USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Ryan Karapostoles | 49.03 | 8 | BB Min | A: 43.09 (+5.94s | 12.1%) | Swim Melbourne | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 752 | Joshua Vitale | 49.04 | 9 | BB Min | A: 43.09 (+5.95s | 12.1%) | Lake Oswego Swim Club | 06/26/2025 | 2025 Howard Jones Open | |
| 753 | Zachary Cheney | 49.06 | 10 | BB Min | A: 43.09 (+5.97s | 12.2%) | High Tides Swim Club | 07/18/2025 | 2025 MN MAN Minnesota Regional Championship | |
| 754 | Abraham Carver | 49.07 | 8 | BB Min | A: 43.09 (+5.98s | 12.2%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 755 | Henry Fransen Weinberger | 49.07 | 7 | BB Min | A: 43.09 (+5.98s | 12.2%) | Minnetonka Swim Club | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 756 | Conrad Postle | 49.08 | 8 | BB Min | A: 43.09 (+5.99s | 12.2%) | West Florida Lightning Aquatic | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 757 | Michel Opp | 49.08 | 9 | BB Min | A: 43.09 (+5.99s | 12.2%) | Sporting Jax Aquatic Club | 05/03/2025 | SwimRise IMX IMR Challenge | |
| 758 | Isaac Marcuson | 49.08 | 9 | BB Min | A: 43.09 (+5.99s | 12.2%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 759 | Zachary Allred | 49.09 | 10 | BB Min | A: 43.09 (+6.00s | 12.2%) | Fog City Hammerheads | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 760 | Mateo Sison | 49.10 | 9 | BB Min | A: 43.09 (+6.01s | 12.2%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 761 | Alan Li | 49.12 | 10 | BB Min | A: 43.09 (+6.03s | 12.3%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 762 | Alex Levy | 49.12 | 10 | B: 44.49 (+4.63s | 9.4%) | Mercy HealthPlex Sea Wolves | 08/06/2025 | 2025 Summer Elite Showcase | ||
| 763 | Levi Mccloy | 49.15 | 9 | BB Min | A: 43.09 (+6.06s | 12.3%) | High Performance Aquatic Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 764 | Chezeq Morgos | 49.15 | 9 | BB Min | A: 43.09 (+6.06s | 12.3%) | Sea Dragon Aquatics | 05/03/2025 | 2025 Sea Dragon May Open | |
| 765 | Yunus Mukhamadieva | 49.16 | 9 | BB Min | A: 43.09 (+6.07s | 12.3%) | Brentwood Seawolves | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 766 | Roman Tsikalov | 49.17 | 9 | BB Min | A: 43.09 (+6.08s | 12.4%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 767 | Maximus Wan | 49.18 | 10 | BB Min | A: 43.09 (+6.09s | 12.4%) | Highlander Aquatic Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 768 | Peter Pickett | 49.18 | 10 | BB Min | A: 43.09 (+6.09s | 12.4%) | Steel City Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 769 | Alonso Andrade | 49.19 | 8 | BB Min | A: 43.09 (+6.10s | 12.4%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 770 | Alexander Escalona | 49.21 | 9 | BB Min | A: 43.09 (+6.12s | 12.4%) | Great Illinois Swimmers | 08/06/2025 | 2025 Summer Elite Showcase | |
| 771 | Caleb McGovern | 49.23 | 10 | BB Min | A: 43.09 (+6.14s | 12.5%) | Portland Aquatic Club | 11/14/2025 | GACC PAC 12 U Sprint Dual | |
| 772 | Everett Philipps | 49.25 | 10 | BB Min | A: 43.09 (+6.16s | 12.5%) | Issaquah Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 773 | Emmett Curry | 49.26 | 9 | BB Min | A: 43.09 (+6.17s | 12.5%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 774 | Thomas Cooke | 49.27 | 8 | BB Min | A: 43.09 (+6.18s | 12.5%) | Aptos Cabrillo Swim Club | 06/27/2025 | Valley Splash | |
| 775 | Ryker Mahowald | 49.27 | 9 | BB Min | A: 43.09 (+6.18s | 12.5%) | Vermillion Area Swim Team | 06/20/2025 | VAST SPLASH | |
| 776 | Sebastian Hartline | 49.28 | 9 | BB Min | A: 43.09 (+6.19s | 12.6%) | Multnomah Athletic Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 777 | Alexander Rao | 49.29 | 10 | BB Min | A: 43.09 (+6.20s | 12.6%) | Eastside Aquatic Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 778 | William Johnson | 49.31 | 8 | B Min | BB: 49.29 (+0.02s | 0.0%) | Swim Florida | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 779 | Patrick McClutchy | 49.32 | 10 | B Min | BB: 49.29 (+0.03s | 0.1%) | Occoquan Swimming | 08/06/2025 | 2025 Summer Elite Showcase | |
| 780 | Wilder Toohey | 49.33 | 10 | B Min | BB: 49.29 (+0.04s | 0.1%) | La Grande Swim Club | 07/05/2025 | Pendleton Open 2025 | |
| 781 | Blake Davis | 49.42 | 7 | B Min | BB: 49.29 (+0.13s | 0.3%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 782 | Jacob Gamio | 49.42 | 8 | B Min | BB: 49.29 (+0.13s | 0.3%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 783 | Theodore Gerber | 49.42 | 10 | B Min | BB: 49.29 (+0.13s | 0.3%) | Wave Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 784 | Vincent Salameh | 49.44 | 10 | B Min | BB: 49.29 (+0.15s | 0.3%) | Stingray Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 785 | Shane Kirk | 49.45 | 8 | B Min | BB: 49.29 (+0.16s | 0.3%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 786 | Milo Gordon | 49.45 | 8 | B Min | BB: 49.29 (+0.16s | 0.3%) | Flatiron Athletic Club | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 787 | Luke Cheng | 49.45 | 9 | B Min | BB: 49.29 (+0.16s | 0.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 788 | Benjamin Gonen | 49.46 | 8 | B Min | BB: 49.29 (+0.17s | 0.3%) | YMCA of Austin Swim Alliance | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 789 | Yashovar Nallannagari | 49.47 | 9 | B Min | BB: 49.29 (+0.18s | 0.4%) | Nitro Swimming | 04/26/2025 | 2025 ST NTRO Splashing Into Long Course | |
| 790 | Trent Dekker | 49.49 | 10 | B Min | BB: 49.29 (+0.20s | 0.4%) | Tri-State Swim Team | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 791 | Landon Callaway | 49.49 | 10 | B Min | BB: 49.29 (+0.20s | 0.4%) | Aces Swim Club | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 792 | Milo Lanigan | 49.50 | 9 | B Min | BB: 49.29 (+0.21s | 0.4%) | Pikes Peak Athletics | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 793 | Barrett Zubke | 49.51 | 9 | B Min | BB: 49.29 (+0.22s | 0.4%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 794 | Bentley Frost | 49.52 | 8 | B Min | BB: 49.29 (+0.23s | 0.5%) | Pierre Swim Team | 07/19/2024 | 2024 South Dakota Long Course State A | |
| 795 | Luke Chaikriangkrai | 49.54 | 8 | B Min | BB: 49.29 (+0.25s | 0.5%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 796 | Levi Lahr | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | Hurricanes Swim Team | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 797 | Benjamin Tanner | 49.54 | 9 | B Min | BB: 49.29 (+0.25s | 0.5%) | Perth Stingrays Aquatic Club | 07/11/2024 | 2024 ME 3rd Annual LCM Championships | |
| 798 | Russell George | 49.55 | 10 | B Min | BB: 49.29 (+0.26s | 0.5%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 799 | John Griswold | 49.56 | 10 | B Min | BB: 49.29 (+0.27s | 0.5%) | Alameda Gators | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 800 | Adam Sherman | 49.56 | 9 | B Min | BB: 49.29 (+0.27s | 0.5%) | Lakewood Ranch Swim Associatio | 06/19/2025 | 2025 Shark Open | |
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.