 (+2.34s | 4.5%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 2602 | Ethan Li | 51.63 | 7 | B Min | BB: 49.29 (+2.34s | 4.5%) | Mason Manta Rays | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 2603 | Kaan Tufan | 51.63 | 9 | B Min | BB: 49.29 (+2.34s | 4.5%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 2604 | Hank Yu | 51.63 | 10 | B Min | BB: 49.29 (+2.34s | 4.5%) | SwimMAC Carolina | 07/24/2026 | 2026 NC SwimMAC LC Summer Sun Sational | |
| 2605 | Alexey Kostryukov | 51.64 | 10 | B Min | BB: 49.29 (+2.35s | 4.6%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 2606 | Dominic Angerami | 51.65 | 10 | B Min | BB: 49.29 (+2.36s | 4.6%) | San Francisco Seals Swim Team | 06/12/2026 | Neptune Swimming June LC Meet | |
| 2607 | Dean Bernard | 51.65 | 10 | B Min | BB: 49.29 (+2.36s | 4.6%) | Hillsborough Aquatic Club | 05/15/2026 | 2026 ECA Beach Invitational | |
| 2608 | Nico Hannemann | 51.66 | 9 | B Min | BB: 49.29 (+2.37s | 4.6%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 2609 | Dmitry Temkin | 51.67 | 9 | B Min | BB: 49.29 (+2.38s | 4.6%) | West Coast Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 2610 | Thomas Barker | 51.67 | 9 | B Min | BB: 49.29 (+2.38s | 4.6%) | Escalate Aquatic Team | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 2611 | Aidan Hodges | 51.67 | 9 | B Min | BB: 49.29 (+2.38s | 4.6%) | Southwest Aquatic Warriors | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 2612 | Max Shen | 51.68 | 10 | B Min | BB: 49.29 (+2.39s | 4.6%) | Charles River Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2613 | William MacDonald | 51.68 | 10 | B Min | BB: 49.29 (+2.39s | 4.6%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 2614 | Joshua Zazzi | 51.69 | 10 | B Min | BB: 49.29 (+2.40s | 4.6%) | SwimAtlanta | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 2615 | August Scherbel | 51.69 | 9 | B Min | BB: 49.29 (+2.40s | 4.6%) | Saint Louis Tsunami Swimming | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 2616 | Noah Quevedo | 51.70 | 10 | B Min | BB: 49.29 (+2.41s | 4.7%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 2617 | Leon Lv | 51.70 | 9 | B Min | BB: 49.29 (+2.41s | 4.7%) | Mecklenburg Swim Association | 07/24/2026 | 2026 Sailfish Summer Splash | |
| 2618 | Kroy Riley | 51.71 | 10 | B Min | BB: 49.29 (+2.42s | 4.7%) | High Performance Aquatic Club | 05/31/2025 | 2025 ST HPAC Sunshine Splash | |
| 2619 | Rainier Chen | 51.71 | 9 | B Min | BB: 49.29 (+2.42s | 4.7%) | Hill Country Aquatics | 05/01/2026 | 2026 ST HCA Long Course Invitational | |
| 2620 | Liam Alcantara | 51.71 | 8 | B Min | BB: 49.29 (+2.42s | 4.7%) | Heritage Aquatic Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 2621 | Luther Zielke | 51.71 | 9 | B Min | BB: 49.29 (+2.42s | 4.7%) | Hurricanes Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 2622 | Ethan Tse | 51.71 | 9 | B Min | BB: 49.29 (+2.42s | 4.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 2623 | Samuel Summers | 51.72 | 8 | B Min | BB: 49.29 (+2.43s | 4.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 2624 | Lucas Aguilar Fortuny | 51.72 | 10 | B Min | BB: 49.29 (+2.43s | 4.7%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 2625 | Ryan Hu | 51.73 | 8 | B Min | BB: 49.29 (+2.44s | 4.7%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 2626 | Harlan Folk | 51.73 | 10 | B Min | BB: 49.29 (+2.44s | 4.7%) | Aquajets Swim Team | 07/17/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 2627 | Finn Scott | 51.73 | 10 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 2628 | Theodore Anderson | 51.74 | 9 | B Min | BB: 49.29 (+2.45s | 4.7%) | Rush | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 2629 | Miles Haberle | 51.74 | 8 | B Min | BB: 49.29 (+2.45s | 4.7%) | Mecklenburg Swim Association | 06/20/2026 | 2026 NCS QCD Long Course Invite | |
| 2630 | Bodhi Sharma | 51.75 | 10 | B Min | BB: 49.29 (+2.46s | 4.8%) | Opelika Swim Team | 05/16/2026 | 2026 Opelika Open | |
| 2631 | Zyan Belardo | 51.75 | 8 | B Min | BB: 49.29 (+2.46s | 4.8%) | Upper Valley Aquatic Club | 06/26/2026 | 2026 NE MST ESC June Memorial | |
| 2632 | Grayson Cadwallader | 51.75 | 10 | B Min | BB: 49.29 (+2.46s | 4.8%) | YMCA of the Triangle Area Swim | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 2633 | Lincoln Fritz | 51.76 | 10 | B Min | BB: 49.29 (+2.47s | 4.8%) | Fast Falcons | 06/25/2026 | 2026 FAST Independence Invitational | |
| 2634 | Liam Arrobo | 51.76 | 7 | B Min | BB: 49.29 (+2.47s | 4.8%) | Hillsboro Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 2635 | Joaquin Garcia | 51.76 | 10 | B Min | BB: 49.29 (+2.47s | 4.8%) | Unattached | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 2636 | Paxton Winheim | 51.77 | 6 | B Min | BB: 49.29 (+2.48s | 4.8%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2637 | Trenton Ho | 51.78 | 9 | B Min | BB: 49.29 (+2.49s | 4.8%) | Lone Star Aquatic Club | 07/03/2025 | 2025 ST LSAC Ultimate Time Trial (LCM) | |
| 2638 | Ferris Mecleary | 51.78 | 8 | B Min | BB: 49.29 (+2.49s | 4.8%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 2639 | Lincoln Mills | 51.79 | 9 | B Min | BB: 49.29 (+2.50s | 4.8%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 2640 | Alfonso Salinas | 51.79 | 10 | B Min | BB: 49.29 (+2.50s | 4.8%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 2641 | Quincy Lofton | 51.80 | 8 | B Min | BB: 49.29 (+2.51s | 4.8%) | Star Aquatics | 04/17/2026 | 2026 STAR April Friday Night At The Races | |
| 2642 | Lucas Hernandez | 51.80 | 10 | B Min | BB: 49.29 (+2.51s | 4.8%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 2643 | Shivansh Podder | 51.81 | 8 | B Min | BB: 49.29 (+2.52s | 4.9%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 2644 | Michael Bruening | 51.81 | 9 | B Min | BB: 49.29 (+2.52s | 4.9%) | Parkway-Rockwood Gateway Swim | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 2645 | Devin Gao | 51.81 | 10 | B Min | BB: 49.29 (+2.52s | 4.9%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 2646 | Finn Shields | 51.82 | 10 | B Min | BB: 49.29 (+2.53s | 4.9%) | Bluefish Swim Club | 05/30/2026 | 2026 NE NSSC May Invitational At Colby | |
| 2647 | Lucas Silva | 51.82 | 10 | B Min | BB: 49.29 (+2.53s | 4.9%) | Longhorn Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2648 | Aidan Chaney | 51.82 | 9 | B Min | BB: 49.29 (+2.53s | 4.9%) | Seacoast Swim Club | 07/10/2026 | 2026 NE NSSC July Trials Finals @ Colby | |
| 2649 | Daniel Abel | 51.82 | 9 | B Min | BB: 49.29 (+2.53s | 4.9%) | Central Minnesota Aquatics | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 2650 | Owen Martin | 51.82 | 8 | B Min | BB: 49.29 (+2.53s | 4.9%) | Fast Falcons | 06/25/2026 | 2026 FAST Independence 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.