USA Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3951 | Landon Marshall | 48.26 | 9 | B: 43.89 (+4.37s | 9.1%) | Lake Erie Silver Dolphins | 06/12/2025 | Holtrey Summer Classic | ||
| 3952 | Guy McCurdy | 48.26 | 9 | B: 43.89 (+4.37s | 9.1%) | Treasure Coast Aquatics | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | ||
| 3953 | Rutianyi Han | 48.26 | 9 | B: 43.89 (+4.37s | 9.1%) | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | ||
| 3954 | Cruz Smith | 48.27 | 9 | B: 43.89 (+4.38s | 9.1%) | SwimRise Aquatics | 05/22/2026 | EAJ Mayhem 2026 | ||
| 3955 | Hayes Reinhardt | 48.27 | 9 | B: 43.89 (+4.38s | 9.1%) | Highlands Ranch Aquatics | 06/26/2026 | 2026 CO Zone 2 District Meet DU | ||
| 3956 | Gabriel Fabiano | 48.27 | 9 | B: 43.89 (+4.38s | 9.1%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | ||
| 3957 | James Litton | 48.27 | 7 | B: 43.89 (+4.38s | 9.1%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | ||
| 3958 | Levi Fusselman | 48.28 | 9 | B: 43.89 (+4.39s | 9.1%) | Portneuf Valley Swim Team | 07/18/2025 | 2025 LCM Summer Championships | ||
| 3959 | Corbin Lybrand | 48.28 | 8 | B: 43.89 (+4.39s | 9.1%) | Unattached | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | ||
| 3960 | Luke DiMarco | 48.28 | 8 | B: 43.89 (+4.39s | 9.1%) | Mystic Hammerheads | 05/16/2026 | 2026 NE KCY Invitational | ||
| 3961 | Zayne Grieshaber | 48.28 | 9 | B: 43.89 (+4.39s | 9.1%) | Spokane Waves Aquatic Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | ||
| 3962 | Wesley Piggot | 48.29 | 7 | B: 43.89 (+4.40s | 9.1%) | Commonwealth Swimming | 05/16/2026 | 2026 NE CS Spring Fever | ||
| 3963 | Cooper Stevens | 48.30 | 8 | B: 43.89 (+4.41s | 9.1%) | Saint Petersburg Aquatics | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | ||
| 3964 | Peter Pierce | 48.31 | 10 | B: 43.89 (+4.42s | 9.1%) | Renegade Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 3965 | Beckett Shuberg | 48.31 | 8 | B: 43.89 (+4.42s | 9.1%) | Cumming Waves | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | ||
| 3966 | Yao Yang | 48.31 | 8 | B: 43.89 (+4.42s | 9.1%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 3967 | Tayo Murdach | 48.31 | 7 | B: 43.89 (+4.42s | 9.1%) | Port Angeles Swim Club | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 3968 | Aidan Hodges | 48.31 | 9 | B: 43.89 (+4.42s | 9.1%) | Unattached | 04/17/2026 | 1st Annual SAW Vs Streamline Fiesta Showdown | ||
| 3969 | Albert Shifrin | 48.32 | 10 | B: 43.89 (+4.43s | 9.2%) | Mjcc Stingrays | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 3970 | Joel Kerley | 48.33 | 10 | B: 43.89 (+4.44s | 9.2%) | Klamath Basin Aquatics | 06/19/2026 | Prineville Invitational Swim Meet | ||
| 3971 | Leo Bednarski | 48.34 | 9 | B: 43.89 (+4.45s | 9.2%) | North Jeffco Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 3972 | Ellison McLaughlin | 48.34 | 10 | B: 43.89 (+4.45s | 9.2%) | Greater Pensacola Aquatic Club | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | ||
| 3973 | Brayden Chen | 48.34 | 9 | B: 43.89 (+4.45s | 9.2%) | Mei\\\\\\'s Typhoons Swimming Club | 05/15/2026 | 2026 NE YNS May Specialty Meet | ||
| 3974 | Theodore Gramer | 48.34 | 10 | B: 43.89 (+4.45s | 9.2%) | SwimTLC-Parker Phenomena Swim | 04/26/2025 | 2025 CO FST Spring LC Fever | ||
| 3975 | Ronin Coleman | 48.34 | 8 | B: 43.89 (+4.45s | 9.2%) | Occoquan Swimming | 05/01/2026 | Speedo Spring Splash | ||
| 3976 | Eli Jiang | 48.34 | 9 | B: 43.89 (+4.45s | 9.2%) | Lakeside Swim Team | 07/09/2026 | 46th Annual Seahawk Invitational | ||
| 3977 | Kayson Stephens | 48.35 | 10 | B: 43.89 (+4.46s | 9.2%) | Seastars Aquatics | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | ||
| 3978 | Nolan Lucariello | 48.36 | 10 | B: 43.89 (+4.47s | 9.2%) | Prince William Swim Club | 05/17/2024 | HNVR Storm Surge 2024 | ||
| 3979 | Grayson Loew | 48.37 | 8 | B: 43.89 (+4.48s | 9.3%) | Sea Devils | 06/20/2026 | 2026 MN TUNA Summer Splash | ||
| 3980 | David Shlalashvili | 48.37 | 7 | B: 43.89 (+4.48s | 9.3%) | Cyclones Swim Team | 04/18/2026 | SCS Under The Sun Invitational | ||
| 3981 | Isaiah Connolly | 48.37 | 8 | B: 43.89 (+4.48s | 9.3%) | Nocatee Bluetide Swim Team | 05/02/2026 | SwimRise IMX IMR Challenge | ||
| 3982 | Lucas Wilkes | 48.38 | 10 | B: 43.89 (+4.49s | 9.3%) | Sea Devils | 06/27/2026 | 2026 STAR Summer Splash Invite | ||
| 3983 | Christian Gross | 48.38 | 10 | B: 43.89 (+4.49s | 9.3%) | Annapolis Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | ||
| 3984 | Charlie Oconnor | 48.39 | 10 | B: 43.89 (+4.50s | 9.3%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | ||
| 3985 | Bradley Hammel | 48.39 | 10 | B: 43.89 (+4.50s | 9.3%) | Heritage Aquatic Team | 05/01/2026 | Jesse Vasallo Swimming Invitational | ||
| 3986 | Holden Benke | 48.39 | 9 | B: 43.89 (+4.50s | 9.3%) | Mission Valley YMCA | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 3987 | Everett Carney | 48.39 | 10 | B: 43.89 (+4.50s | 9.3%) | Smac | 06/21/2024 | 28th Annual SMAC Summer Classic | ||
| 3988 | Oleg Lomakin | 48.40 | 7 | B: 43.89 (+4.51s | 9.3%) | Florida Atlantic Aquatics | 06/06/2026 | 18th Annual LC NPB Summer Kickoff | ||
| 3989 | Reid Hilk | 48.40 | 10 | B: 43.89 (+4.51s | 9.3%) | Aquajets Swim Team | 06/05/2026 | 2026 MN NSAC Summer Invite | ||
| 3990 | Harley Slowik | 48.40 | 8 | B: 43.89 (+4.51s | 9.3%) | Bainbridge Island Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 3991 | Matthew Parish | 48.41 | 8 | B: 43.89 (+4.52s | 9.3%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | ||
| 3992 | Anay Agarwal | 48.42 | 9 | B: 43.89 (+4.53s | 9.4%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 3993 | Praan Hanwong | 48.42 | 10 | B: 43.89 (+4.53s | 9.4%) | Circle C Select Swim Team | 04/25/2026 | 2026 ST CCSS LC Unclassified | ||
| 3994 | Nathaniel Hernandez Gomez | 48.42 | 10 | B: 43.89 (+4.53s | 9.4%) | Central Coast Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 3995 | Mykhailo Vinnytskyi | 48.43 | 10 | B: 43.89 (+4.54s | 9.4%) | Boerne Elite Aquatics | 05/31/2025 | 2025 ST HPAC Sunshine Splash | ||
| 3996 | Dawson Kelley | 48.43 | 10 | B: 43.89 (+4.54s | 9.4%) | Great Mills Aquatic Club | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | ||
| 3997 | Calvin Cook | 48.44 | 10 | B: 43.89 (+4.55s | 9.4%) | Swim Tampa Aquatics | 04/11/2026 | 2026 Stingrays Early LCM Season Opener | ||
| 3998 | Matthew Nguyen | 48.44 | 9 | B: 43.89 (+4.55s | 9.4%) | Arctic Aquatics | 06/26/2026 | 2026 NE MST ESC June Memorial | ||
| 3999 | Rexx Yu | 48.45 | 8 | B: 43.89 (+4.56s | 9.4%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 4000 | Ethan Tan | 48.46 | 9 | B: 43.89 (+4.57s | 9.4%) | Alamo Area Aquatic Association | 04/10/2026 | Blossom Into Spring 5 | ||
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.