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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2451 | Lucas Workman | 51.61 | 9 | B Min | BB: 49.29 (+2.32s | 4.5%) | Hanover Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 2452 | Dario Torres | 51.61 | 10 | B Min | BB: 49.29 (+2.32s | 4.5%) | South Florida Stallions | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 2453 | Maximilian Kuo | 51.62 | 7 | B Min | BB: 49.29 (+2.33s | 4.5%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 2454 | Clement Pauk | 51.62 | 10 | B Min | BB: 49.29 (+2.33s | 4.5%) | Commonwealth Swimming | 05/16/2026 | 2026 NE CS Spring Fever | |
| 2455 | Henry Arenberg | 51.62 | 10 | B Min | BB: 49.29 (+2.33s | 4.5%) | Csp Tideriders | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 2456 | 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 | |
| 2457 | 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 | |
| 2458 | 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 | |
| 2459 | 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 | |
| 2460 | 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+ | |
| 2461 | Kellan Guo | 51.64 | 8 | B Min | BB: 49.29 (+2.35s | 4.6%) | Cougar Aquatic Team | 05/30/2026 | 2026 HACY Summer Solstice | |
| 2462 | 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 | |
| 2463 | Dean Bernard | 51.65 | 10 | B Min | BB: 49.29 (+2.36s | 4.6%) | Hillsborough Aquatic Club | 05/15/2026 | 2026 ECA Beach Invitational | |
| 2464 | Nico Hannemann | 51.66 | 10 | B Min | BB: 49.29 (+2.37s | 4.6%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 2465 | 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 | |
| 2466 | Dmitry Temkin | 51.67 | 10 | B Min | BB: 49.29 (+2.38s | 4.6%) | West Coast Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 2467 | Aidan Hodges | 51.67 | 10 | B Min | BB: 49.29 (+2.38s | 4.6%) | Southwest Aquatic Warriors | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 2468 | 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 | |
| 2469 | Alexander Cowan | 51.68 | 10 | B Min | BB: 49.29 (+2.39s | 4.6%) | Summit Area YMCA | 05/09/2026 | 2026 CAT May The Splash Be With You | |
| 2470 | 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 | |
| 2471 | Joshua Zazzi | 51.69 | 10 | B Min | BB: 49.29 (+2.40s | 4.6%) | SwimAtlanta | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 2472 | Leon Lv | 51.70 | 9 | B Min | BB: 49.29 (+2.41s | 4.7%) | Mecklenburg Swim Association | 07/24/2026 | 2026 Sailfish Summer Splash | |
| 2473 | Noah Quevedo | 51.70 | 10 | B Min | BB: 49.29 (+2.41s | 4.7%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 2474 | 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 | |
| 2475 | 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 | |
| 2476 | 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 | |
| 2477 | 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 | |
| 2478 | Samuel Summers | 51.72 | 9 | B Min | BB: 49.29 (+2.43s | 4.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 2479 | Ryan Hu | 51.73 | 9 | B Min | BB: 49.29 (+2.44s | 4.7%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 2480 | Finn Scott | 51.73 | 10 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 2481 | 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 | |
| 2482 | 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 | |
| 2483 | 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 | |
| 2484 | 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 | |
| 2485 | Lincoln Fritz | 51.76 | 10 | B Min | BB: 49.29 (+2.47s | 4.8%) | Fast Falcons | 06/25/2026 | 2026 FAST Independence Invitational | |
| 2486 | Liam Arrobo | 51.76 | 8 | B Min | BB: 49.29 (+2.47s | 4.8%) | Hillsboro Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 2487 | Joaquin Garcia | 51.76 | 10 | B Min | BB: 49.29 (+2.47s | 4.8%) | Unattached | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 2488 | Paxton Winheim | 51.77 | 6 | B Min | BB: 49.29 (+2.48s | 4.8%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2489 | 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 | |
| 2490 | 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) | |
| 2491 | 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 | |
| 2492 | 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 | |
| 2493 | 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 | |
| 2494 | 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 | |
| 2495 | Devin Gao | 51.81 | 10 | B Min | BB: 49.29 (+2.52s | 4.9%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 2496 | Shivansh Podder | 51.81 | 8 | B Min | BB: 49.29 (+2.52s | 4.9%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 2497 | Michael Bruening | 51.81 | 10 | B Min | BB: 49.29 (+2.52s | 4.9%) | Parkway-Rockwood Gateway Swim | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 2498 | 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 | |
| 2499 | 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 | |
| 2500 | 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.