USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4901 | Ethan Miller | 46.46 | 9 | B Min | BB: 42.89 (+3.57s | 7.7%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 4902 | Owen Zhu | 46.46 | 9 | B Min | BB: 42.89 (+3.57s | 7.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 4903 | Charles Mulliner | 46.47 | 9 | B Min | BB: 42.89 (+3.58s | 7.7%) | Streamline Aquatics | 11/07/2025 | 2025 ST SASA Sombrero Series Tres | |
| 4904 | Christian Oh | 46.47 | 9 | B Min | BB: 42.89 (+3.58s | 7.7%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 4905 | Felix Franson | 46.47 | 9 | B Min | BB: 42.89 (+3.58s | 7.7%) | Pikes Peak Athletics | 04/11/2026 | 2026 CO PPA Sprint Penthathlon | |
| 4906 | Gabriel Opperman | 46.47 | 10 | B Min | BB: 42.89 (+3.58s | 7.7%) | Wtrc Sharks | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 4907 | Roman Moore | 46.48 | 8 | B Min | BB: 42.89 (+3.59s | 7.7%) | YMCA of Northwest North Caroli | 12/05/2025 | 2025 TYDE Winter Championship | |
| 4908 | Theodore Gardner | 46.48 | 10 | B Min | BB: 42.89 (+3.59s | 7.7%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 4909 | William McDowell | 46.48 | 8 | B Min | BB: 42.89 (+3.59s | 7.7%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 4910 | Kauri Katene | 46.48 | 7 | B Min | BB: 42.89 (+3.59s | 7.7%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4911 | Findlay Dougherty | 46.48 | 9 | B Min | BB: 42.89 (+3.59s | 7.7%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 4912 | Radin Yazdan | 46.48 | 10 | B Min | BB: 42.89 (+3.59s | 7.7%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 4913 | John Miller | 46.48 | 10 | B Min | BB: 42.89 (+3.59s | 7.7%) | YMCA OF Western North Carolina | 09/27/2025 | 2025 WNCY October Opener Copied Copied | |
| 4914 | Leonardo DiVincenzo | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | Blue Tide Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 4915 | Charles Baccich | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | Team Charlotte Swimming | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 4916 | Austin Houser | 46.49 | 7 | B Min | BB: 42.89 (+3.60s | 7.7%) | Blue Water Otters | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 4917 | Jesper Lin | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | Trident Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 4918 | Jayden Yu | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 4919 | Oliver Catala | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | Gulliver Swim Club | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 4920 | Bennett Haselfeld | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | Issaquah Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 4921 | Miles Wang | 46.50 | 9 | B Min | BB: 42.89 (+3.61s | 7.8%) | Pleasanton Seahawks | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 4922 | Samuel Pratt | 46.50 | 9 | B Min | BB: 42.89 (+3.61s | 7.8%) | United Swim Club | 02/21/2026 | 2026 USC Last Chance | |
| 4923 | Benjamin Lahaye-Biddle | 46.50 | 9 | B Min | BB: 42.89 (+3.61s | 7.8%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 4924 | Theo Ferrufino Paz | 46.50 | 10 | B Min | BB: 42.89 (+3.61s | 7.8%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 4925 | Sri Kamarajugadda | 46.50 | 9 | B Min | BB: 42.89 (+3.61s | 7.8%) | Weymouth Club Waves | 05/10/2026 | 2026 NE NSSC Invitational At BC High | |
| 4926 | Alex Chatfield | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Annapolis Swim Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 4927 | Van Calicchio | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Plantation Swim Team | 10/03/2025 | Early October Central Park Series | |
| 4928 | Aldon Rafferty | 46.51 | 10 | B Min | BB: 42.89 (+3.62s | 7.8%) | Middlebury Aquatics Club | 11/07/2025 | 2025 NE UVAC Dorsi Raynolds Memorial Meet C | |
| 4929 | Yihao Wu | 46.51 | 8 | B Min | BB: 42.89 (+3.62s | 7.8%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 4930 | Matthew Monteleone | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Raleigh Swimming Association | 10/11/2025 | 2025 CAT Rock The Block | |
| 4931 | Bohdan Tereshchenko | 46.51 | 10 | B Min | BB: 42.89 (+3.62s | 7.8%) | South Florida Aquatic Club | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 4932 | Andy McCutchen | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Gsa | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
| 4933 | Min Setsuda | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Spartan Aquatic Club | 01/16/2026 | SLA Arctic Blast 2026 | |
| 4934 | Marlon Chinchilla | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Piranha Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 4935 | Calvin Wilson | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Seattle Metropolitan Aquatic C | 05/17/2026 | 2026 PN SMAC May Mini Meet Approved | |
| 4936 | Benjamin Kimbrell | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | New Wave Swim Team | 01/16/2026 | 2026 RSA Winter Tri | |
| 4937 | Patrick Lytle | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4938 | George Barksdale | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | Lynchburg YMCA Swim Team | 01/02/2026 | 2026 LY Winter Invitational | |
| 4939 | Collin Yang | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | Waterloo Swimming | 02/01/2026 | 2026 ST WLOO February Splash | |
| 4940 | Lerone Davis | 46.53 | 8 | B Min | BB: 42.89 (+3.64s | 7.8%) | Manhattan Makos | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4941 | Brij Fitzgerald | 46.53 | 9 | B Min | BB: 42.89 (+3.64s | 7.8%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 4942 | Jacob Johnson | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | YMCA of Austin Swim Alliance | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 4943 | John Brethauer | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | YMCA Presidio Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 4944 | Christopher Ewing | 46.53 | 9 | B Min | BB: 42.89 (+3.64s | 7.8%) | South Lake Aquatic Club | 02/21/2026 | 2026 SLAC Last Chance To Dance Invitational | |
| 4945 | Oscar Feng | 46.54 | 10 | B Min | BB: 42.89 (+3.65s | 7.8%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 4946 | Patrick Velgersdyk | 46.54 | 10 | B Min | BB: 42.89 (+3.65s | 7.8%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 4947 | Robin Ochoa | 46.54 | 8 | B Min | BB: 42.89 (+3.65s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4948 | William Tinnin | 46.54 | 10 | B Min | BB: 42.89 (+3.65s | 7.8%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4949 | Graycin Wilson | 46.54 | 8 | B Min | BB: 42.89 (+3.65s | 7.8%) | Wheeling YMCA | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 4950 | Jack Mancha | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker 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.