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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Ethan Canlas | 34.61 | 10 | AA Min | AAA: 33.99 (+0.62s | 1.8%) | Rio-Green | 01/24/2026 | 2026 SCS Swim Festival | |
| 302 | Thomas Sedano | 34.62 | 9 | AA Min | AAA: 33.99 (+0.63s | 1.8%) | Monterey Bay Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 303 | Aedan Allen | 34.62 | 10 | AA Min | AAA: 33.99 (+0.63s | 1.8%) | Lone Star Aquatic Club | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 304 | Ian Kato | 34.62 | 9 | AA Min | AAA: 33.99 (+0.63s | 1.8%) | Sandy High School Swim Team | 02/15/2025 | 2025 OR HS 6a 4 | |
| 305 | Roman Kim | 34.65 | 10 | AA Min | AAA: 33.99 (+0.66s | 1.9%) | Long Island Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 306 | Jack Armbruster | 34.65 | 9 | AA Min | AAA: 33.99 (+0.66s | 1.9%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 307 | Aiden Cowles | 34.65 | 10 | AA Min | AAA: 33.99 (+0.66s | 1.9%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 308 | Kamdyn Lemke | 34.66 | 10 | AA Min | AAA: 33.99 (+0.67s | 1.9%) | Amherst Tritons Swim Team | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 309 | Samuel Fuller | 34.66 | 10 | AA Min | AAA: 33.99 (+0.67s | 1.9%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 310 | Nathan Gutmanovich | 34.66 | 10 | AA Min | AAA: 33.99 (+0.67s | 1.9%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 311 | Austin Ren | 34.67 | 8 | AA Min | AAA: 33.99 (+0.68s | 2.0%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 312 | Michael Laurence | 34.67 | 9 | AA Min | AAA: 33.99 (+0.68s | 2.0%) | Gulliver Swim Club | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 313 | Lucas Pan | 34.69 | 8 | AA Min | AAA: 33.99 (+0.70s | 2.0%) | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 314 | Johnny Sappington | 34.71 | 9 | AA Min | AAA: 33.99 (+0.72s | 2.1%) | Tillamook | 02/15/2025 | 2025 OR HS 4a 3 | |
| 315 | Brooks Nemeth | 34.71 | 9 | AA Min | AAA: 33.99 (+0.72s | 2.1%) | SwimRVA | 11/22/2025 | Bass Turkey Classic 2025 | |
| 316 | Nolan Chan | 34.74 | 10 | AA Min | AAA: 33.99 (+0.75s | 2.2%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 317 | Andrew Branach | 34.74 | 10 | AA Min | AAA: 33.99 (+0.75s | 2.2%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 318 | Lucas Stocker | 34.75 | 10 | AA Min | AAA: 33.99 (+0.76s | 2.2%) | Coastal Machine Aquatics Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 319 | Luke Sweetser | 34.75 | 10 | AA Min | AAA: 33.99 (+0.76s | 2.2%) | Columbia Aquatics Association | 11/07/2025 | 2025 Marlins Invitational | |
| 320 | Liam Johnson | 34.75 | 10 | AA Min | AAA: 33.99 (+0.76s | 2.2%) | Winchester Swim Team | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 321 | Nicholas Liu | 34.77 | 9 | AA Min | AAA: 33.99 (+0.78s | 2.2%) | Alto Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 322 | Quincy Rush | 34.79 | 10 | AA Min | AAA: 33.99 (+0.80s | 2.3%) | Gsa | 01/16/2026 | GSA January Jump Start 2026 | |
| 323 | Philip Rodriguez | 34.79 | 9 | AA Min | AAA: 33.99 (+0.80s | 2.3%) | Tac Titans | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 324 | Jack Nash | 34.81 | 10 | AA Min | AAA: 33.99 (+0.82s | 2.4%) | Ryan YMCA Tidal Waves | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 325 | Jonathan Nelson | 34.82 | 10 | AA Min | AAA: 33.99 (+0.83s | 2.4%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 326 | Christopher Rochester | 34.82 | 10 | AA Min | AAA: 33.99 (+0.83s | 2.4%) | Columbia Aquatics Association | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 327 | Max Monahan-Wright | 34.83 | 10 | AA Min | AAA: 33.99 (+0.84s | 2.4%) | Bluefish Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 328 | Thomas Afonin | 34.85 | 9 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Shorefront Ym-Ywha | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 329 | Cooper Chen | 34.85 | 10 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 330 | Aiden Abreu | 34.85 | 10 | AA Min | AAA: 33.99 (+0.86s | 2.5%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 331 | Brady Schneider | 34.86 | 10 | AA Min | AAA: 33.99 (+0.87s | 2.5%) | York Swim Club of Northern Vir | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 332 | Ziqian Liu | 34.86 | 9 | AA Min | AAA: 33.99 (+0.87s | 2.5%) | Tac Titans | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 333 | Benjamin Shen | 34.87 | 10 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 334 | Hongjie Xiao | 34.87 | 8 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 335 | Charles Liu Bates | 34.87 | 10 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 336 | Cullen Worthington | 34.87 | 10 | AA Min | AAA: 33.99 (+0.88s | 2.5%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 337 | Keegan Charles | 34.88 | 10 | AA Min | AAA: 33.99 (+0.89s | 2.6%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 338 | Nino Rodriguez | 34.88 | 10 | AA Min | AAA: 33.99 (+0.89s | 2.6%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 339 | Jasper Albers | 34.88 | 10 | AA Min | AAA: 33.99 (+0.89s | 2.6%) | Mason Makos Swim Team | 01/16/2026 | GSA January Jump Start 2026 | |
| 340 | Kairav Venugopal | 34.89 | 10 | AA Min | AAA: 33.99 (+0.90s | 2.6%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 341 | Nihan Bhimavarapu | 34.90 | 11 | AA Min | AAA: 33.99 (+0.91s | 2.6%) | Revolution Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 342 | Adam Aburas | 34.93 | 9 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | First Colony Swim Team, Inc. | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 343 | Zubin Reuter | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Asphalt Green Unified Aquatics | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 344 | Ray Yu | 34.93 | 9 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 345 | Jair Ortega | 34.93 | 10 | AA Min | AAA: 33.99 (+0.94s | 2.7%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 346 | Jayden Yang | 34.95 | 10 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Irvine Novaquatics | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 347 | Matvey Fadeev | 34.96 | 9 | AA Min | AAA: 33.99 (+0.97s | 2.8%) | Issaquah Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 348 | Guanlin Chen | 34.96 | 9 | AA Min | AAA: 33.99 (+0.97s | 2.8%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 349 | Michael Williams | 34.97 | 10 | AA Min | AAA: 33.99 (+0.98s | 2.8%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 350 | Keoni Kikuta | 34.97 | 10 | AA Min | AAA: 33.99 (+0.98s | 2.8%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks 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.