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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Yusuf Cavcic | 49.66 | 10 | B Min | BB: 49.29 (+0.37s | 0.7%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 2002 | Hunter Atkins | 49.66 | 10 | B Min | BB: 49.29 (+0.37s | 0.7%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 2003 | Oliver Lin | 49.67 | 9 | B Min | BB: 49.29 (+0.38s | 0.8%) | South Shore YMCA Strypers | 06/26/2026 | 2026 NE YNS June Prelims Finals Meet | |
| 2004 | Henry Chipman | 49.67 | 10 | B Min | BB: 49.29 (+0.38s | 0.8%) | Mako Aquatics | 07/17/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 2005 | Eli Bywater | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | South Davis Aquatics Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 2006 | Culley Schwieterman | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | Kentucky Aquatics | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 2007 | Maxwell Alred | 49.69 | 9 | B Min | BB: 49.29 (+0.40s | 0.8%) | Marshall County Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 2008 | Walter L'Hommedieu | 49.69 | 9 | B Min | BB: 49.29 (+0.40s | 0.8%) | Tampa Elite Aquatics | 06/05/2026 | 2026 TAMPA BAY SWIM CLASSIC | |
| 2009 | James Dowd | 49.69 | 8 | B Min | BB: 49.29 (+0.40s | 0.8%) | Metro Area Life Time | 05/02/2026 | 2026 STAC Thank You Mom | |
| 2010 | Collin Yang | 49.70 | 10 | B Min | BB: 49.29 (+0.41s | 0.8%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 2011 | Lucas Li | 49.70 | 9 | B Min | BB: 49.29 (+0.41s | 0.8%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 2012 | Ethan Ryder | 49.71 | 10 | B Min | BB: 49.29 (+0.42s | 0.8%) | Mystic Hammerheads | 05/16/2026 | 2026 NE KCY Invitational | |
| 2013 | Ryden Ciammaichella | 49.71 | 9 | B Min | BB: 49.29 (+0.42s | 0.8%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | |
| 2014 | JD Reeher | 49.71 | 10 | B Min | BB: 49.29 (+0.42s | 0.8%) | Cavalier Aquatics/Piedmont Fam | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 2015 | Vihaan Patsamatla | 49.71 | 10 | B Min | BB: 49.29 (+0.42s | 0.8%) | Sporting Jax Aquatic Club | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 2016 | Luca Grosso | 49.72 | 8 | B Min | BB: 49.29 (+0.43s | 0.9%) | Tac Titans | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 2017 | Nolan Li | 49.72 | 10 | B Min | BB: 49.29 (+0.43s | 0.9%) | X-Cel Swimming | 06/20/2026 | 2026 Hot Summer Nights | |
| 2018 | Noah Price | 49.73 | 8 | B Min | BB: 49.29 (+0.44s | 0.9%) | Nashville Aquatic Club | 04/18/2026 | HSA April LC Meet | |
| 2019 | Edward Slater | 49.73 | 10 | B Min | BB: 49.29 (+0.44s | 0.9%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 2020 | Albert Yang | 49.73 | 9 | B Min | BB: 49.29 (+0.44s | 0.9%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 2021 | Bastian Holsaeter | 49.73 | 9 | B Min | BB: 49.29 (+0.44s | 0.9%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 2022 | Brayden Chen | 49.74 | 9 | B Min | BB: 49.29 (+0.45s | 0.9%) | Mei\\\\\\'s Typhoons Swimming Club | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 2023 | Titus White | 49.74 | 8 | B Min | BB: 49.29 (+0.45s | 0.9%) | Hydro Swim Club | 06/26/2026 | 2026 SwimRise Season Finale | |
| 2024 | Brandon Chang | 49.74 | 10 | B Min | BB: 49.29 (+0.45s | 0.9%) | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2025 | Elias Winter | 49.75 | 10 | B Min | BB: 49.29 (+0.46s | 0.9%) | YMCA of the Triangle Area Swim | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 2026 | Ridge Harris | 49.75 | 8 | B Min | BB: 49.29 (+0.46s | 0.9%) | Bend Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 2027 | Lance Coyne | 49.76 | 9 | B Min | BB: 49.29 (+0.47s | 0.9%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 2028 | Ashton Baird | 49.77 | 8 | B Min | BB: 49.29 (+0.48s | 1.0%) | Gaston Gators | 06/06/2026 | SAC Summer Open | |
| 2029 | Luke Skillman | 49.78 | 10 | B Min | BB: 49.29 (+0.49s | 1.0%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2030 | Jay Chao | 49.78 | 10 | B Min | BB: 49.29 (+0.49s | 1.0%) | Pleasanton Seahawks | 05/02/2026 | Alto Spring Jam CBA | |
| 2031 | Gage Sena | 49.80 | 10 | B Min | BB: 49.29 (+0.51s | 1.0%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 2032 | Brooks Dechaine | 49.80 | 10 | B Min | BB: 49.29 (+0.51s | 1.0%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 2033 | Jacob Lewis | 49.81 | 8 | B Min | BB: 49.29 (+0.52s | 1.0%) | Poseidon Swimming Inc | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 2034 | Evan McGuire | 49.81 | 10 | B Min | BB: 49.29 (+0.52s | 1.0%) | Aquatex Swim & Water Polo Team | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2035 | Austin Headley | 49.81 | 10 | B Min | BB: 49.29 (+0.52s | 1.0%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 2036 | John Kichler | 49.83 | 10 | B Min | BB: 49.29 (+0.54s | 1.1%) | Opelika Swim Team | 04/18/2026 | 2026 Carson Muir Cowgirl Classic | |
| 2037 | Hayden Wang | 49.83 | 9 | B Min | BB: 49.29 (+0.54s | 1.1%) | McGrath Marlins Swim Team | 06/19/2026 | 2026 SI Splash And Dash | |
| 2038 | Sebastian Guadarrama Retana | 49.84 | 10 | B Min | BB: 49.29 (+0.55s | 1.1%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 2039 | Liber Liao | 49.84 | 8 | B Min | BB: 49.29 (+0.55s | 1.1%) | West Coast Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 2040 | Ronan Kendall | 49.84 | 10 | B Min | BB: 49.29 (+0.55s | 1.1%) | South Florida Aquatic Club | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 2041 | Mason Beck | 49.85 | 10 | B Min | BB: 49.29 (+0.56s | 1.1%) | Butte YMCA Swim Club | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 2042 | Adam Salhia | 49.85 | 10 | B Min | BB: 49.29 (+0.56s | 1.1%) | Sporting Jax Aquatic Club | 05/22/2026 | EAJ Mayhem 2026 | |
| 2043 | Jason Jang-Gutterman | 49.85 | 9 | B Min | BB: 49.29 (+0.56s | 1.1%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 2044 | Haley Garcia | 49.86 | 10 | B Min | BB: 49.29 (+0.57s | 1.1%) | Eagle Aquatics | 06/06/2026 | 18th Annual LC NPB Summer Kickoff | |
| 2045 | Weibo Gao | 49.86 | 10 | B Min | BB: 49.29 (+0.57s | 1.1%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 2046 | Hank Morse | 49.87 | 9 | B Min | BB: 49.29 (+0.58s | 1.2%) | C.M. Gatton Beaumont YMCA | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 2047 | Max Peterson | 49.88 | 10 | B Min | BB: 49.29 (+0.59s | 1.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 2048 | Bradley Mascio | 49.88 | 9 | B Min | BB: 49.29 (+0.59s | 1.2%) | Greater Latrobe Aqua Club | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 2049 | Kai Vo | 49.88 | 9 | B Min | BB: 49.29 (+0.59s | 1.2%) | Splash Aquatics | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | |
| 2050 | Aiden Liu | 49.89 | 10 | B Min | BB: 49.29 (+0.60s | 1.2%) | Carolina Aquatic Team | 04/25/2026 | 2026 NCAC Quad Meet | |
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.