Southern Zone Zone Girls 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Zone.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 | Autumn Long | 48.24 | 10 | B Min | BB: 43.29 (+4.95s | 10.3%) | Alamo Area Aquatic Association | 12/10/2025 | 2025 ST AAAA NS December Race Night | |
| 2002 | Parker Michael | 48.25 | 9 | B Min | BB: 43.29 (+4.96s | 10.3%) | SwimMAC Carolina | 09/27/2025 | 2025 NC SwimMac Blue Orange Intrasquad | |
| 2003 | Esther Brookhart | 48.25 | 9 | B Min | BB: 43.29 (+4.96s | 10.3%) | Raleigh Swimming Association | 01/16/2026 | 2026 RSA Winter Tri | |
| 2004 | Jackie Alfaro | 48.25 | 10 | B Min | BB: 43.29 (+4.96s | 10.3%) | North Palm Beach Swim Club | 11/21/2025 | 2025 NPB Turkey Invite | |
| 2005 | Amelia Gamboa | 48.25 | 9 | B Min | BB: 43.29 (+4.96s | 10.3%) | Houston Waves Swim Club | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 2006 | Ayano Silberberg | 48.25 | 10 | B Min | BB: 43.29 (+4.96s | 10.3%) | Austin Swim Club | 11/15/2025 | 2025 ST ASC Turkey Bash | |
| 2007 | Naomi Gore | 48.26 | 9 | B Min | BB: 43.29 (+4.97s | 10.3%) | Raleigh Swimming Association | 02/14/2026 | 2026 CAT Valentine Splash | |
| 2008 | Adeline Green | 48.26 | 9 | B Min | BB: 43.29 (+4.97s | 10.3%) | Tac Titans | 01/11/2026 | TAC TITANS January Intrasquad Meet | |
| 2009 | Hailey Harmon | 48.27 | 8 | B Min | BB: 43.29 (+4.98s | 10.3%) | Apollo Beach Swim Team | 10/10/2025 | 2025 GTSA TYR Swim Classic | |
| 2010 | Olivia Francis | 48.28 | 10 | B Min | BB: 43.29 (+4.99s | 10.3%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 2011 | Katherine Fu | 48.28 | 9 | B Min | BB: 43.29 (+4.99s | 10.3%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 2012 | Emilia Raimondi | 48.29 | 8 | B Min | BB: 43.29 (+5.00s | 10.4%) | Pompano Beach Piranhas | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 2013 | Candela Santos Uribe | 48.30 | 8 | B Min | BB: 43.29 (+5.01s | 10.4%) | Life Time Houston Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 2014 | Noelle Rosenthal | 48.30 | 9 | B Min | BB: 43.29 (+5.01s | 10.4%) | Raleigh Swimming Association | 01/16/2026 | 2026 RSA Winter Tri | |
| 2015 | Heymi Nakfour | 48.30 | 10 | B Min | BB: 43.29 (+5.01s | 10.4%) | YMCA of Central Florida | 10/25/2025 | 2025 Halloween Spooktacular | |
| 2016 | Ayun Cho | 48.31 | 9 | B Min | BB: 43.29 (+5.02s | 10.4%) | Prattville Swim League | 09/20/2025 | OST Fall Invite | |
| 2017 | Scout Hammer | 48.32 | 9 | B Min | BB: 43.29 (+5.03s | 10.4%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 2018 | Olivia Lancaster | 48.32 | 8 | B Min | BB: 43.29 (+5.03s | 10.4%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 2019 | Samantha Angel | 48.32 | 8 | B Min | BB: 43.29 (+5.03s | 10.4%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 2020 | Hadley Burns | 48.33 | 9 | B Min | BB: 43.29 (+5.04s | 10.4%) | Granite Falls Makos | 09/27/2025 | 2025 RMY Fall Invitational | |
| 2021 | Josephina Ciminillo | 48.33 | 9 | B Min | BB: 43.29 (+5.04s | 10.4%) | Gator Swim Club | 01/09/2026 | 2026 FAST Polar Plunge | |
| 2022 | Moriah Longval | 48.34 | 10 | B: 38.79 (+9.55s | 19.8%) | Tampa Bay Aquatics | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | ||
| 2023 | Natalie Marrero | 48.34 | 9 | B Min | BB: 43.29 (+5.05s | 10.4%) | Columbus Aquatic Club | 09/20/2025 | OST Fall Invite | |
| 2024 | Caroline Bohlander | 48.35 | 9 | B Min | BB: 43.29 (+5.06s | 10.5%) | Swim Tampa Aquatics | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 2025 | Beatriz Motta | 48.35 | 10 | B Min | BB: 43.29 (+5.06s | 10.5%) | YMCA of Central Florida | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 2026 | Mackenzie Tompkins | 48.35 | 8 | B Min | BB: 43.29 (+5.06s | 10.5%) | Austin Swim Club | 10/10/2025 | 2025 ST ASC Bob Thompson Open | |
| 2027 | Isabella Hatami | 48.35 | 9 | B Min | BB: 43.29 (+5.06s | 10.5%) | South Shore Sails | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2028 | Isla Rae | 48.36 | 8 | B Min | BB: 43.29 (+5.07s | 10.5%) | Hydro Swim Club | 10/10/2025 | 2025 October Classic | |
| 2029 | Teagan Romano | 48.36 | 9 | B Min | BB: 43.29 (+5.07s | 10.5%) | Makos Aquatics Club of Gainesv | 02/22/2025 | Small Team Championships | |
| 2030 | Haiden Rice | 48.36 | 10 | B Min | BB: 43.29 (+5.07s | 10.5%) | Circle C Select Swim Team | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 2031 | Kate Kostyuk | 48.36 | 7 | B Min | BB: 43.29 (+5.07s | 10.5%) | Patriot Aquatics | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2032 | Emma Myers | 48.36 | 10 | B Min | BB: 43.29 (+5.07s | 10.5%) | Cleveland Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 2033 | Gabriella Vallerotto Quiros | 48.37 | 9 | B Min | BB: 43.29 (+5.08s | 10.5%) | Bolles School Sharks | 09/27/2025 | EAJ Speedo September Meet 2025 | |
| 2034 | Chloe Lin | 48.38 | 9 | B Min | BB: 43.29 (+5.09s | 10.5%) | Nitro Swimming | 02/01/2025 | 2025 ST NTRO Fiery Flames Meet | |
| 2035 | Valentina Brito | 48.38 | 9 | B Min | BB: 43.29 (+5.09s | 10.5%) | YMCA of Central Florida | 10/27/2024 | 2024 Halloween Spooktacular | |
| 2036 | Isabela Malespin | 48.38 | 7 | B Min | BB: 43.29 (+5.09s | 10.5%) | Tampa Elite Aquatics | 09/06/2024 | 2024 KAH20 Coach Kelley Allen Memoria Meetl | |
| 2037 | Ava Pruden | 48.38 | 8 | B Min | BB: 43.29 (+5.09s | 10.5%) | Episcopal AmberJax | 11/15/2025 | EAJ Fall Harvest 2025 | |
| 2038 | Audrey Warrington | 48.38 | 9 | B Min | BB: 43.29 (+5.09s | 10.5%) | Alamo Area Aquatic Association | 10/24/2025 | 2025 ST AAAA NS Spooky Splash | |
| 2039 | Isabelle Chilson | 48.38 | 8 | B Min | BB: 43.29 (+5.09s | 10.5%) | Sun City Swimming | 12/07/2025 | 2025 BD Del Norte #3 | |
| 2040 | Vivienne Xian | 48.40 | 9 | B Min | BB: 43.29 (+5.11s | 10.6%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2041 | Nora Eason | 48.40 | 9 | B Min | BB: 43.29 (+5.11s | 10.6%) | Memphis Tiger Swimming | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 2042 | Sof Garcia de Albizu Iba | 48.41 | 9 | B Min | BB: 43.29 (+5.12s | 10.6%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 2043 | Georgia Richards | 48.41 | 8 | B Min | BB: 43.29 (+5.12s | 10.6%) | Bolles School Sharks | 01/16/2026 | 2026 Pentathlon | |
| 2044 | Rebecca Lowther | 48.41 | 8 | B Min | BB: 43.29 (+5.12s | 10.6%) | YMCA of the Triangle Area Swim | 12/05/2025 | 2025 TYDE Winter Championship | |
| 2045 | Jameson Garrett | 48.42 | 7 | B Min | BB: 43.29 (+5.13s | 10.6%) | Area Tallahassee Aquatic Club | 10/18/2025 | ATAC Fall Invite | |
| 2046 | Dylan Freiberg | 48.42 | 9 | B Min | BB: 43.29 (+5.13s | 10.6%) | Laker Swim | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 2047 | Sawyer Nichols | 48.43 | 9 | B Min | BB: 43.29 (+5.14s | 10.6%) | Life Time Southeast | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 2048 | Riley Blaser | 48.44 | 9 | B Min | BB: 43.29 (+5.15s | 10.6%) | St. Augustine Cyclones | 11/01/2025 | 2025 SwimRise Fall Festival | |
| 2049 | Amelia Akers | 48.44 | 7 | B Min | BB: 43.29 (+5.15s | 10.6%) | New Wave Swim Team | 11/01/2025 | WAVE TA NSEA TRiMeet 2025 | |
| 2050 | June Hery | 48.46 | 8 | B Min | BB: 43.29 (+5.17s | 10.7%) | Sarasota Sharks | 12/13/2025 | 2025 T2 Candy Cane 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.