USA Girls 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Aubree Isaacs | 40.08 | 9 | BB Min | A: 36.59 (+3.49s | 8.7%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1952 | Mackenzie Elias-Zhang | 40.09 | 9 | BB Min | A: 36.59 (+3.50s | 8.7%) | Revolution Swim Club | 07/31/2026 | 2026 NE MST ESC Summer Championship | |
| 1953 | Elisabeth MacPhail | 40.09 | 8 | BB Min | A: 36.59 (+3.50s | 8.7%) | Edina Swim Club | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | |
| 1954 | Allison Sanchez | 40.09 | 9 | BB Min | A: 36.59 (+3.50s | 8.7%) | Pueblo Swim Club | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | |
| 1955 | Josephine Simmons | 40.09 | 9 | BB Min | A: 36.59 (+3.50s | 8.7%) | SwimRVA | 05/15/2026 | NOVA Spring Splash | |
| 1956 | Quinn Von Ruden | 40.09 | 9 | BB Min | A: 36.59 (+3.50s | 8.7%) | Barracuda Aquatics Club | 07/11/2026 | 2026 MN BAC Last Chance Invitational | |
| 1957 | Brooklyn Doherty | 40.09 | 9 | BB Min | A: 36.59 (+3.50s | 8.7%) | Bolles School Sharks | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 1958 | Isabelle Grossman | 40.10 | 10 | BB Min | A: 36.59 (+3.51s | 8.8%) | North Suburban Aquatic Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 1959 | Emily Angerer | 40.10 | 8 | BB Min | A: 36.59 (+3.51s | 8.8%) | Auburn Aquatics | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 1960 | Chloe Laub | 40.10 | 10 | BB Min | A: 36.59 (+3.51s | 8.8%) | Commonwealth Swimming | 05/01/2026 | 2026 NE CS Spring Fling | |
| 1961 | Samaira Koul | 40.10 | 10 | BB Min | A: 36.59 (+3.51s | 8.8%) | DeAnza Cupertino Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1962 | Lyra Mertens-Hall | 40.10 | 10 | BB Min | A: 36.59 (+3.51s | 8.8%) | Multnomah Athletic Club | 07/04/2026 | Pendleton Open 2026 | |
| 1963 | Clara Bertucci | 40.10 | 10 | BB Min | A: 36.59 (+3.51s | 8.8%) | Hurricanes Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 1964 | Virginia Iannuzzi | 40.11 | 10 | BB Min | A: 36.59 (+3.52s | 8.8%) | Team Charlotte Swimming | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 1965 | Sydney Smith | 40.11 | 9 | BB Min | A: 36.59 (+3.52s | 8.8%) | Walla Walla Swim Club | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 1966 | Isabella Lundgaard | 40.11 | 10 | BB Min | A: 36.59 (+3.52s | 8.8%) | Kentucky Aquatics | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 1967 | Vail Niemann | 40.11 | 9 | BB Min | A: 36.59 (+3.52s | 8.8%) | Team Sopris Swimming | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 1968 | Penelope Arambula | 40.11 | 10 | BB Min | A: 36.59 (+3.52s | 8.8%) | Capital of Texas Aquatics | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 1969 | Ahana Desai | 40.11 | 10 | BB Min | A: 36.59 (+3.52s | 8.8%) | Episcopal AmberJax | 05/22/2026 | EAJ Mayhem 2026 | |
| 1970 | Zelda McConaghy-Holzer | 40.13 | 10 | BB Min | A: 36.59 (+3.54s | 8.8%) | Unattached | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 1971 | Sullivan David | 40.13 | 10 | BB Min | A: 36.59 (+3.54s | 8.8%) | Lakeshore Swim Club | 07/10/2026 | 2026 OH NE LC Regional Champs | |
| 1972 | Lucia Cirigliano | 40.13 | 10 | BB Min | A: 36.59 (+3.54s | 8.8%) | Old North State Aquatics | 06/25/2026 | ONSA Independence Invitational Copied | |
| 1973 | Serena Kindel | 40.14 | 10 | BB Min | A: 36.59 (+3.55s | 8.8%) | Mecklenburg Swim Association | 04/25/2026 | 2026 MSA April LC Meet | |
| 1974 | Margaret Price | 40.14 | 8 | BB Min | A: 36.59 (+3.55s | 8.8%) | Stafford Aquatics Team | 05/01/2026 | 2026 Helen Wang Sunflower Classic | |
| 1975 | McClaine Furr | 40.14 | 9 | BB Min | A: 36.59 (+3.55s | 8.8%) | Fast Fins Elite | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 1976 | Corwin Falck | 40.14 | 10 | BB Min | A: 36.59 (+3.55s | 8.8%) | Marlins Of Raleigh | 05/15/2026 | 2026 NCAC Meet On The Hill | |
| 1977 | Brooklyn Hubbard | 40.14 | 9 | BB Min | A: 36.59 (+3.55s | 8.8%) | North Jeffco Swim Team | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 1978 | Stella Deng | 40.14 | 9 | BB Min | A: 36.59 (+3.55s | 8.8%) | West Coast Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1979 | Sofia Gahan | 40.14 | 9 | BB Min | A: 36.59 (+3.55s | 8.8%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 1980 | Hannah Bauler | 40.15 | 9 | BB Min | A: 36.59 (+3.56s | 8.9%) | Alamo Heights Aquatic Club ? A | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1981 | Alysia Davis | 40.15 | 10 | BB Min | A: 36.59 (+3.56s | 8.9%) | Tampa Y Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 1982 | Hattie Haas | 40.15 | 10 | BB Min | A: 36.59 (+3.56s | 8.9%) | Life Time Swim Missouri | 06/26/2026 | 88th CSP Summer Invitational | |
| 1983 | Alysa Wu | 40.16 | 10 | BB Min | A: 36.59 (+3.57s | 8.9%) | Auburn Aquatics | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 1984 | Antonia Li | 40.16 | 10 | BB Min | A: 36.59 (+3.57s | 8.9%) | Jcc Sea Serpents | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 1985 | Hadley Gage | 40.16 | 10 | BB Min | A: 36.59 (+3.57s | 8.9%) | Auburn Aquatics | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 1986 | Finley Bloomstine | 40.17 | 10 | BB Min | A: 36.59 (+3.58s | 8.9%) | Swim Melbourne | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 1987 | Evelyn Bradford | 40.18 | 7 | BB Min | A: 36.59 (+3.59s | 8.9%) | New Wave Swim Team | 07/24/2026 | 2026 TAC TITANS Closeout Meet | |
| 1988 | McKenna Gill | 40.18 | 10 | BB Min | A: 36.59 (+3.59s | 8.9%) | H2okie Aquatics | 06/13/2026 | 2026 BSC Model City Invitational | |
| 1989 | Neala Nieto | 40.18 | 10 | BB Min | A: 36.59 (+3.59s | 8.9%) | Northeast Family YMCA | 05/15/2026 | 2026 Triton Summer Launch | |
| 1990 | Sydney Lawrence | 40.18 | 10 | BB Min | A: 36.59 (+3.59s | 8.9%) | River City Aquatics | 07/23/2026 | 2026 Ozark Long Course Champs Copied | |
| 1991 | Madeline Staton | 40.19 | 10 | BB Min | A: 36.59 (+3.60s | 9.0%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 1992 | James Botterill | 40.20 | 9 | BB Min | A: 36.59 (+3.61s | 9.0%) | Central Minnesota Aquatics | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 1993 | Noelle Pan | 40.20 | 9 | BB Min | A: 36.59 (+3.61s | 9.0%) | Nitro Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1994 | Evangelina Sanchez | 40.20 | 9 | BB Min | A: 36.59 (+3.61s | 9.0%) | El Paso Aqua Posse | 07/23/2026 | 2026 BD Long Course Championship | |
| 1995 | Evelyn Bondurant | 40.21 | 9 | BB Min | A: 36.59 (+3.62s | 9.0%) | San Antonio Wave | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1996 | Alexus Daniels | 40.21 | 10 | BB Min | A: 36.59 (+3.62s | 9.0%) | North Texas Nadadores | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1997 | Sunny Schwarts | 40.21 | 9 | BB Min | A: 36.59 (+3.62s | 9.0%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 1998 | Nora Liano Santos | 40.22 | 8 | BB Min | A: 36.59 (+3.63s | 9.0%) | EL Paso Border Land Swim Team | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 1999 | Varvara Nedelko | 40.23 | 8 | BB Min | A: 36.59 (+3.64s | 9.0%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 2000 | Caroline Sierra | 40.23 | 10 | BB Min | A: 36.59 (+3.64s | 9.0%) | Tnt Swimming | 04/18/2026 | 2026 CMSA First Chance LCM | |
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.