USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Brendon Kim | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1952 | Eli Delman | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Central Ohio Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1953 | Leo Blubaugh | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1954 | Stuart Shillington | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 1955 | Noah Moriarty | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Robert A Long | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 1956 | Emmett Tourney | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Red Wing Swim Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1957 | Alex Liu | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 1958 | Kevin Ward | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | YMCA of Concord Swim Team | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 1959 | Ryan West | 33.20 | 9 | BB Min | A: 31.09 (+2.11s | 6.4%) | Retriever Aquatic Club | 09/21/2025 | RAC Mini Splash 2025 | |
| 1960 | Aiden Harrington | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Royal Swimming | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 1961 | Easton Mower | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1962 | Anderson Cox | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Lynchburg YMCA Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1963 | Charles Tan | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Eastside Aquatic Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1964 | Bryant Arguello | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | City of Miami Parks Swim Team | 06/20/2026 | NMST BMHG June Summer Invite 26 (SCY) Cop | |
| 1965 | William Bradley | 33.20 | 9 | BB Min | A: 31.09 (+2.11s | 6.4%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1966 | Parker Ng | 33.20 | 8 | BB Min | A: 31.09 (+2.11s | 6.4%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 1967 | Archer Tornow | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1968 | Hudson Austin | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Bolles School Sharks | 01/30/2026 | 2026 BSS February Classic Copied | |
| 1969 | Jun Reinhardt | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | Brooklyn Stingrays | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1970 | Derek Folk | 33.21 | 9 | BB Min | A: 31.09 (+2.12s | 6.4%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 1971 | James Ballard | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | Rochester Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1972 | Owen Matarazzo | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1973 | Kingston Smith | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 1974 | Levi Swift | 33.21 | 8 | BB Min | A: 31.09 (+2.12s | 6.4%) | Northwest Georgia Aquatics | 01/09/2026 | 2026 MCC January Invite | |
| 1975 | Wesley Lai | 33.22 | 10 | BB Min | A: 31.09 (+2.13s | 6.4%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1976 | Lowen Kiss | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Central Catholic High School | 02/15/2025 | 2025 OR HS 6a 4 | |
| 1977 | August Yarnelle | 33.23 | 9 | BB Min | A: 31.09 (+2.14s | 6.4%) | Potomac Marlins | 02/20/2026 | 2026 FXFX Forty Niner | |
| 1978 | Francisco Verdugo | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | |
| 1979 | Ivan Bondar | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Matchpoint Nyc | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 1980 | Keegan Dahlman | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 1981 | Elliott Atwood | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Chelsea Aquatic Club | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 1982 | Ivan Zhao | 33.23 | 8 | BB Min | A: 31.09 (+2.14s | 6.4%) | Southwest Stars Swim Club | 01/09/2026 | 2026 FAST Polar Plunge | |
| 1983 | Patrick Deegan | 33.24 | 10 | BB Min | A: 31.09 (+2.15s | 6.5%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 1984 | Joshua Margolius | 33.24 | 9 | BB Min | A: 31.09 (+2.15s | 6.5%) | Rivertown Aquatics | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 1985 | Rishan Shah | 33.24 | 9 | BB Min | A: 31.09 (+2.15s | 6.5%) | United Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1986 | Easton Hardman | 33.24 | 9 | BB Min | A: 31.09 (+2.15s | 6.5%) | Piranha Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1987 | Jackson Scheel | 33.24 | 9 | BB Min | A: 31.09 (+2.15s | 6.5%) | Valley Shore YMCA Marlins | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1988 | George Laconte | 33.25 | 9 | BB Min | A: 31.09 (+2.16s | 6.5%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 1989 | Rylan Brill | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1990 | Andrew Branach | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | Bergen Barracudas Swim Team | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 1991 | Joel Mccormack | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | Condors Swim Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 1992 | Maochen Tan | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1993 | Akihito Higgins | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | |
| 1994 | Kurt Ramos | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 1995 | Walter Lientz | 33.26 | 9 | BB Min | A: 31.09 (+2.17s | 6.5%) | Occoquan Swimming | 12/11/2025 | 2025 East Coast WinterFest | |
| 1996 | Taimin McGowan | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Spring Swim Team | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1997 | Carter English | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Farmington Family YMCA Stingra | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 1998 | Ryan Poyser-Spring | 33.26 | 9 | BB Min | A: 31.09 (+2.17s | 6.5%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 1999 | Henry Fredericks | 33.26 | 9 | BB Min | A: 31.09 (+2.17s | 6.5%) | COSA Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 2000 | Mason Suniega | 33.27 | 10 | BB Min | A: 31.09 (+2.18s | 6.6%) | Unattached | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
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.