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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3901 | Matteo Viaene | 52.68 | 9 | B Min | BB: 47.69 (+4.99s | 9.5%) | Waterloo Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3902 | William Crocker | 52.68 | 8 | B Min | BB: 47.69 (+4.99s | 9.5%) | SlipStream Aquatics | 09/13/2026 | 2026 SSA Red Vs Yellow Intra Squad | |
| 3903 | Andrew Zamora | 52.69 | 9 | B Min | BB: 47.69 (+5.00s | 9.5%) | Cranston YMCA Marlins | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 3904 | Duke Gartrell | 52.69 | 10 | B Min | BB: 47.69 (+5.00s | 9.5%) | Y in Central Maryland Blue Cra | 12/05/2025 | 2025 Christmas Championships | |
| 3905 | Benjamin Rivera | 52.69 | 9 | B Min | BB: 47.69 (+5.00s | 9.5%) | YMCA of Northwest North Caroli | 11/15/2025 | 2025 John Dewey Invitational | |
| 3906 | Lee Nemecek | 52.70 | 7 | B Min | BB: 47.69 (+5.01s | 9.5%) | Rivertown Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3907 | Liam Fetty | 52.70 | 8 | B Min | BB: 47.69 (+5.01s | 9.5%) | Desert Storm Swimming | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 3908 | Aaron Zheng | 52.71 | 7 | B Min | BB: 47.69 (+5.02s | 9.5%) | The Fish | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 3909 | Ivan Iammarino | 52.71 | 9 | B Min | BB: 47.69 (+5.02s | 9.5%) | Great Lakes Sailfish Swimming | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 3910 | Sasha Ivanov | 52.71 | 10 | B Min | BB: 47.69 (+5.02s | 9.5%) | Fairfax Foxes Swimming | 11/21/2025 | 2025 Swim Rock | |
| 3911 | August Havey | 52.71 | 9 | B Min | BB: 47.69 (+5.02s | 9.5%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 3912 | Issa Hussain | 52.71 | 9 | B Min | BB: 47.69 (+5.02s | 9.5%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 3913 | Leo McRobbie | 52.71 | 9 | B Min | BB: 47.69 (+5.02s | 9.5%) | Hillsboro Swim Team | 10/09/2026 | 2026 OR HEAT Fall Invitational | |
| 3914 | Asher Freiberg | 52.71 | 10 | B Min | BB: 47.69 (+5.02s | 9.5%) | Kamehameha Swim Club | 10/02/2026 | 2026 HI Al Minn Invitational | |
| 3915 | Mason Wright | 52.72 | 10 | B Min | BB: 47.69 (+5.03s | 9.5%) | Saline Swim Team | 02/28/2026 | 2026 Last Chance Meet | |
| 3916 | Lee Lopez | 52.72 | 10 | B Min | BB: 47.69 (+5.03s | 9.5%) | SOL Swim Team | 12/13/2025 | 2025 SI CAST 14U Rising Stars 2 | |
| 3917 | Isaac Pearce | 52.72 | 8 | B Min | BB: 47.69 (+5.03s | 9.5%) | Aces Swim Club | 09/19/2026 | 2026 CO ACES Intrasquad #1 | |
| 3918 | Jason Thai | 52.72 | 10 | B Min | BB: 47.69 (+5.03s | 9.5%) | Circle C Select Swim Team | 10/24/2026 | 2026 ST CCSS SC Unclassified | |
| 3919 | Beau Connelly | 52.73 | 10 | B Min | BB: 47.69 (+5.04s | 9.6%) | Los Gatos Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | |
| 3920 | Maxwell Mulholland | 52.73 | 8 | B Min | BB: 47.69 (+5.04s | 9.6%) | Asphalt Green Unified Aquatics | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 3921 | Blake Beaver | 52.73 | 9 | B Min | BB: 47.69 (+5.04s | 9.6%) | Rutherford County Swim Team | 03/20/2026 | 2026 BRSL Championships | |
| 3922 | Skye Zhang | 52.73 | 9 | B Min | BB: 47.69 (+5.04s | 9.6%) | Sea to Desert Swim Association | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 3923 | Rigel Rice | 52.74 | 9 | B Min | BB: 47.69 (+5.05s | 9.6%) | Commonwealth Swimming | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 3924 | George Zidon | 52.74 | 9 | B Min | BB: 47.69 (+5.05s | 9.6%) | Hastings Area Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3925 | Greyson Bobev | 52.74 | 9 | B Min | BB: 47.69 (+5.05s | 9.6%) | The Berkeley Barracudas | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 3926 | Everett Crawford | 52.74 | 9 | B Min | BB: 47.69 (+5.05s | 9.6%) | Bainbridge Island Swim Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 3927 | Alejandro MacEwan | 52.75 | 10 | B Min | BB: 47.69 (+5.06s | 9.6%) | Instinct Swimming | 05/09/2026 | 2026 NE INST Pentathlon | |
| 3928 | Henry Drotleff | 52.75 | 8 | B Min | BB: 47.69 (+5.06s | 9.6%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 3929 | Oliver Allison | 52.75 | 9 | B Min | BB: 47.69 (+5.06s | 9.6%) | Portland Aquatic Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 3930 | Leo Collar | 52.76 | 9 | B Min | BB: 47.69 (+5.07s | 9.6%) | Hurricane Penguins Swim Club | 02/28/2026 | 2026 Last Chance Meet | |
| 3931 | Tomer Fromberg | 52.76 | 9 | B Min | BB: 47.69 (+5.07s | 9.6%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 3932 | Theodore Long | 52.76 | 8 | B Min | BB: 47.69 (+5.07s | 9.6%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 3933 | Brendan Holloway | 52.76 | 9 | B Min | BB: 47.69 (+5.07s | 9.6%) | Clearfield City Aquatic Team | 12/13/2025 | SDAT Winter Pentathlon | |
| 3934 | Ethan Stein | 52.76 | 9 | B Min | BB: 47.69 (+5.07s | 9.6%) | Daly City Dolphins | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 3935 | Ayden Xiao | 52.77 | 9 | B Min | BB: 47.69 (+5.08s | 9.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 3936 | Jared Chen | 52.78 | 10 | B Min | BB: 47.69 (+5.09s | 9.6%) | Qns Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 3937 | Kieran Heidtman | 52.78 | 9 | B Min | BB: 47.69 (+5.09s | 9.6%) | Helios | 10/25/2025 | Great Pumpkin Meet 2025 | |
| 3938 | Harvey Klimek | 52.78 | 9 | B Min | BB: 47.69 (+5.09s | 9.6%) | Pine Island Aquatics | 10/16/2026 | FRIDAY NITE RACES OCT 2026 | |
| 3939 | Mayson Huang | 52.78 | 9 | B Min | BB: 47.69 (+5.09s | 9.6%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 3940 | Xander Dalai | 52.79 | 8 | B Min | BB: 47.69 (+5.10s | 9.7%) | Old Dominion Aquatic Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 3941 | Carter Chan | 52.79 | 8 | B Min | BB: 47.69 (+5.10s | 9.7%) | Commonwealth Swimming | 01/30/2026 | 2026 NE CS Silver Championships | |
| 3942 | Max Altman | 52.79 | 10 | B Min | BB: 47.69 (+5.10s | 9.7%) | Tiger Shark of Texas | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 3943 | Henry Nelligan | 52.80 | 9 | B Min | BB: 47.69 (+5.11s | 9.7%) | Sparks Piranhas Swim Team | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | |
| 3944 | Peter Neibaur | 52.80 | 8 | B Min | BB: 47.69 (+5.11s | 9.7%) | Voltage Aquatics | 07/12/2025 | 2025 Mashed Potato Dash | |
| 3945 | Conor Riley | 52.80 | 8 | B Min | BB: 47.69 (+5.11s | 9.7%) | Bayside Aquatics | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 3946 | Jack Kitch | 52.80 | 9 | B Min | BB: 47.69 (+5.11s | 9.7%) | Univ. of Denver Hilltoppers | 09/19/2026 | 2026 CO TOPS FST Pentathlon | |
| 3947 | Reuben Kaar | 52.80 | 8 | B Min | BB: 47.69 (+5.11s | 9.7%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 3948 | Zachary Anderson | 52.81 | 9 | B Min | BB: 47.69 (+5.12s | 9.7%) | Supernova Swim Team | 02/06/2026 | 2026 Michigan Open | |
| 3949 | Edward Cadwallader | 52.81 | 9 | B Min | BB: 47.69 (+5.12s | 9.7%) | North Whidbey Aquatic Club | 07/11/2026 | 2026 BBST Final Summer Splash Invite Approved | |
| 3950 | Dylan Chen | 52.82 | 7 | B Min | BB: 47.69 (+5.13s | 9.7%) | Harbor Seals | 03/07/2026 | 2026 MR Metro 8 Under 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.