USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3401 | Rockwell Santos | 51.55 | 10 | B Min | BB: 47.69 (+3.86s | 7.5%) | Monocacy Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 3402 | Derrick Ciesla | 51.55 | 9 | B Min | BB: 47.69 (+3.86s | 7.5%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 3403 | Siyuan Wang | 51.55 | 8 | B Min | BB: 47.69 (+3.86s | 7.5%) | Piedmont Swim Team | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 3404 | Hudson Patterson | 51.55 | 10 | B Min | BB: 47.69 (+3.86s | 7.5%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 3405 | Alexander Ong | 51.55 | 10 | B Min | BB: 47.69 (+3.86s | 7.5%) | Circle C Select Swim Team | 06/16/2026 | 2026 ST AQTX TNR 6162026 | |
| 3406 | Ryan Laudenberger | 51.56 | 10 | B Min | BB: 47.69 (+3.87s | 7.5%) | M.E. Lyons/Anderson Barracudas | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3407 | Bryan Xia | 51.56 | 7 | B Min | BB: 47.69 (+3.87s | 7.5%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 3408 | Stetson Webb | 51.56 | 10 | B Min | BB: 47.69 (+3.87s | 7.5%) | Sebastopol Sea Serpents | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 3409 | Miles Vuong | 51.56 | 10 | B Min | BB: 47.69 (+3.87s | 7.5%) | SOL Swim Team | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 3410 | Bryson de Almeida | 51.56 | 10 | B Min | BB: 47.69 (+3.87s | 7.5%) | Tampa Y Swimming | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 3411 | Easton Greger | 51.57 | 8 | B Min | BB: 47.69 (+3.88s | 7.5%) | Central Coast Swim Club | 08/07/2026 | Big Kahuna 2026 | |
| 3412 | Ben Guenther | 51.57 | 10 | B Min | BB: 47.69 (+3.88s | 7.5%) | Blue Dolfins | 06/27/2026 | 2026 Firecracker | |
| 3413 | Maxwell Pennington | 51.57 | 8 | B Min | BB: 47.69 (+3.88s | 7.5%) | Lynchburg YMCA Swim Team | 02/07/2026 | SW District 8 Under Championship | |
| 3414 | Luke Caddell | 51.57 | 9 | B Min | BB: 47.69 (+3.88s | 7.5%) | Waves Of Wilmington Inc | 07/25/2026 | 2026 WOW Summer Spectacular | |
| 3415 | Bryan Moore | 51.58 | 10 | B Min | BB: 47.69 (+3.89s | 7.5%) | Watauga Swim Team | 01/16/2026 | GSA January Jump Start 2026 | |
| 3416 | Ian Ding | 51.58 | 9 | B Min | BB: 47.69 (+3.89s | 7.5%) | North Shore Swim Club | 03/13/2026 | 2026 NE NSSC NE Cup Championship | |
| 3417 | Atlas Van Brunt | 51.58 | 7 | B Min | BB: 47.69 (+3.89s | 7.5%) | Kona Dolphins Swim Club | 09/12/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 3418 | Eero Tulley | 51.58 | 10 | B Min | BB: 47.69 (+3.89s | 7.5%) | Swim Kauai Aquatics | 04/11/2026 | SKA Home Meet 41126 | |
| 3419 | James Carter | 51.58 | 9 | B Min | BB: 47.69 (+3.89s | 7.5%) | Rush | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3420 | Henrik Thomas | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3421 | Braylen Gu | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | Staten Island Aquatics Club | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 3422 | William Ziglar | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | Crestview Tiger Sharks | 10/11/2025 | 2025 Rick Byers Invitational Copied | |
| 3423 | Henry Wang | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 3424 | Grant Schmidlin | 51.59 | 8 | B Min | BB: 47.69 (+3.90s | 7.6%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 3425 | Witold Lassak | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | Nation\\\\\\'s Capital Swim Club | 10/25/2025 | 2025 PAC 10 Under RockHopper Penguin Meet | |
| 3426 | Sebastian Morrell | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | Sporting Jax Aquatic Club | 09/26/2026 | EAJ Speedo September Meet 2026 | |
| 3427 | Cornelius Celestine | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 3428 | Aleksei Novik | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Tac Titans | 10/25/2025 | 2025 TAC TITANS Halloween Bash | |
| 3429 | Sebastian Alfonso | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Walnut Creek Aquabears | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 3430 | Maddox Joseph | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | Triton Swimming of Louisville | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 3431 | Caden Bailey | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Huntsville Swim Association | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 3432 | Christos Salis | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Highland Dolphins Aquatic Club | 03/28/2026 | PSL March CBA+ | |
| 3433 | Lawrence Lan | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 3434 | Mason McNellis | 51.61 | 10 | B Min | BB: 47.69 (+3.92s | 7.6%) | El Paso Aqua Posse | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 3435 | Parker Rate | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Carolina Aquatics Swim Club | 12/05/2025 | ATOM Winter Invite 2025 | |
| 3436 | Andrew Kaddoum | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 3437 | Taft Smith | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Skyline Swim Club | 10/25/2024 | Witchy Waters | |
| 3438 | Easton Smith | 51.62 | 10 | B Min | BB: 47.69 (+3.93s | 7.6%) | North Star Swim Team | 04/19/2026 | 2026 MN MNSI 4th Annual MN Athlete Showcase | |
| 3439 | Marlon Chinchilla | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Piranha Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 3440 | Felix Franson | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Pikes Peak Athletics | 04/11/2026 | 2026 CO PPA Sprint Penthathlon | |
| 3441 | Liam Carruth | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Form Swim Team | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 3442 | Benjamin Hart | 51.64 | 8 | B Min | BB: 47.69 (+3.95s | 7.6%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 3443 | Benjamin Martins | 51.65 | 9 | B Min | BB: 47.69 (+3.96s | 7.7%) | Aces Aquatics | 01/10/2026 | 2026 NE CS Winter Classic | |
| 3444 | Aidan De La Cruz | 51.65 | 9 | B Min | BB: 47.69 (+3.96s | 7.7%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 3445 | Tobias Drazin | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 3446 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 3447 | Chance Tan Nelson | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 3448 | Adam Bonnefon | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 3449 | Clayton Du | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 3450 | James Casterton | 51.67 | 9 | B Min | BB: 47.69 (+3.98s | 7.7%) | Mantas Swim Club | 03/15/2025 | 2025 MN FOXJ Short Course 10 U State Champion | |
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.