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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Tatsumasa Sekine | 42.68 | 9 | BB Min | A: 42.09 (+0.59s | 1.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 802 | Emmett Tourney | 42.68 | 9 | BB Min | A: 42.09 (+0.59s | 1.4%) | Red Wing Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 803 | Brady Schneider | 42.68 | 10 | BB Min | A: 42.09 (+0.59s | 1.4%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 804 | Theodore Lahre | 42.69 | 9 | BB Min | A: 42.09 (+0.60s | 1.4%) | Bgc-N. Westchester Marlins | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 805 | Matthew Frankovic | 42.70 | 9 | BB Min | A: 42.09 (+0.61s | 1.4%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 806 | Reagan Wilsey | 42.70 | 10 | BB Min | A: 42.09 (+0.61s | 1.4%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 807 | Jake Brown | 42.70 | 10 | BB Min | A: 42.09 (+0.61s | 1.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 808 | Reyansh Dhwajad | 42.70 | 10 | BB Min | A: 42.09 (+0.61s | 1.4%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 809 | Yaroslav Biliavskyi | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 810 | Anderson Smith | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Huntington YMCA Bluefish | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 811 | Orion Blue-Smith | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 812 | Thomas Klinger | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Tide Swimming | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 813 | Oliver Shalvey | 42.72 | 10 | BB Min | A: 42.09 (+0.63s | 1.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 814 | Bruce Asmega | 42.73 | 10 | BB Min | A: 42.09 (+0.64s | 1.5%) | Pacifica Sea Lions | 03/07/2026 | BAC Race To AGCs | |
| 815 | Gustavo Granados | 42.74 | 9 | BB Min | A: 42.09 (+0.65s | 1.5%) | Fenix Swim Club | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 816 | Jackson Staples | 42.75 | 10 | BB Min | A: 42.09 (+0.66s | 1.5%) | Las Cruces Aquatic Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 817 | Henry Goddard | 42.75 | 10 | BB Min | A: 42.09 (+0.66s | 1.5%) | Cascadia Swimming | 08/01/2025 | Big Kahuna 2025 | |
| 818 | Henry Barnes | 42.76 | 10 | BB Min | A: 42.09 (+0.67s | 1.6%) | Marlins Of Raleigh | 11/14/2025 | 2025 MOR Atlantic Invitational Meet | |
| 819 | Ethan Gaffin | 42.77 | 9 | BB Min | A: 42.09 (+0.68s | 1.6%) | Alamo Area Aquatic Association | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 820 | Viaan Bandi | 42.77 | 10 | BB Min | A: 42.09 (+0.68s | 1.6%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 821 | Patton Hurst | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Triton Swimming of Louisville | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 822 | Charles Swinsick | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 823 | Camille Turpin | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 824 | Cooper Chen | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 825 | Adam Ma | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | California Dolphins Swim Team | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 826 | Emilio Balcazar | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 827 | William Martzke | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 828 | Cameron Ehrlich | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Pompano Beach Piranhas | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 829 | Peter Hofman | 42.81 | 10 | BB Min | A: 42.09 (+0.72s | 1.7%) | Cascade Swim Club | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 830 | Noah Olusanya | 42.81 | 9 | BB Min | A: 42.09 (+0.72s | 1.7%) | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | ||
| 831 | Yaseer Owens | 42.83 | 9 | BB Min | A: 42.09 (+0.74s | 1.7%) | Unified Aquatics Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 832 | Matheus Jacqmin Abijaodi | 42.83 | 9 | BB Min | A: 42.09 (+0.74s | 1.7%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 833 | Jaden Shin | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Stingray Swim Team | 02/20/2026 | 2026 PN SRST Champs Qualifier Approved | |
| 834 | Benjamin Thilking | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Bedford Barracudas | 03/19/2026 | 2026 USRY Short Course Champs | |
| 835 | Apollo Valdriz | 42.84 | 10 | BB Min | A: 42.09 (+0.75s | 1.8%) | Circle City Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 836 | Mason Nguyen | 42.84 | 10 | BB Min | A: 42.09 (+0.75s | 1.8%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 837 | Jett Schroeder | 42.85 | 9 | BB Min | A: 42.09 (+0.76s | 1.8%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 838 | Konstantinos Pregenzer | 42.86 | 10 | BB Min | A: 42.09 (+0.77s | 1.8%) | Mandell Jcc Sharks | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 839 | Carson Zeiger | 42.87 | 9 | BB Min | A: 42.09 (+0.78s | 1.8%) | New Wave Swim Team | 12/13/2025 | 2025 Ugly Sweater Meet | |
| 840 | Dylan Feng | 42.87 | 10 | BB Min | A: 42.09 (+0.78s | 1.8%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 841 | Nicholas Thach | 42.88 | 10 | BB Min | A: 42.09 (+0.79s | 1.8%) | Oakland Undercurrent Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 842 | Hunter Perfect | 42.88 | 10 | BB Min | A: 42.09 (+0.79s | 1.8%) | River Falls Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 843 | Ryan Xie | 42.88 | 10 | BB Min | A: 42.09 (+0.79s | 1.8%) | Cascadia Swimming | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 844 | Alexander Bago | 42.89 | 10 | BB Min | A: 42.09 (+0.80s | 1.9%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 845 | Yupeng Wang | 42.89 | 10 | BB Min | A: 42.09 (+0.80s | 1.9%) | Monterey Park Manta Rays | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 846 | Jacob Witlin | 42.90 | 10 | BB Min | A: 42.09 (+0.81s | 1.9%) | Condors Swim Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 847 | Aaron Lam | 42.90 | 10 | BB Min | A: 42.09 (+0.81s | 1.9%) | South Shore YMCA Strypers | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 848 | Aiden Mulcahy | 42.91 | 10 | BB Min | A: 42.09 (+0.82s | 1.9%) | Aulea Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 849 | William Cravens | 42.91 | 10 | BB Min | A: 42.09 (+0.82s | 1.9%) | York Swim Club of Northern Vir | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 850 | Alexander Evans | 42.91 | 10 | BB Min | A: 42.09 (+0.82s | 1.9%) | Ensworth Aquatics | 11/07/2025 | TNAQ 2025 FALL 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.