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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | William Haines | 41.22 | 10 | A Min | AA: 41.09 (+0.13s | 0.3%) | North Shore Swim Club | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 352 | Nathan Applegate | 41.24 | 10 | A Min | AA: 41.09 (+0.15s | 0.4%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 353 | Daniel Perekotiy | 41.24 | 10 | A Min | AA: 41.09 (+0.15s | 0.4%) | Mission Viejo Nadadores | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 354 | Ilan Rattner | 41.24 | 10 | A Min | AA: 41.09 (+0.15s | 0.4%) | Sunnyvale Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 355 | Marco Hines | 41.26 | 10 | A Min | AA: 41.09 (+0.17s | 0.4%) | Southwest Aquatic Team | 07/23/2026 | 2026 BD Long Course Championship | |
| 356 | Sameer Pai | 41.26 | 10 | A Min | AA: 41.09 (+0.17s | 0.4%) | Aquajets Swim Team | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 357 | Carter Ripley | 41.27 | 10 | A Min | AA: 41.09 (+0.18s | 0.4%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 358 | Ezekiel Cabanilla | 41.28 | 10 | A Min | AA: 41.09 (+0.19s | 0.5%) | Maui Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 359 | Henry Havens | 41.28 | 10 | A Min | AA: 41.09 (+0.19s | 0.5%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 360 | Easson Ji | 41.30 | 9 | A Min | AA: 41.09 (+0.21s | 0.5%) | Xtreme Swim Club | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | |
| 361 | Charles Qiao | 41.32 | 9 | A Min | AA: 41.09 (+0.23s | 0.6%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 362 | Blake Hathorn | 41.34 | 10 | A Min | AA: 41.09 (+0.25s | 0.6%) | Com Aquatics | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 363 | Dmitry Klyukin | 41.34 | 10 | A Min | AA: 41.09 (+0.25s | 0.6%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 364 | Peter Enberg | 41.34 | 9 | A Min | AA: 41.09 (+0.25s | 0.6%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | |
| 365 | Lucas Jaranilla | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | Garden Grove Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 366 | Theodore Ream | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | SwimMAC Carolina | 07/24/2026 | 2026 NC SwimMAC LC Summer Sun Sational | |
| 367 | John Clegg | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | Gbsa - Greater Baltimore Swim | 07/29/2026 | 2026 MD LSC LC Championship | |
| 368 | Jayden Liu | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | Seattle Metropolitan Aquatic C | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 369 | Kyle Whitley | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | Fast Falcons | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 370 | Jack Broadbent | 41.38 | 10 | A Min | AA: 41.09 (+0.29s | 0.7%) | Mystic Hammerheads | 05/16/2026 | 2026 NE KCY Invitational | |
| 371 | Ezekiel Cardenas | 41.38 | 9 | A Min | AA: 41.09 (+0.29s | 0.7%) | EL Paso Border Land Swim Team | 07/23/2026 | 2026 BD Long Course Championship | |
| 372 | Rainan Joshi | 41.39 | 10 | A Min | AA: 41.09 (+0.30s | 0.7%) | Columbia Aquatics Association | 07/29/2026 | 2026 MD LSC LC Championship | |
| 373 | Benjamin Hankinson | 41.39 | 10 | A Min | AA: 41.09 (+0.30s | 0.7%) | Jupiter Dragons Swim Team | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 374 | Owen Kramer | 41.41 | 10 | A Min | AA: 41.09 (+0.32s | 0.8%) | New Wave Swim Team | 07/16/2026 | 2026 NCS LC AG Championships | |
| 375 | Ozzy Su | 41.42 | 10 | A Min | AA: 41.09 (+0.33s | 0.8%) | Quicksilver Swimming | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 376 | Jiadong Guo | 41.43 | 10 | A Min | AA: 41.09 (+0.34s | 0.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 377 | Hunter Wilson | 41.44 | 10 | A Min | AA: 41.09 (+0.35s | 0.8%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 378 | Trajon Schumacher | 41.44 | 10 | A Min | AA: 41.09 (+0.35s | 0.8%) | Unattached | 06/19/2026 | 2026 MultiCultural Zones | |
| 379 | George Yu | 41.46 | 10 | A Min | AA: 41.09 (+0.37s | 0.9%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 380 | Henry Jarchow | 41.46 | 9 | A Min | AA: 41.09 (+0.37s | 0.9%) | St Croix Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 381 | Kyrie Song | 41.47 | 9 | A Min | AA: 41.09 (+0.38s | 0.9%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 382 | Henry Zohorsky | 41.47 | 9 | A Min | AA: 41.09 (+0.38s | 0.9%) | Loyola Blakefield Aquatics | 07/29/2026 | 2026 MD LSC LC Championship | |
| 383 | Johnny Calhoun | 41.48 | 10 | A Min | AA: 41.09 (+0.39s | 0.9%) | Nova of Virginia | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 384 | Hayden Reed | 41.48 | 10 | A Min | AA: 41.09 (+0.39s | 0.9%) | C.M. Gatton Beaumont YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 385 | Colin Paget | 41.49 | 10 | B Min | BB: 41.09 (+0.40s | 1.0%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 386 | Meron Tsegai | 41.50 | 9 | A Min | AA: 41.09 (+0.41s | 1.0%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 387 | Lawrence Wang | 41.50 | 8 | A Min | AA: 41.09 (+0.41s | 1.0%) | Jersey Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 388 | Thomas Nash | 41.52 | 10 | A Min | AA: 41.09 (+0.43s | 1.0%) | Coast Gaurd Blue Dolphins | 06/26/2026 | 2026 VSI LC SE District Champs | |
| 389 | Ethan Cookson | 41.52 | 10 | A Min | AA: 41.09 (+0.43s | 1.0%) | SwimRise Aquatics | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 390 | Carson Logar | 41.53 | 10 | A Min | AA: 41.09 (+0.44s | 1.1%) | Mecklenburg Swim Association | 07/16/2026 | 2026 NCS LC AG Championships | |
| 391 | Lars Roquet | 41.53 | 10 | A Min | AA: 41.09 (+0.44s | 1.1%) | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 392 | Benjamin Fobbs | 41.54 | 10 | A Min | AA: 41.09 (+0.45s | 1.1%) | North Baltimore Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 393 | Daniel Reschke | 41.54 | 10 | A Min | AA: 41.09 (+0.45s | 1.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 394 | Henry Lampley | 41.54 | 9 | A Min | AA: 41.09 (+0.45s | 1.1%) | YMCA of Florida\\\\\\'s First Coast | 06/26/2026 | 2026 SwimRise Season Finale | |
| 395 | Lev Petrovskii | 41.54 | 10 | A Min | AA: 41.09 (+0.45s | 1.1%) | Swim Fort Lauderdale | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | |
| 396 | Julian Lee | 41.55 | 10 | A Min | AA: 41.09 (+0.46s | 1.1%) | Sporting Jax Aquatic Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 397 | Liam Reyes | 41.56 | 10 | A Min | AA: 41.09 (+0.47s | 1.1%) | Reno Aquatic Club | 07/10/2026 | 2026 NNA Silver State Championships | |
| 398 | Christian Bland | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Northeast Family YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 399 | Seth Benton | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | SwimRVA | 06/25/2026 | LC Central District Champs | |
| 400 | William Sun | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Coast Gaurd Blue Dolphins | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
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.