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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5051 | Timothy Natonski | 46.73 | 8 | B Min | BB: 42.89 (+3.84s | 8.2%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 5052 | Shane Varian | 46.73 | 10 | B Min | BB: 42.89 (+3.84s | 8.2%) | Alamo Area Aquatic Association | 11/22/2025 | 2025 Harvest Hustle | |
| 5053 | Abayan Prithviraj | 46.74 | 10 | B Min | BB: 42.89 (+3.85s | 8.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 5054 | Linus McMaster | 46.74 | 9 | B Min | BB: 42.89 (+3.85s | 8.2%) | Eugene City Swim Club | 04/25/2026 | 2026 April Showers Copied | |
| 5055 | Maddox Trexler | 46.74 | 9 | B Min | BB: 42.89 (+3.85s | 8.2%) | Columbia Aquatics Association | 09/26/2025 | RAC First Splash 2025 | |
| 5056 | Caleb Reppe | 46.74 | 10 | B Min | BB: 42.89 (+3.85s | 8.2%) | Green Terror Aquatic Club | 11/22/2025 | 20205 Odd Ball Challenge | |
| 5057 | Callan Knower | 46.75 | 8 | B Min | BB: 42.89 (+3.86s | 8.3%) | Naval Academy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 5058 | Owen Best | 46.75 | 10 | B Min | BB: 42.89 (+3.86s | 8.3%) | Ygb Sea Dragons | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 5059 | Karthikeya Mandiga | 46.76 | 10 | B Min | BB: 42.89 (+3.87s | 8.3%) | Life Time Swim Ohio | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 5060 | Santiago Buitrago | 46.76 | 9 | B Min | BB: 42.89 (+3.87s | 8.3%) | Northglenn Fusion Swim Club | 06/21/2026 | 2026 CO Loveland Snow Cone Meet #2 | |
| 5061 | Woohyun Kim | 46.76 | 8 | B Min | BB: 42.89 (+3.87s | 8.3%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 5062 | Zayden Connelly | 46.76 | 9 | B Min | BB: 42.89 (+3.87s | 8.3%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 5063 | Brooks Melmer | 46.76 | 8 | B Min | BB: 42.89 (+3.87s | 8.3%) | Watertown Area Swim Club | 02/06/2026 | 2026 Qualifying Meet | |
| 5064 | Cory Tse | 46.76 | 9 | B Min | BB: 42.89 (+3.87s | 8.3%) | Qns Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 5065 | Withers Poellnitz | 46.77 | 9 | B Min | BB: 42.89 (+3.88s | 8.3%) | Streamline & Sprint Human Perf | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 5066 | John Robbins | 46.77 | 10 | B Min | BB: 42.89 (+3.88s | 8.3%) | Cavalier Aquatics/Piedmont Fam | 01/02/2026 | 2026 LY Winter Invitational | |
| 5067 | Sage Trowers | 46.77 | 8 | B Min | BB: 42.89 (+3.88s | 8.3%) | Condors Swim Club | 01/19/2026 | 2026 MR YMID MLK 8 Under Meet | |
| 5068 | Zachary Mohammed | 46.78 | 10 | B Min | BB: 42.89 (+3.89s | 8.3%) | Blue Dolfins | 12/13/2025 | 2025 BD Holiday Invite | |
| 5069 | Henry Huizing | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | North Kent Aquatic Team | 12/05/2025 | EGRA 2025 Winter Washout | |
| 5070 | Eddie Willis | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | Accokeek Stroke Technique Swim | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 5071 | Bruce Zhang | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 5072 | Nalan Vijay | 46.78 | 9 | B Min | BB: 42.89 (+3.89s | 8.3%) | Seattle Metropolitan Aquatic C | 06/14/2026 | 2026 SMAC June Mini Meet Approved | |
| 5073 | Henry Kunz | 46.79 | 9 | B Min | BB: 42.89 (+3.90s | 8.3%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 5074 | Noah Monnet | 46.79 | 9 | B Min | BB: 42.89 (+3.90s | 8.3%) | Quest Swimming | 03/21/2026 | Quest Swimming March Madness Intrasquad Mee | |
| 5075 | Davis Peden | 46.79 | 10 | B Min | BB: 42.89 (+3.90s | 8.3%) | Greater Pensacola Aquatic Club | 09/06/2025 | 2025 GPAC Team Time Trial | |
| 5076 | Alexander Evans | 46.79 | 8 | B Min | BB: 42.89 (+3.90s | 8.3%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 5077 | Carter Mulcahy | 46.79 | 9 | B Min | BB: 42.89 (+3.90s | 8.3%) | YMCA of Central Massachusetts | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 5078 | Kaiden Fontilus | 46.79 | 10 | B Min | BB: 42.89 (+3.90s | 8.3%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 5079 | Leo Billig | 46.79 | 9 | B Min | BB: 42.89 (+3.90s | 8.3%) | Westchester Aquatic Club | 10/18/2025 | 2025 MR WEST Tricia Dewey Tails Of Hope | |
| 5080 | Caden Bailey | 46.80 | 9 | B Min | BB: 42.89 (+3.91s | 8.4%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 5081 | Elliot Beghtel | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Ybac Hurricanes | 01/17/2026 | 2026 YBAC Blizzard Invitational | |
| 5082 | Joshua Cheung | 46.80 | 8 | B Min | BB: 42.89 (+3.91s | 8.4%) | Dedham Health Hydra | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 5083 | Cayden Johnson | 46.80 | 9 | B Min | BB: 42.89 (+3.91s | 8.4%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 5084 | Aaron Lee | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 5085 | Robert Kolesnik | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Bulldog Swim Club | 03/07/2026 | BAC Race To AGCs | |
| 5086 | Bodhi Etchells | 46.80 | 9 | B Min | BB: 42.89 (+3.91s | 8.4%) | Issaquah Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 5087 | Lucas Palacios | 46.80 | 10 | B Min | BB: 42.89 (+3.91s | 8.4%) | Sun City Swimming | 12/07/2025 | 2025 BD Del Norte #3 | |
| 5088 | Harrison Stamper | 46.81 | 9 | B Min | BB: 42.89 (+3.92s | 8.4%) | YMCA of Northwest North Caroli | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 5089 | Joseph Johnson | 46.81 | 10 | B Min | BB: 42.89 (+3.92s | 8.4%) | Unattached | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 5090 | William Riederer | 46.81 | 10 | B Min | BB: 42.89 (+3.92s | 8.4%) | Memphis Tiger Swimming | 10/03/2025 | 2025 Tiger Fall Classic | |
| 5091 | Peter Randall | 46.81 | 8 | B Min | BB: 42.89 (+3.92s | 8.4%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 5092 | Jem Smith | 46.81 | 9 | B Min | BB: 42.89 (+3.92s | 8.4%) | West Texas Typhoon | 12/07/2025 | 2025 BD Del Norte #3 | |
| 5093 | Flynn Erickson | 46.81 | 7 | B Min | BB: 42.89 (+3.92s | 8.4%) | Watertown Area Swim Club | 02/06/2026 | 2026 Qualifying Meet | |
| 5094 | Griffin Bigos | 46.82 | 8 | B Min | BB: 42.89 (+3.93s | 8.4%) | Merritt Athletic Swimming | 12/20/2025 | The Grinch Stole My Times (8 U) 2025 | |
| 5095 | Holland Reafsnyder | 46.82 | 10 | B Min | BB: 42.89 (+3.93s | 8.4%) | Legacy Aquatics | 05/17/2025 | 2025 John DeRoest Sextathlon Swim Meet | |
| 5096 | Cohen Wright | 46.82 | 10 | B Min | BB: 42.89 (+3.93s | 8.4%) | Life Time Southeast | 12/13/2025 | 2025 Marshmallow Mini | |
| 5097 | Isaac Bloom | 46.82 | 9 | B Min | BB: 42.89 (+3.93s | 8.4%) | Burlington YMCA Dynamo | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 5098 | Grayson Delmas | 46.82 | 10 | B Min | BB: 42.89 (+3.93s | 8.4%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 5099 | Westin Rozevink | 46.82 | 9 | B Min | BB: 42.89 (+3.93s | 8.4%) | Napoleon Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 5100 | Soren Resteiner | 46.82 | 9 | B Min | BB: 42.89 (+3.93s | 8.4%) | OgemawAreaSwim Club(Angelfish) | 02/15/2026 | 2026 MTSL Championship | |
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.