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 | |
|---|---|---|---|---|---|---|---|---|---|
| 851 | Daniel Guo | 1:00.38 | 10 | B Min | BB: 54.39 (+5.99s | 9.9%) | Riptide Swim Team | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 852 | Luca Mansur | 1:00.38 | 10 | B Min | BB: 54.39 (+5.99s | 9.9%) | Azura Florida Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 853 | Logan Fischer | 1:00.39 | 10 | B Min | BB: 54.39 (+6.00s | 9.9%) | Denver Swim Academy | 06/27/2025 | 2025 CO Zone 2 DU Meet | |
| 854 | Wesley Albright | 1:00.41 | 9 | B Min | BB: 54.39 (+6.02s | 10.0%) | Reno Aquatic Club | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 855 | Oliver Song Zhang | 1:00.43 | 10 | B Min | BB: 54.39 (+6.04s | 10.0%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 856 | Carter Milroy | 1:00.43 | 10 | B Min | BB: 54.39 (+6.04s | 10.0%) | Foothills Swim Team | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 857 | Adam Mitzel | 1:00.44 | 8 | B Min | BB: 54.39 (+6.05s | 10.0%) | Redmond Aquatic Club | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 858 | John Golightly | 1:00.44 | 9 | B Min | BB: 54.39 (+6.05s | 10.0%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 859 | Maxwell Wang | 1:00.46 | 10 | B Min | BB: 54.39 (+6.07s | 10.0%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 860 | Maxwell Sis | 1:00.47 | 9 | B Min | BB: 54.39 (+6.08s | 10.1%) | Great Wolf Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 861 | Alex Hirata | 1:00.48 | 10 | B Min | BB: 54.39 (+6.09s | 10.1%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 862 | Ryan Chen | 1:00.49 | 9 | B Min | BB: 54.39 (+6.10s | 10.1%) | Fmy Gators | 06/14/2024 | 2024 SD Aberdeen Summer High Point Swim Meet | |
| 863 | Oliver Liu | 1:00.56 | 10 | B Min | BB: 54.39 (+6.17s | 10.2%) | Alto Swim Club | 07/20/2024 | Alto Last Splash Invitational | |
| 864 | Grant Zimmermann | 1:00.60 | 10 | B Min | BB: 54.39 (+6.21s | 10.2%) | YMCA of the Triangle Area Swim | 06/14/2024 | SwimRVA Summer Invitational | |
| 865 | Henry Fredericks | 1:00.60 | 8 | B Min | BB: 54.39 (+6.21s | 10.2%) | COSA Swimming | 07/12/2025 | 2025 CO Southern Colorado LC Championship | |
| 866 | Calex Gonzalez | 1:00.61 | 9 | B Min | BB: 54.39 (+6.22s | 10.3%) | Apex | 07/05/2025 | 2025 OR CRST Summer Blast 3 | |
| 867 | Nolan Simmons | 1:00.63 | 10 | B Min | BB: 54.39 (+6.24s | 10.3%) | Greater Tampa Swim Association | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 868 | George Duong | 1:00.64 | 10 | B Min | BB: 54.39 (+6.25s | 10.3%) | United Swim Club | 06/27/2025 | ATAC Long Course | |
| 869 | Maxwell Morgan | 1:00.65 | 9 | B Min | BB: 54.39 (+6.26s | 10.3%) | Spartan Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 870 | Dylan Tian | 1:00.65 | 8 | B Min | BB: 54.39 (+6.26s | 10.3%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 871 | Daniel Wang | 1:00.65 | 9 | B Min | BB: 54.39 (+6.26s | 10.3%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 872 | Shuyi Tan | 1:00.65 | 9 | B Min | BB: 54.39 (+6.26s | 10.3%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 873 | Colton McKinnon | 1:00.67 | 9 | B Min | BB: 54.39 (+6.28s | 10.4%) | Excel Aquatics | 05/29/2025 | 2025 IE VS Apple Capital | |
| 874 | Austin Xue | 1:00.68 | 9 | B Min | BB: 54.39 (+6.29s | 10.4%) | Waterloo Swimming | 04/27/2025 | 2025 ST WLOO Waterloo Classic | |
| 875 | Yuchen Zhou | 1:00.68 | 10 | B Min | BB: 54.39 (+6.29s | 10.4%) | Eastside Aquatic Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 876 | Theodore Cook | 1:00.68 | 9 | B Min | BB: 54.39 (+6.29s | 10.4%) | SlipStream Aquatics | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 877 | Ethan Williams | 1:00.70 | 10 | B Min | BB: 54.39 (+6.31s | 10.4%) | SaltRakers Aquatic Club | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 878 | Atharv Tiruke | 1:00.70 | 9 | B Min | BB: 54.39 (+6.31s | 10.4%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 879 | Remington Kalicinski | 1:00.70 | 9 | B Min | BB: 54.39 (+6.31s | 10.4%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 880 | Sebastian Bagga | 1:00.73 | 10 | B Min | BB: 54.39 (+6.34s | 10.4%) | South Valley Makos | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 881 | Arthur Cahoy | 1:00.74 | 9 | B Min | BB: 54.39 (+6.35s | 10.5%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 882 | Dalton Gonzalez | 1:00.74 | 9 | B Min | BB: 54.39 (+6.35s | 10.5%) | Nitro Swimming | 04/26/2025 | 2025 ST NTRO Splashing Into Long Course | |
| 883 | Smith Larsen | 1:00.75 | 9 | B Min | BB: 54.39 (+6.36s | 10.5%) | Magic Valley Marlins | 07/18/2025 | 2025 LCM Summer Championships | |
| 884 | Decklan Davis | 1:00.78 | 9 | B Min | BB: 54.39 (+6.39s | 10.5%) | Episcopal AmberJax | 03/28/2026 | EAJ Spring Into Long Course 2026 | |
| 885 | Oliver Morris | 1:00.79 | 9 | B Min | BB: 54.39 (+6.40s | 10.5%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 886 | Gavin Yang | 1:00.79 | 10 | B Min | BB: 54.39 (+6.40s | 10.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 887 | William Spicer | 1:00.80 | 10 | B Min | BB: 54.39 (+6.41s | 10.5%) | Hudson Explorer Aquatic | 07/12/2025 | LSSC Avon Classic | |
| 888 | Kai Chen | 1:00.81 | 10 | B Min | BB: 54.39 (+6.42s | 10.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 889 | Alex Li | 1:00.83 | 9 | B Min | BB: 54.39 (+6.44s | 10.6%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 890 | Kou Takahashi | 1:00.85 | 7 | B Min | BB: 54.39 (+6.46s | 10.6%) | West Express Swim Team | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 891 | Everest Orwick | 1:00.85 | 9 | B Min | BB: 54.39 (+6.46s | 10.6%) | Team Eugene Aquatics | 05/02/2025 | 2025 AAA May LC Invitational | |
| 892 | Ryan Karapostoles | 1:00.86 | 9 | B Min | BB: 54.39 (+6.47s | 10.6%) | Swim Melbourne | 05/03/2025 | TCSC Go For The Gold Invitational | |
| 893 | Easton Fairbank | 1:00.88 | 8 | B Min | BB: 54.39 (+6.49s | 10.7%) | Front Range Barracudas | 06/28/2025 | 2025 CO Greeley Stampede | |
| 894 | Taenam Oh jr | 1:00.88 | 8 | B Min | BB: 54.39 (+6.49s | 10.7%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 895 | Conor Valdez | 1:00.89 | 9 | B Min | BB: 54.39 (+6.50s | 10.7%) | Spokane Waves Aquatic Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 896 | John Umiker | 1:00.90 | 10 | B: 1:00.89 (+0.01s | 0.0%) | Pierre Swim Team | 07/11/2025 | 2025 SD Long Course State B Swim Meet | ||
| 897 | Asher Young | 1:00.90 | 9 | B: 1:00.89 (+0.01s | 0.0%) | SwimRVA | 05/04/2024 | BASS Jim Frye Memorial Invitational May 202 | ||
| 898 | Kai Kitamori | 1:00.92 | 10 | B: 1:00.89 (+0.03s | 0.0%) | East Bay Bat Rays | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 899 | August Venghaus | 1:00.92 | 10 | B: 1:00.89 (+0.03s | 0.0%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | ||
| 900 | Henry Moore | 1:00.95 | 10 | B: 1:00.89 (+0.06s | 0.1%) | Ladera Oaks | 05/18/2024 | Alto May Cray 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.