USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Asher Mormino | 55.44 | 9 | B Min | BB: 54.39 (+1.05s | 1.9%) | Bend Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 552 | Calvin Alezeau | 55.47 | 10 | B Min | BB: 54.39 (+1.08s | 1.9%) | Unattached | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 553 | Abraham Polisuk | 55.47 | 9 | B Min | BB: 54.39 (+1.08s | 1.9%) | Gator Swim Club | 05/30/2025 | Hydro4 Summer Open | |
| 554 | Lucas De Soto Mejias | 55.48 | 9 | B Min | BB: 54.39 (+1.09s | 2.0%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 555 | Gage Sena | 55.51 | 9 | B Min | BB: 54.39 (+1.12s | 2.0%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 556 | Leo Lafferty | 55.51 | 9 | B Min | BB: 54.39 (+1.12s | 2.0%) | Westlake Aquatic Facility | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 557 | Austin Mitchell | 55.51 | 9 | B Min | BB: 54.39 (+1.12s | 2.0%) | Valley Aquatics | 06/20/2025 | 2025 IE VS Starlight Open | |
| 558 | Ransom Schwartz | 55.58 | 9 | B Min | BB: 54.39 (+1.19s | 2.1%) | Swim Florida | 05/03/2025 | 2025 Sea Dragon May Open | |
| 559 | Leo Grace | 55.60 | 7 | B Min | BB: 54.39 (+1.21s | 2.2%) | Coeur D\\\\\\'alene Area Swim Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 560 | Kaden Falisi | 55.60 | 8 | B Min | BB: 54.39 (+1.21s | 2.2%) | Blue Dolfins | 05/16/2025 | 2025 PA Long Course Invite | |
| 561 | David Renko | 55.67 | 9 | B Min | BB: 54.39 (+1.28s | 2.3%) | Wasatch Front Fish Market | 08/01/2025 | 2025 LC Beehive Finale | |
| 562 | Alex Zhong | 55.70 | 7 | B Min | BB: 54.39 (+1.31s | 2.4%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 563 | Rafael Koefman Camacho | 55.72 | 10 | B Min | BB: 54.39 (+1.33s | 2.4%) | Swim Florida | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 564 | Bennett Meusel | 55.74 | 9 | B Min | BB: 54.39 (+1.35s | 2.4%) | South East Metro Sharks | 06/20/2025 | 2025 MN MAN Red White Blue Invite | |
| 565 | Lucas Jiang | 55.76 | 8 | B Min | BB: 54.39 (+1.37s | 2.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 566 | Ethan Zhang | 55.76 | 8 | B Min | BB: 54.39 (+1.37s | 2.5%) | Fmy Gators | 06/13/2025 | 2025 SD Aberdeen Summer High Point Swim Meet | |
| 567 | Jack Hallermenn | 55.78 | 15 | B Min | BB: 54.39 (+1.39s | 2.5%) | Velocity Aquatics | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 568 | James Goodwillie | 55.79 | 7 | B Min | BB: 54.39 (+1.40s | 2.5%) | Hanover Aquatics | 04/26/2024 | 2024 Helen Wang Sunflower Classic | |
| 569 | Mason Lee | 55.80 | 9 | B Min | BB: 54.39 (+1.41s | 2.5%) | Issaquah Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 570 | Emerson Bohan | 55.80 | 10 | B Min | BB: 54.39 (+1.41s | 2.5%) | Tsunamis Swim Team | 01/16/2026 | January Central Park Series | |
| 571 | Vladimir Yegorov | 55.81 | 9 | B Min | BB: 54.39 (+1.42s | 2.5%) | Lake Oswego Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 572 | Maddox Fish | 55.81 | 8 | B Min | BB: 54.39 (+1.42s | 2.5%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 573 | Micah Kusbel | 55.83 | 9 | B Min | BB: 54.39 (+1.44s | 2.6%) | Alamo Area Aquatic Association | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 574 | Nevan Souffront | 55.83 | 10 | B Min | BB: 54.39 (+1.44s | 2.6%) | Clearwater Aquatic Team | 06/07/2025 | 2025 Stingrays LCM Meet | |
| 575 | Oliver Lyashenko | 55.84 | 9 | B Min | BB: 54.39 (+1.45s | 2.6%) | Tide Swimming | 05/03/2024 | 2024 TIDE Swimming Spring Shockwave Meet | |
| 576 | Aemon Meenaghan | 55.84 | 9 | B Min | BB: 54.39 (+1.45s | 2.6%) | Team Eugene Aquatics | 05/17/2025 | TEAM Showdown | |
| 577 | Conrad Postle | 55.85 | 9 | B Min | BB: 54.39 (+1.46s | 2.6%) | West Florida Lightning Aquatic | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 578 | Camden Kern | 55.85 | 8 | B Min | BB: 54.39 (+1.46s | 2.6%) | Cavalier Aquatics/Piedmont Fam | 07/12/2024 | 2024 CCA Summer Awards | |
| 579 | Finn McJunkin | 55.85 | 9 | B Min | BB: 54.39 (+1.46s | 2.6%) | Swim Lake City Legends | 07/17/2025 | 2025 UTAGS LC Championships | |
| 580 | Cody Graves | 55.85 | 9 | B Min | BB: 54.39 (+1.46s | 2.6%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 581 | Seanan O'Neill | 55.86 | 9 | B Min | BB: 54.39 (+1.47s | 2.6%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 582 | Levi Julson | 55.86 | 7 | B Min | BB: 54.39 (+1.47s | 2.6%) | Seminole Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 583 | Kian Bryson | 55.86 | 8 | B Min | BB: 54.39 (+1.47s | 2.6%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 584 | Johnathan Wang | 55.87 | 8 | B Min | BB: 54.39 (+1.48s | 2.6%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 585 | Evan Islip | 55.88 | 9 | B Min | BB: 54.39 (+1.49s | 2.7%) | Pacific Swim | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 586 | Holten Lawrence | 55.90 | 9 | B Min | BB: 54.39 (+1.51s | 2.7%) | The Dalles Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 587 | Caleb Tos | 55.91 | 9 | B Min | BB: 54.39 (+1.52s | 2.7%) | Tule Nation Tritons | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 588 | Wesley Tong | 55.91 | 9 | B Min | BB: 54.39 (+1.52s | 2.7%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 589 | Nicholas Mosendz | 55.92 | 9 | B Min | BB: 54.39 (+1.53s | 2.7%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 590 | Chior Prange | 55.93 | 10 | B Min | BB: 54.39 (+1.54s | 2.8%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 591 | Flynn Chen | 55.94 | 8 | B Min | BB: 54.39 (+1.55s | 2.8%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 592 | Carson Swift | 55.94 | 9 | B Min | BB: 54.39 (+1.55s | 2.8%) | Nitro Swimming | 05/25/2025 | 2025 ST NTRO LC School S Out | |
| 593 | Levi Heilbrun | 55.95 | 9 | B Min | BB: 54.39 (+1.56s | 2.8%) | Bend Swim Club | 07/11/2025 | 2025 THSC Summer Classic | |
| 594 | Isaiah Fadillah | 55.96 | 9 | B Min | BB: 54.39 (+1.57s | 2.8%) | California Dolphins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 595 | Moss Fano | 55.99 | 9 | B Min | BB: 54.39 (+1.60s | 2.9%) | Team Greenville | 06/12/2025 | Holtrey Summer Classic | |
| 596 | Walter Speicher | 56.00 | 8 | B Min | BB: 54.39 (+1.61s | 2.9%) | Monocacy Aquatic Club | 06/14/2024 | 2024 Winchester Long Course Inviational | |
| 597 | Ryan Chen | 56.01 | 9 | B Min | BB: 54.39 (+1.62s | 2.9%) | DeAnza Cupertino Aquatics | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 598 | Callan Bunyan | 56.03 | 8 | B Min | BB: 54.39 (+1.64s | 2.9%) | Southwest Stars Swim Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 599 | Ezra Junio | 56.05 | 9 | B Min | BB: 54.39 (+1.66s | 3.0%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 600 | Vincent Nan | 56.05 | 9 | B Min | BB: 54.39 (+1.66s | 3.0%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic 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.