USA Boys 10 & under - 50 Y Breast
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 | Joohwan Kim | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 3952 | Henry Fransen Weinberger | 52.40 | 8 | B Min | BB: 47.69 (+4.71s | 9.0%) | Minnetonka Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3953 | Gunner Gessner | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 3954 | Chase Blankenhorn | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Rima United | 02/28/2026 | 2026 NE NSSC Specialty At BC | |
| 3955 | William Pien | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Drop Aquatics | 12/06/2025 | SLA Holiday Blast | |
| 3956 | Elliott Horn | 52.40 | 9 | B Min | BB: 47.69 (+4.71s | 9.0%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 3957 | Brandon Brooks | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 3958 | Louie Carricarte | 52.41 | 6 | B Min | BB: 47.69 (+4.72s | 9.0%) | Riviera Prep (Miami) | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 3959 | Ethan Li | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Trident Aquatic Club | 11/01/2025 | 2025 MR TRI Fall SCY Invitational | |
| 3960 | Oskar Davidsen | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 3961 | Lucas Sussman | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 3962 | Logan Ma | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | East Bay Silver Dolphins | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 3963 | Alexander Evans | 52.41 | 8 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 3964 | Julian Wolf | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 3965 | Jack Retzlaff | 52.41 | 8 | B Min | BB: 47.69 (+4.72s | 9.0%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 3966 | Ender Skelton | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 3967 | Murphy Oneill Butler | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Wind N Sea Swim Team | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 3968 | Rhett Szymanski | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 3969 | Jeremiah Veloso | 52.42 | 10 | B Min | BB: 47.69 (+4.73s | 9.0%) | Swim Streamline at Northampton | 11/02/2024 | SSAN 2024 Fall Invite | |
| 3970 | Chinmay Joshi | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 3971 | Harrison Green | 52.43 | 10 | B Min | BB: 47.69 (+4.74s | 9.0%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 3972 | Adam Azzam | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 3973 | Giuseppe Costa | 52.43 | 7 | B Min | BB: 47.69 (+4.74s | 9.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 3974 | Evan Brown | 52.43 | 8 | B Min | BB: 47.69 (+4.74s | 9.0%) | One Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 3975 | Andrew McDonald | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Mecklenburg Swim Association | 11/07/2025 | 2025 EAC Cornucopia Classic | |
| 3976 | John Knudsen | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Puget Sound Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 3977 | Grant Soder | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 3978 | Mateo Lopez | 52.45 | 8 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 3979 | Rhett Hofmeister | 52.45 | 9 | B Min | BB: 47.69 (+4.76s | 9.1%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 3980 | Lincoln Pugh | 52.45 | 10 | B Min | BB: 47.69 (+4.76s | 9.1%) | South Shore YMCA Strypers | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 3981 | Oliver Ng | 52.45 | 9 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quince Orchard Swim Academy | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3982 | Alexander Toohey | 52.46 | 10 | B Min | BB: 47.69 (+4.77s | 9.1%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 3983 | David Shlalashvili | 52.46 | 7 | B Min | BB: 47.69 (+4.77s | 9.1%) | Cyclones Swim Team | 06/06/2026 | NMST June Invite 26 | |
| 3984 | River Nester | 52.46 | 9 | B Min | BB: 47.69 (+4.77s | 9.1%) | Martinsville Marlins | 03/07/2026 | PYSA Champs 2026 | |
| 3985 | Zachary Tsang | 52.46 | 9 | B Min | BB: 47.69 (+4.77s | 9.1%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | |
| 3986 | Knox Miklowcic | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Jcc Sea Serpents | 12/07/2025 | 2025 NE NSSC December 7 SJP | |
| 3987 | Clayton Du | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 3988 | Sheldon Stensrud | 52.47 | 10 | B Min | BB: 47.69 (+4.78s | 9.1%) | Alamo Area Aquatic Association | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 3989 | Gregory Dusablon | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Life Time Fitness New York Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 3990 | Levi Jacobs | 52.47 | 8 | B Min | BB: 47.69 (+4.78s | 9.1%) | Hickam Hurricanes | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 3991 | Hunter Posey | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Machine Aquatics | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 3992 | Nil Shamshurin | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bure-Aqua Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3993 | Eric Wei | 52.48 | 9 | B Min | BB: 47.69 (+4.79s | 9.1%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 3994 | Gabriel Keeling | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 3995 | Kai Johnson | 52.49 | 10 | B Min | BB: 47.69 (+4.80s | 9.1%) | Tide Swimming | 09/20/2025 | 2025 TIDE King Neptune Meet | |
| 3996 | Hugo Lee | 52.50 | 10 | B Min | BB: 47.69 (+4.81s | 9.2%) | Flushing YMCA | 11/14/2025 | 2025 MR FLY Big Apple Classic Invitational | |
| 3997 | Tan Dinh | 52.50 | 7 | B Min | BB: 47.69 (+4.81s | 9.2%) | Fairfax Foxes Swimming | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 3998 | Elijah Wieczorek | 52.50 | 10 | B Min | BB: 47.69 (+4.81s | 9.2%) | Canon City Piranhas | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 3999 | Lucas Ramos | 52.50 | 6 | B Min | BB: 47.69 (+4.81s | 9.2%) | New York Sharks Aquatics | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 4000 | Nolan Bollinger | 52.50 | 10 | B Min | BB: 47.69 (+4.81s | 9.2%) | Souderton Seahawks | 04/11/2025 | 2025 GTSA TYR Spring 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.