USA Boys 10 & under - 50 M Free
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 | Riaan Chandak | 41.50 | 9 | B Min | BB: 39.79 (+1.71s | 4.1%) | Milpitas Aquatic Club | 07/11/2025 | 2025 Age Group Championships | |
| 852 | Kevin Nguyen | 41.50 | 9 | B Min | BB: 39.79 (+1.71s | 4.1%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 853 | James Mayo | 41.51 | 9 | B Min | BB: 39.79 (+1.72s | 4.1%) | Gulf Coast Swim Team | 04/11/2025 | 2025 GCST Spring Invite | |
| 854 | David Chen | 41.53 | 9 | B Min | BB: 39.79 (+1.74s | 4.2%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 855 | Oliver Song Zhang | 41.53 | 9 | B Min | BB: 39.79 (+1.74s | 4.2%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 856 | Henry Deurmeier | 41.54 | 10 | B Min | BB: 39.79 (+1.75s | 4.2%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 857 | Camden Stubbs | 41.54 | 10 | B Min | BB: 39.79 (+1.75s | 4.2%) | Lakeview Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | |
| 858 | Luca Goulet | 41.55 | 9 | B Min | BB: 39.79 (+1.76s | 4.2%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 859 | Nicholas Harrold | 41.56 | 9 | B Min | BB: 39.79 (+1.77s | 4.3%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 860 | Bates Canada | 41.56 | 9 | B Min | BB: 39.79 (+1.77s | 4.3%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 861 | Jude Stone | 41.56 | 9 | B Min | BB: 39.79 (+1.77s | 4.3%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 862 | Arjun Jois | 41.57 | 7 | B Min | BB: 39.79 (+1.78s | 4.3%) | Houston Bridge Bats | 06/14/2025 | CCLR CEM Summer Beach Bash LCM Unclassified | |
| 863 | Reed Mock | 41.57 | 8 | B Min | BB: 39.79 (+1.78s | 4.3%) | South Orange County Aquatics | 06/13/2024 | 2024 CA SCS NOVA June Age Group Invite | |
| 864 | Alex Tang | 41.57 | 8 | B Min | BB: 39.79 (+1.78s | 4.3%) | Wasc | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 865 | Noah Dunning | 41.58 | 8 | B Min | BB: 39.79 (+1.79s | 4.3%) | Bangor YMCA Barracudas | 07/11/2024 | 2024 ME 3rd Annual LCM Championships | |
| 866 | Preston Cain | 41.59 | 9 | B Min | BB: 39.79 (+1.80s | 4.3%) | Streamline Aquatics | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 867 | Hugo Chian | 41.59 | 10 | B Min | BB: 39.79 (+1.80s | 4.3%) | The Olympic Club | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 868 | Terry Pan | 41.60 | 9 | B Min | BB: 39.79 (+1.81s | 4.4%) | Cascadia Swimming | 11/02/2024 | Oregon City Fall Open 2024 | |
| 869 | Wesley Lang | 41.60 | 8 | B Min | BB: 39.79 (+1.81s | 4.4%) | River Road Swim Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 870 | Louis Yu | 41.62 | 7 | B Min | BB: 39.79 (+1.83s | 4.4%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 871 | Ellis Houghton | 41.63 | 7 | B Min | BB: 39.79 (+1.84s | 4.4%) | Georgia Coastal Aquatic Team | 05/23/2025 | EAJ Mayhem 2025 | |
| 872 | Shiloh Gibson | 41.63 | 7 | B Min | BB: 39.79 (+1.84s | 4.4%) | Miami County Day Aquatic | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 873 | Alonso Andrade | 41.64 | 8 | B Min | BB: 39.79 (+1.85s | 4.4%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 874 | Zander Youngren | 41.64 | 10 | B Min | BB: 39.79 (+1.85s | 4.4%) | Monticello Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 875 | Demian Jarmy | 41.64 | 9 | B Min | BB: 39.79 (+1.85s | 4.4%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 876 | Roman Kappa | 41.64 | 7 | B Min | BB: 39.79 (+1.85s | 4.4%) | Lakewood Ranch Swim Associatio | 06/07/2025 | 2025 SRQ SUMMER AGE GROUP MEET | |
| 877 | Westley Berman | 41.64 | 9 | B Min | BB: 39.79 (+1.85s | 4.4%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 878 | Isaac Burla | 41.65 | 9 | B Min | BB: 39.79 (+1.86s | 4.5%) | South East Metro Sharks | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 879 | Aiden Kiatrungrit | 41.65 | 9 | B Min | BB: 39.79 (+1.86s | 4.5%) | South San Francisco Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 880 | Feodor Karyakin | 41.65 | 10 | B Min | BB: 39.79 (+1.86s | 4.5%) | Tampa Bay Aquatic Club | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 881 | Emerson Vivion | 41.67 | 10 | B Min | BB: 39.79 (+1.88s | 4.5%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 882 | Flynn Chen | 41.67 | 8 | B Min | BB: 39.79 (+1.88s | 4.5%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 883 | Benjamin Leger | 41.68 | 8 | B Min | BB: 39.79 (+1.89s | 4.5%) | Lynchburg YMCA Swim Team | 07/12/2024 | 2024 CCA Summer Awards | |
| 884 | Ryan Zhang | 41.68 | 9 | B Min | BB: 39.79 (+1.89s | 4.5%) | Palo Alto Stanford Aquatics | 06/22/2024 | Alto Beat The Heat Sat Sun | |
| 885 | Cannon Brown | 41.68 | 9 | B Min | BB: 39.79 (+1.89s | 4.5%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 886 | Fanch Hamon | 41.69 | 10 | B Min | BB: 39.79 (+1.90s | 4.6%) | Excel Aquatics | 05/29/2025 | 2025 IE VS Apple Capital | |
| 887 | Qifan Gong | 41.69 | 8 | B Min | BB: 39.79 (+1.90s | 4.6%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 888 | Maverick Albright | 41.70 | 10 | B Min | BB: 39.79 (+1.91s | 4.6%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 889 | Jaylen Chen | 41.70 | 9 | B Min | BB: 39.79 (+1.91s | 4.6%) | Riptide Swim Team | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 890 | Micah Gonzalez | 41.72 | 9 | B Min | BB: 39.79 (+1.93s | 4.6%) | Sawtooth Aquatic Club | 07/05/2025 | Sawtooth Last Chance Time Trial | |
| 891 | Sebastian Guadarrama Retana | 41.72 | 9 | B Min | BB: 39.79 (+1.93s | 4.6%) | Tigres Uanl | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 892 | Adrian Goo | 41.72 | 9 | B Min | BB: 39.79 (+1.93s | 4.6%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 893 | Jax Richard | 41.73 | 9 | B Min | BB: 39.79 (+1.94s | 4.6%) | Life Time Fitness Utah Swim Te | 04/11/2025 | WFFM LC Kickoff 2025 | |
| 894 | Buchanan Sanchez | 41.75 | 10 | B Min | BB: 39.79 (+1.96s | 4.7%) | Bainbridge Island Swim Club | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 895 | Leo Zeng | 41.76 | 9 | B Min | BB: 39.79 (+1.97s | 4.7%) | Santa Clara Swim Club | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 896 | Owen Hunt | 41.76 | 9 | B Min | BB: 39.79 (+1.97s | 4.7%) | Coeur D\\\\\\'alene Area Swim Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 897 | Benjamin Carusone | 41.76 | 8 | B Min | BB: 39.79 (+1.97s | 4.7%) | Westlake Aquatic Facility | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 898 | Silas Sebera | 41.77 | 8 | B Min | BB: 39.79 (+1.98s | 4.7%) | Nova of Virginia | 06/22/2024 | 2024 WAC Summer Sizzle Meet | |
| 899 | Rocky Killingsworth | 41.78 | 10 | B Min | BB: 39.79 (+1.99s | 4.8%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 900 | Theodore Cook | 41.80 | 8 | B Min | BB: 39.79 (+2.01s | 4.8%) | SlipStream Aquatics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
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.