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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | James Marsh | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Lifetime Swim Team North Carol | 10/24/2025 | 2025 CAT Trick Or Treat Meet | |
| 652 | Alex Liu | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 653 | Dylan Tian | 43.18 | 8 | BB Min | A: 42.09 (+1.09s | 2.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 654 | Max Alred | 43.18 | 9 | BB Min | A: 42.09 (+1.09s | 2.5%) | Marshall County Swim Club | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 655 | Ren Yu | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 656 | Benjamin Thilking | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Bedford Barracudas | 03/07/2026 | PYSA Champs 2026 | |
| 657 | Logan Snodgrass | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 658 | Lichen Chi | 43.21 | 9 | BB Min | A: 42.09 (+1.12s | 2.6%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 659 | Dany Burhanov | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 660 | Jacob Bouchard | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 661 | Landon Angle | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 662 | Mason Liu | 43.23 | 10 | BB Min | A: 42.09 (+1.14s | 2.6%) | Trident Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 663 | Austin Mitchell | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Valley Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 664 | Ethan Vasilescu | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 665 | Louis Yu | 43.25 | 8 | BB Min | A: 42.09 (+1.16s | 2.7%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 666 | Nicholas Medina | 43.25 | 9 | BB Min | A: 42.09 (+1.16s | 2.7%) | Laker Swim | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 667 | Eddie Bi | 43.26 | 9 | BB Min | A: 42.09 (+1.17s | 2.7%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 668 | Caleb Harrison | 43.26 | 10 | BB Min | A: 42.09 (+1.17s | 2.7%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 669 | Rafael Parlato | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Fenix Swim Club | 06/06/2026 | NMST June Invite 26 | |
| 670 | Nikolas Van Halen | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Swim Florida | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 671 | Brayden Li | 43.29 | 9 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 672 | Brayden Herbert | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 673 | Henry Moore | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Ladera Oaks | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 674 | Aidan Grish | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 675 | Caleb Nash | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Enfinity Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 676 | Clayton Chester | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 677 | Yanbo Li | 43.32 | 9 | BB Min | A: 42.09 (+1.23s | 2.8%) | Bolles School Sharks | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 678 | Benjamin Derry | 43.32 | 10 | BB Min | A: 42.09 (+1.23s | 2.8%) | Dexter Community Aquatic Club | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 679 | Declan Donnelly | 43.33 | 9 | BB Min | A: 42.09 (+1.24s | 2.9%) | Three Village Swim Club | 03/01/2026 | 2026 MR TVSC St Patrick S Day Last Chance | |
| 680 | Evan Fernando | 43.34 | 10 | BB Min | A: 42.09 (+1.25s | 2.9%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 681 | Sebastian Gutierrez | 43.35 | 9 | BB Min | A: 42.09 (+1.26s | 2.9%) | Anglerfish Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 682 | River Morse | 43.35 | 10 | BB Min | A: 42.09 (+1.26s | 2.9%) | Swim Gym | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 683 | Ben Herrera | 43.36 | 10 | BB Min | A: 42.09 (+1.27s | 2.9%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 684 | Owen Nguyen | 43.37 | 10 | BB Min | A: 42.09 (+1.28s | 3.0%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 685 | Brendan Ma | 43.37 | 9 | BB Min | A: 42.09 (+1.28s | 3.0%) | Orinda Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 686 | Brandon Wang | 43.38 | 10 | BB Min | A: 42.09 (+1.29s | 3.0%) | Crimson Aquatics | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 687 | Justin Huang | 43.38 | 10 | BB Min | A: 42.09 (+1.29s | 3.0%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 688 | Bennett Baker | 43.40 | 9 | BB Min | A: 42.09 (+1.31s | 3.0%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 689 | Cyrus Yang | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 690 | Remington Tucker | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 691 | Brayden Bajuscak | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Shorewood | 02/15/2025 | 2025 OR HS 6A 3 | |
| 692 | Etai Gavra | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Patriot Aquatics | 07/25/2026 | 2026 FL Summer Area 2 Championships Working | |
| 693 | Aaron Kim | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | The Spartans of La Canada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 694 | Camden Butters | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | YMCA of Coastal Carolina Hurri | 03/19/2026 | 2026 USRY Short Course Champs | |
| 695 | Henry Chung | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 696 | Leo Blubaugh | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 697 | Zachariah Cornine | 43.41 | 10 | BB Min | A: 42.09 (+1.32s | 3.0%) | South Lake Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 698 | Alexander Rich | 43.42 | 10 | BB Min | A: 42.09 (+1.33s | 3.1%) | Maverick Aquatics | 04/17/2026 | 2026 CO Jolean Scott Memorial | |
| 699 | Shi Zha | 43.43 | 8 | BB Min | A: 42.09 (+1.34s | 3.1%) | Charles River Aquatics | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 700 | Noah Thomas | 43.43 | 10 | BB Min | A: 42.09 (+1.34s | 3.1%) | Longhorn Aquatics | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
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.